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1 g Precision Calibration Weight Knob Polished Stainless Steel OIML E1, 0.01 mg Tolerance - KERN

Product information "1 g Precision Calibration Weight Knob Polished Stainless Steel OIML E1, 0.01 mg Tolerance - KERN"

Take advantage of precise, certified calibration with the combination of OIML class E1 accuracy and a polished stainless steel finish for reliable routine checks; order directly via Metav Werkzeuge or consult our specialists for advice and recommended protective cases.

KERN 307-01 calibration weight — OIML Class E1, 1 g, polished stainless steel

The KERN 307-01 is a high-precision calibration weight in knob form, designed for use in metrology and quality assurance where smallest deviations must be reliably controlled

  • OIML class E1 certified
  • Nominal value 1 g
  • Polished stainless steel finish
  • Tolerance ±0.01 mg

Precision that supports reliable measurement results

This calibration weight is manufactured to OIML class E1 standards, providing an exact 1 g nominal mass with a tolerance of ±0.01 mg. Such specification ensures consistent reference values during routine calibration of high-precision balances, reducing measurement uncertainty and supporting reproducible results in laboratory and production environments. The high metrological class means smaller corrections and improved confidence in measurement chains.

Design that reduces handling errors and contamination

The knob-shaped form simplifies handling while limiting surface contact during placement on balances; the polished stainless steel construction offers a smooth, non-porous surface that is easy to clean and resists corrosion. These design choices minimise contamination and wear, which in turn preserves long-term stability of the reference mass. For storage and transport, a protective case is recommended to avoid scratches and airborne deposits that can affect readings.

Suitable use cases and operational advantages

Intended for calibration tasks, this reference weight supports internal checks, periodic verification and laboratory quality assurance workflows where smallest deviations matter. The compact knob form and polished finish make it suitable for analytical balances and precision scales used in testing, research or production control. Originating from Germany and supplied by a recognised brand, the component contributes to dependable measurement routines and straightforward integration into existing calibration procedures.

Contact Metav Werkzeuge in Emmerich for tailored advice on the KERN 307-01 and the recommended protective case; email info@metav-werkzeuge.com or call +49 2822 7131930 to discuss application-specific requirements

Technical data

  • Article number: 307
  • SKU: 307-01
  • GTIN: 4045761002661
  • Manufacturer: KERN
  • Origin country: DE

Numbers / Core technical data

  • Nominal mass: 1 g
  • Tolerance: 0.01 mg
  • Cylinder dimensions: 6×6 mm
  • ECLASS: 32120103
  • Commodity code (HS): 84239090

Special features / Design and materials

  • Material: polished stainless steel
  • Form: knob
  • OIML class: E1
  • Recommended accessory: protective case
  • Brand: KERN

FAQ

What accuracy class does this calibration weight comply with?
The KERN 307-01 complies with OIML class E1, providing the high accuracy required for fine calibrations and precise instrument checks.

What is the nominal value and tolerance of the weight?
The weight has a nominal value of 1 g with a tolerance of ±0.01 mg, suitable for high-precision reference use.

Which materials and design features support long-term stability?
Made from polished stainless steel in a knob design, the weight minimises handling contamination and is easy to clean, preserving mass stability over time.

Is a storage case necessary for this calibration weight?
A protective case is recommended for the 1 g reference weight to prevent scratches and contamination; Metav Werkzeuge offers suitable etuis as part of accessories.

Can this weight be used for analytical balance calibration?
Yes, the high metrological class and fine tolerance make it appropriate for calibration tasks on analytical balances and other precision measuring equipment.


Manufacturer: KERN — Germany; For purchase and product enquiries: Metav Werkzeuge, Emmerich am Rhein · info@metav-werkzeuge.com · +49 2822 7131930

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Blaues Kunststoff Etui für Einzelgewichte. Das Etui ist zylindrisch mit Rillen auf der Seite. Es sieht ein bisschen so aus wie eine Dose für Filme oder eine Regentonne in Miniatur.
1g-2g Plastic Case for Single Test Weights Button/Compact, For Class E2 - KERN

Benefit from a compact, durable plastic case that protects single calibration weights from 1 g to 2 g to accuracy class E2, ensuring organised storage and safe handling in the workshop or laboratory; order directly via Metav Werkzeuge or consult our team for application advice. KERN 317-020-400 Plastic case — protective storage for single calibration weights, 1 g–2 g (class E2) KERN 317-020-400 is a robust plastic enclosure designed for the safe storage and transport of single calibration weights in the compact/button format, optimised for precision environments. Protective plastic case for single weights Fits compact/button weights 1 g–2 g Suitable for accuracy class E2 Lightweight 20 g protective storage Secure storage that preserves calibration integrity The plastic case provides a compact and stable environment for individual calibration weights, reducing handling-related errors and contamination. Built for single-weight storage in the button/compact configuration, the enclosure keeps each weight separated and secured to prevent surface damage that could affect measurement accuracy. The case’s durable plastic construction offers a balance of impact resistance and low weight, making it suitable for bench storage and controlled transport within calibration workflows. By maintaining the condition of the weights, the housing supports consistent measurement performance for instruments that rely on small nominal masses. Integrates cleanly into calibration and metrology workflows Designed for laboratories and service technicians working with fine masses, the case streamlines organisation and inventory control for weights in the 1 g–2 g range and E2 tolerance class. The compact footprint enables efficient use of bench space and simple stacking in storage cabinets or calibration kits. Clear labelling opportunities and the standardised form factor of the enclosure aid traceability in routine checks and recalibration cycles. The practical design helps to minimise downtime: weights remain accessible and test-ready, supporting faster setup and repeatable measurement procedures in quality-critical environments. Practical advantages for everyday workshop and service use For technicians who move calibration sets between workstations, the lightweight and resilient housing reduces the risk of accidental damage while remaining easy to carry. The case’s construction is suited to regular handling and provides basic protection against dust and light mechanical impact. As part of a broader supply strategy, such enclosures help to centralise equipment storage and improve the organisation of small nominal masses, contributing to dependable process control in production, service, and inspection routines. The product’s compatibility with standard compact/button masses simplifies integration with existing calibration kits and holders. Choose the KERN 317-020-400 Plastic case for reliable E2 storage — contact Metav Werkzeuge in Emmerich for tailored advice or to arrange supply via info@metav-werkzeuge.com and +49 2822 7131930 Technical data SKU: 317-020-400 Manufacturer: KERN GTIN: 4045761081116 Origin: Germany Material: Plastic Facts Nominal values: 1 g–2 g Accuracy class: E2 Net weight: 0.02 kg Tariff code: 84239090 Special features Case for single calibration weights (button/compact) Product category: Calibration weight cases & etuis Product group: Plastic case for single weights FAQ What sizes of weights fit this case? The case is made for single calibration weights with nominal values from 1 g to 2 g in the compact/button format. Is the housing suitable for accuracy class E2 weights? Yes, the enclosure is specified for storage of weights to accuracy class E2, helping to preserve their condition between uses. Which material is used for the case and what benefits does it provide? The case is manufactured from durable plastic, offering lightweight protection against dust and minor impacts while remaining easy to handle. Can the case be integrated into existing calibration kits? The compact/button form factor is compatible with standard kits and supports organised storage in calibration workflows. Does the product include individual compartments for each weight? The case is designed for single-weight storage in the button/compact format to keep masses separated and protected. KERN — Germany

Select For Weight
Select Material

Regular price: €5.00
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
Blaues Kunststoff Etui für Einzelgewichte. Das Etui ist zylindrisch mit Rillen auf der Seite. Es sieht ein bisschen so aus wie eine Dose für Filme oder eine Regentonne in Miniatur.
1g-2g Plastic Case for Single Test Weights Button/Compact, For Class E2 - KERN

Benefit from a compact, durable plastic case that protects single calibration weights from 1 g to 2 g to accuracy class E2, ensuring organised storage and safe handling in the workshop or laboratory; order directly via Metav Werkzeuge or consult our team for application advice. KERN 317-020-400 Plastic case — protective storage for single calibration weights, 1 g–2 g (class E2) KERN 317-020-400 is a robust plastic enclosure designed for the safe storage and transport of single calibration weights in the compact/button format, optimised for precision environments. Protective plastic case for single weights Fits compact/button weights 1 g–2 g Suitable for accuracy class E2 Lightweight 20 g protective storage Secure storage that preserves calibration integrity The plastic case provides a compact and stable environment for individual calibration weights, reducing handling-related errors and contamination. Built for single-weight storage in the button/compact configuration, the enclosure keeps each weight separated and secured to prevent surface damage that could affect measurement accuracy. The case’s durable plastic construction offers a balance of impact resistance and low weight, making it suitable for bench storage and controlled transport within calibration workflows. By maintaining the condition of the weights, the housing supports consistent measurement performance for instruments that rely on small nominal masses. Integrates cleanly into calibration and metrology workflows Designed for laboratories and service technicians working with fine masses, the case streamlines organisation and inventory control for weights in the 1 g–2 g range and E2 tolerance class. The compact footprint enables efficient use of bench space and simple stacking in storage cabinets or calibration kits. Clear labelling opportunities and the standardised form factor of the enclosure aid traceability in routine checks and recalibration cycles. The practical design helps to minimise downtime: weights remain accessible and test-ready, supporting faster setup and repeatable measurement procedures in quality-critical environments. Practical advantages for everyday workshop and service use For technicians who move calibration sets between workstations, the lightweight and resilient housing reduces the risk of accidental damage while remaining easy to carry. The case’s construction is suited to regular handling and provides basic protection against dust and light mechanical impact. As part of a broader supply strategy, such enclosures help to centralise equipment storage and improve the organisation of small nominal masses, contributing to dependable process control in production, service, and inspection routines. The product’s compatibility with standard compact/button masses simplifies integration with existing calibration kits and holders. Choose the KERN 317-020-400 Plastic case for reliable E2 storage — contact Metav Werkzeuge in Emmerich for tailored advice or to arrange supply via info@metav-werkzeuge.com and +49 2822 7131930 Technical data SKU: 317-020-400 Manufacturer: KERN GTIN: 4045761081116 Origin: Germany Material: Plastic Facts Nominal values: 1 g–2 g Accuracy class: E2 Net weight: 0.02 kg Tariff code: 84239090 Special features Case for single calibration weights (button/compact) Product category: Calibration weight cases & etuis Product group: Plastic case for single weights FAQ What sizes of weights fit this case? The case is made for single calibration weights with nominal values from 1 g to 2 g in the compact/button format. Is the housing suitable for accuracy class E2 weights? Yes, the enclosure is specified for storage of weights to accuracy class E2, helping to preserve their condition between uses. Which material is used for the case and what benefits does it provide? The case is manufactured from durable plastic, offering lightweight protection against dust and minor impacts while remaining easy to handle. Can the case be integrated into existing calibration kits? The compact/button form factor is compatible with standard kits and supports organised storage in calibration workflows. Does the product include individual compartments for each weight? The case is designed for single-weight storage in the button/compact format to keep masses separated and protected. KERN — Germany

Select For Weight
Select Material

Regular price: €5.00
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
Blaues Kunststoff Etui für Einzelgewichte. Das Etui ist zylindrisch mit Rillen auf der Seite. Es sieht ein bisschen so aus wie eine Dose für Filme oder eine Regentonne in Miniatur.
1g-2g Plastic Case for Single Test Weights Button/Compact, For Class E2 - KERN

Benefit from a compact, durable plastic case that protects single calibration weights from 1 g to 2 g to accuracy class E2, ensuring organised storage and safe handling in the workshop or laboratory; order directly via Metav Werkzeuge or consult our team for application advice. KERN 317-020-400 Plastic case — protective storage for single calibration weights, 1 g–2 g (class E2) KERN 317-020-400 is a robust plastic enclosure designed for the safe storage and transport of single calibration weights in the compact/button format, optimised for precision environments. Protective plastic case for single weights Fits compact/button weights 1 g–2 g Suitable for accuracy class E2 Lightweight 20 g protective storage Secure storage that preserves calibration integrity The plastic case provides a compact and stable environment for individual calibration weights, reducing handling-related errors and contamination. Built for single-weight storage in the button/compact configuration, the enclosure keeps each weight separated and secured to prevent surface damage that could affect measurement accuracy. The case’s durable plastic construction offers a balance of impact resistance and low weight, making it suitable for bench storage and controlled transport within calibration workflows. By maintaining the condition of the weights, the housing supports consistent measurement performance for instruments that rely on small nominal masses. Integrates cleanly into calibration and metrology workflows Designed for laboratories and service technicians working with fine masses, the case streamlines organisation and inventory control for weights in the 1 g–2 g range and E2 tolerance class. The compact footprint enables efficient use of bench space and simple stacking in storage cabinets or calibration kits. Clear labelling opportunities and the standardised form factor of the enclosure aid traceability in routine checks and recalibration cycles. The practical design helps to minimise downtime: weights remain accessible and test-ready, supporting faster setup and repeatable measurement procedures in quality-critical environments. Practical advantages for everyday workshop and service use For technicians who move calibration sets between workstations, the lightweight and resilient housing reduces the risk of accidental damage while remaining easy to carry. The case’s construction is suited to regular handling and provides basic protection against dust and light mechanical impact. As part of a broader supply strategy, such enclosures help to centralise equipment storage and improve the organisation of small nominal masses, contributing to dependable process control in production, service, and inspection routines. The product’s compatibility with standard compact/button masses simplifies integration with existing calibration kits and holders. Choose the KERN 317-020-400 Plastic case for reliable E2 storage — contact Metav Werkzeuge in Emmerich for tailored advice or to arrange supply via info@metav-werkzeuge.com and +49 2822 7131930 Technical data SKU: 317-020-400 Manufacturer: KERN GTIN: 4045761081116 Origin: Germany Material: Plastic Facts Nominal values: 1 g–2 g Accuracy class: E2 Net weight: 0.02 kg Tariff code: 84239090 Special features Case for single calibration weights (button/compact) Product category: Calibration weight cases & etuis Product group: Plastic case for single weights FAQ What sizes of weights fit this case? The case is made for single calibration weights with nominal values from 1 g to 2 g in the compact/button format. Is the housing suitable for accuracy class E2 weights? Yes, the enclosure is specified for storage of weights to accuracy class E2, helping to preserve their condition between uses. Which material is used for the case and what benefits does it provide? The case is manufactured from durable plastic, offering lightweight protection against dust and minor impacts while remaining easy to handle. Can the case be integrated into existing calibration kits? The compact/button form factor is compatible with standard kits and supports organised storage in calibration workflows. Does the product include individual compartments for each weight? The case is designed for single-weight storage in the button/compact format to keep masses separated and protected. KERN — Germany

Select For Weight
Select Material

Regular price: €5.00
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
Pinzette zum anheben von Milligrammgewichten auf weißem Hintergrund. Die Pinzette ist silbern mit roten, leicht gebogenen Spitzen.
105mm Tweezer For Handling Small Test Weights, Teflon-Coated Tips - KERN

Take advantage of secure handling of small calibration weights, robust stainless steel construction and a compact 105 mm length for precise control; order the tweezers directly via Metav Werkzeuge or contact our consultants for application advice. Pinzette 315-243 — Precision tweezers by KERN, stainless steel, 105 mm The Pinzette 315-243 is a precision tweezer designed for the secure handling of small calibration weights in laboratories and workshop environments. Secure grip for micro calibration weights Stainless steel construction Length 105 mm for fine control Suitable for 1 mg – 200 g (E1 – M3) Secure handling for trace and routine calibration tasks The compact design delivers a secure grip for very small test weights, reducing the risk of slippage and accidental contact. Its dimensions, including the 105 mm length, allow for controlled, repeatable handling that supports efficient calibration workflows. This contributes to fewer handling errors and a more consistent weighing routine when working with weights from 1 mg – 200 g. Durable construction that keeps processes dependable Manufactured in stainless steel, the tool combines durability with low maintenance, ensuring longevity in daily metrology use. The robust construction helps maintain geometric stability and handling precision under repeated use, which supports reliable measurement results and reduces downtime for replacements. The design suits both laboratory benches and on-site calibration setups where space and dexterity matter. Practical compatibility and metrology clarity Designed for compatibility with standard calibration classifications, the tweezers are suitable for weights in classes E1 – M3, covering high-accuracy laboratory weights as well as routine workshop standards. For users less familiar with weight classes: these designations indicate recognised accuracy ranges used by calibration professionals and metrology services, ensuring the tool is appropriate for precise, standard-compliant handling. Confidence through expert supply and service Sourcing tools from a trusted partner simplifies procurement and post-sale support. Metav Werkzeuge stands for democratisation of precision, offering an extensive range of metrology supplies from its base in Emmerich. With a broad catalogue and a long-standing customer base, the emphasis is on dependable availability and a clear supply chain that supports uninterrupted calibration operations. Contact Metav Werkzeuge for tailored advice on the KERN 315-243 tweezers and to confirm suitability for specific weight classes — email info@metav-werkzeuge.com or call +49 2822 7131930 for fast guidance from our Emmerich team Technical data Article number: 315 SKU: 315-243 Manufacturer: KERN GTIN: 4045761067615 Length: 105 mm Net weight: 0.02 kg Facts Suitable weight range: 1 mg – 200 g Applicable weight classes: E1 – M3 Material: Stainless steel Special features Secure gripping geometry for small calibration weights Compact format for precise handling and repeatability Designed for laboratory and workshop use Rapid dispatch and broad metrology assortment available from supplier FAQ How small a weight can be handled with these tweezers? The Pinzette 315-243 from KERN is suitable for handling weights from 1 mg up to 200 g, covering the usual micro and small calibration weights used in precise weighing tasks. What material is the tool made from and why does that matter? The tweezers are made from stainless steel, giving corrosion resistance and dimensional stability that support consistent handling and long service life in metrology environments. Are these tweezers suitable for laboratory-grade calibration weights? Yes, the KERN 315-243 is specified for weights in classes E1 – M3, which includes high-accuracy laboratory weights as well as standard workshop classes, making it appropriate for professional calibration work. What are the physical dimensions and weight of the tweezers? The tweezers measure 105 mm in length and have a net weight of 0.02 kg, offering a compact tool that balances control with minimal contact force. Metav Werkzeuge, Emmerich am Rhein, Email: info@metav-werkzeuge.com, Tel: +49 2822 7131930

Select For weights
Select Version

Variants from €5.00
Regular price: €18.00
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
Pinzette zum anheben von Milligrammgewichten auf weißem Hintergrund. Die Pinzette ist silbern mit roten, leicht gebogenen Spitzen.
105mm Tweezer For Handling Small Test Weights, Teflon-Coated Tips - KERN

Take advantage of secure handling of small calibration weights, robust stainless steel construction and a compact 105 mm length for precise control; order the tweezers directly via Metav Werkzeuge or contact our consultants for application advice. Pinzette 315-243 — Precision tweezers by KERN, stainless steel, 105 mm The Pinzette 315-243 is a precision tweezer designed for the secure handling of small calibration weights in laboratories and workshop environments. Secure grip for micro calibration weights Stainless steel construction Length 105 mm for fine control Suitable for 1 mg – 200 g (E1 – M3) Secure handling for trace and routine calibration tasks The compact design delivers a secure grip for very small test weights, reducing the risk of slippage and accidental contact. Its dimensions, including the 105 mm length, allow for controlled, repeatable handling that supports efficient calibration workflows. This contributes to fewer handling errors and a more consistent weighing routine when working with weights from 1 mg – 200 g. Durable construction that keeps processes dependable Manufactured in stainless steel, the tool combines durability with low maintenance, ensuring longevity in daily metrology use. The robust construction helps maintain geometric stability and handling precision under repeated use, which supports reliable measurement results and reduces downtime for replacements. The design suits both laboratory benches and on-site calibration setups where space and dexterity matter. Practical compatibility and metrology clarity Designed for compatibility with standard calibration classifications, the tweezers are suitable for weights in classes E1 – M3, covering high-accuracy laboratory weights as well as routine workshop standards. For users less familiar with weight classes: these designations indicate recognised accuracy ranges used by calibration professionals and metrology services, ensuring the tool is appropriate for precise, standard-compliant handling. Confidence through expert supply and service Sourcing tools from a trusted partner simplifies procurement and post-sale support. Metav Werkzeuge stands for democratisation of precision, offering an extensive range of metrology supplies from its base in Emmerich. With a broad catalogue and a long-standing customer base, the emphasis is on dependable availability and a clear supply chain that supports uninterrupted calibration operations. Contact Metav Werkzeuge for tailored advice on the KERN 315-243 tweezers and to confirm suitability for specific weight classes — email info@metav-werkzeuge.com or call +49 2822 7131930 for fast guidance from our Emmerich team Technical data Article number: 315 SKU: 315-243 Manufacturer: KERN GTIN: 4045761067615 Length: 105 mm Net weight: 0.02 kg Facts Suitable weight range: 1 mg – 200 g Applicable weight classes: E1 – M3 Material: Stainless steel Special features Secure gripping geometry for small calibration weights Compact format for precise handling and repeatability Designed for laboratory and workshop use Rapid dispatch and broad metrology assortment available from supplier FAQ How small a weight can be handled with these tweezers? The Pinzette 315-243 from KERN is suitable for handling weights from 1 mg up to 200 g, covering the usual micro and small calibration weights used in precise weighing tasks. What material is the tool made from and why does that matter? The tweezers are made from stainless steel, giving corrosion resistance and dimensional stability that support consistent handling and long service life in metrology environments. Are these tweezers suitable for laboratory-grade calibration weights? Yes, the KERN 315-243 is specified for weights in classes E1 – M3, which includes high-accuracy laboratory weights as well as standard workshop classes, making it appropriate for professional calibration work. What are the physical dimensions and weight of the tweezers? The tweezers measure 105 mm in length and have a net weight of 0.02 kg, offering a compact tool that balances control with minimal contact force. Metav Werkzeuge, Emmerich am Rhein, Email: info@metav-werkzeuge.com, Tel: +49 2822 7131930

Select For weights
Select Version

Variants from €5.00
Regular price: €18.00
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.