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Home  >  Calibration Masses

Calibration Masses

Calibration Masses

For precision weighing, select from either electronic or precision analytical balance masses. Electronic balance masses are cylindrical shaped for easy stacking on balance weighing pans. Precision analytical masses feature two-piece construction and consist of a special austenitic alloy for high precision and stability. Both groups of masses meet ASTM Class 1 or ASTM Class 4 standards, and are available with either a *NVLAP Lab Code 105013-0 (National Voluntary Laboratory Accreditation Program) or traceable certificate. For commercial applications, choose an NIST Class F weight. Use the descriptions below to select the best calibration class for your application.

UltraClass—With weight tolerances 50% greater than ASTM E617 Class 1 tolerances, these weights combine high precision with the advantage of two-piece construction (1 g and larger), avoiding costly replacement issues associated with one-piece weights

ASTM Class 1—Appropriate for calibrating high-precision analytical balances with a readability as low as 0.1 mg to 0.01 mg

ASTM Class 4—For calibration of semi-analytical balances and for student use

NIST Class F—Primarily used to test commercial weighing devices by state and local weights and measures officials, device installers, and service technicians. Class F weights may be used to test most accuracy Class III scales, all scales of Class III L or IIII, and scales not marked with a class designation

ASTM Class 6—Meet the specifications of OIML R 111 Class M2
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Representative photo only Precision UltraClass mass set 200 g to 1 mg

Precision UltraClass mass set, 200 g to 1 mg

Mass g 200,Product Type Calibration Mass,Brand Troemner
Mfg Part# 7223-0
DO-01026-63
Available for order.
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$1,234.00 USD/EACH

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Representative photo only Cast Iron Grip Handle w Traceable certificate

Cast Iron Grip Handle w/ Traceable certificate

Mass kg 20,Product Type Calibration Mass,Brand Troemner
Mfg Part# 9284T
DO-11966-55
Usually ships in 13 days.
$192.00 USD/EACH

Qty:

DO-11954-50 Group image shown

ASTM Class 1 Mass with Weight Calibration Certificate, 3000 g

Mass g 3000,Product Type Calibration Mass
Mfg Part# 8122W
DO-11954-50
Available for order.
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$414.00 USD/EACH

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Representative photo only Troemner Precision ASTM Class 1 calibration mass set 200 g to 1 mg

Troemner Precision ASTM Class 1 calibration mass set, 200 g to 1 mg

Mass g 200,Product Type Calibration Mass
Mfg Part# 7223-1W
DO-11957-53
Available for order.
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$2,202.00 USD/EACH

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Representative photo only Cast Iron Grip Handle w Traceable certificate

Cast Iron Grip Handle w/ Traceable certificate

Mass lbs 50,Product Type Calibration Mass,Brand Troemner
Mfg Part# 9080T
DO-11966-53
In stock.
$219.00 USD/EACH

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Representative photo only Troemner Precision ASTM Class 1 Calibration Mass set 500 g to 1 mg

Troemner Precision ASTM Class 1 Calibration Mass set, 500 g to 1 mg

Mass g 500,Product Type Calibration Mass
Mfg Part# 7219-1W
DO-11957-49
Available for order.
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$3,070.00 USD/EACH

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Representative photo only S S Weight Set Ultra Class 500 g 1 mg with Certificate

S.S.Weight Set, Ultra Class, 500 g-1 mg with Certificate

Mass g 500,Product Type Calibration Mass
Mfg Part# 7219-0W
DO-01027-59
Available for order.
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$3,565.00 USD/EACH

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Representative photo only Troemner Precision ASTM Class 1 calibration mass set 100 g to 1 g

Troemner Precision ASTM Class 1 calibration mass set, 100 g to 1 g

Mass g 100,Product Type Calibration Mass
Mfg Part# 7224-1W
DO-11957-75
Available for order.
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$1,104.00 USD/EACH

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Representative photo only Grip Handle Weights w traceable certificate ss 20lb

Grip Handle Weights w/ traceable certificate ss 20lb

Mass lbs 20,Product Type Calibration Mass,Brand Troemner
Mfg Part# 1272T
DO-11966-46
Available for order.
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$540.00 USD/EACH

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Representative photo only 100g 2g Troemner Cal pak Class 1 With Certificate

100g-2g Troemner Cal-pak Class 1 With Certificate

Range 100 g - 2 g,Product Type Calibration Mass,Brand Troemner
Mfg Part# 7256-1W
DO-11967-02
Available for order.
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$358.00 USD/EACH

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Representative photo only 5kg 20g Troemner Cal pak Class 1 With Certificate

5kg-20g Troemner Cal-pak Class 1 With Certificate

Range 5 kg - 20 g,Product Type Calibration Mass,Brand Troemner
Mfg Part# 7267-1W
DO-11967-13
Usually ships in 14 days.
$1,178.00 USD/EACH

Qty:

DO-11954-20 Group image shown

ASTM Class 1 Mass with Weight Calibration Certificate, 100 g

Mass g 100,Product Type Calibration Mass
Mfg Part# 8144W
DO-11954-20
In stock.
$145.00 USD/EACH

Qty:

DO-11954-47 Group image shown

ASTM Class 1 Mass with Weight Calibration Certificate, 2000 g

Mass g 2000,Product Type Calibration Mass
Mfg Part# 8124W
DO-11954-47
In stock.
$299.00 USD/EACH

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Representative photo only Troemner Class F Cast Iron Grip Handle Calibration Mass 25 kg

Troemner Class F Cast Iron Grip-Handle Calibration Mass, 25 kg

Mass kg 25,Product Type Calibration Mass,Brand Troemner
Mfg Part# 9286
DO-01025-76
Usually ships in 11 days.
$190.00 USD/EACH

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Representative photo only ASTM Class 4 Mass with Traceable Certificate 2000 g

ASTM Class 4 Mass with Traceable Certificate, 2000 g

Mass g 2000,Product Type Calibration Mass
Mfg Part# 8424T
DO-11956-47
In stock.
$190.00 USD/EACH

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