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Reference Weights & Mass Standards

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Reference Weights & Mass Standards
Ensure precise calibration with reliable reference weights and mass standards built to ASTM and OIML specifications. Ideal for analytical and precision balances, these certified weights are available individually or in sets, in various classes and materials. Contact us at 888-4-LABPRO (888-452-2776) for competitive bulk pricing, with next-day service in California and same-day service for will-calls.
Weight 1P ASTM 20mg UC Accrd TR - 30390242
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Weight 1P ASTM 20mg UC Accrd TR - 30390242

$219.00
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Weight Set ASTM 30kg-1mg UC Non-Accrd TR - 30390131
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Weight Set ASTM 30kg-1mg UC Non-Accrd TR - 30390131

$29,571.00
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Weight 2P EB CYL 600g UC No Cert TR - 30390286
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Weight 2P EB CYL 600g UC No Cert TR - 30390286

$289.00
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Weight 2P EB CYL 400g UC No Cert TR - 30390284
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Weight 2P EB CYL 400g UC No Cert TR - 30390284

$256.00
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Weight Set ASTM 500g-1mg UC Non-Accrd TR - 30390117
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Weight Set ASTM 500g-1mg UC Non-Accrd TR - 30390117

$5,394.00
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Weight 2P ASTM 2g UC Non-Accrd TR - 30390217
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Weight 2P ASTM 2g UC Non-Accrd TR - 30390217

$210.00
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Weight 2P ASTM 200g UC Non-Accrd TR - 30390225
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Weight 2P ASTM 200g UC Non-Accrd TR - 30390225

$367.00
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Weight 2P EB CYL 50g UC No Cert TR - 30390275
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Weight 2P EB CYL 50g UC No Cert TR - 30390275

$130.00
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Weight Set ASTM 500g-1g UC Non-Accrd TR - 30390118
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Weight Set ASTM 500g-1g UC Non-Accrd TR - 30390118

$3,957.00
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Weight 2P EB CYL 3kg UC No Cert TR - 30390290
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Weight 2P EB CYL 3kg UC No Cert TR - 30390290

$559.00
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Weight 2P ASTM 2kg UC Non-Accrd TR - 30390229
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Weight 2P ASTM 2kg UC Non-Accrd TR - 30390229

$1,525.00
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Weight 1P ASTM 10mg UC Non-Accrd TR - 30390208
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Weight 1P ASTM 10mg UC Non-Accrd TR - 30390208

$186.00
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Weight 2P ASTM 5kg UC Non-Accrd TR - 30390231
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Weight 2P ASTM 5kg UC Non-Accrd TR - 30390231

$2,188.00
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Weight Set ASTM 100g-5mg UC Non-Accrd TR - 30390111
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Weight Set ASTM 100g-5mg UC Non-Accrd TR - 30390111

$2,674.00
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Weight 2P ASTM 500g UC Accrd TR - 30390260
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Weight 2P ASTM 500g UC Accrd TR - 30390260

$562.00
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Weight 2P EB CYL 100g UC No Cert TR - 30390279
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Weight 2P EB CYL 100g UC No Cert TR - 30390279

$158.00
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Weight 1P ASTM 5mg UC Non-Accrd TR - 30390207
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Weight 1P ASTM 5mg UC Non-Accrd TR - 30390207

$186.00
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Weight Set ASTM 10kg-1g UC Non-Accrd TR - 30390126
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Weight Set ASTM 10kg-1g UC Non-Accrd TR - 30390126

$14,363.00
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Weight 2P ASTM 10kg UC Accrd TR - 30390265
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Weight 2P ASTM 10kg UC Accrd TR - 30390265

$4,576.00
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Weight 2P ASTM 1g UC Non-Accrd TR - 30390216
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Weight 2P ASTM 1g UC Non-Accrd TR - 30390216

$210.00
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Weight 2P ASTM 5g UC Non-Accrd TR - 30390219
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Weight 2P ASTM 5g UC Non-Accrd TR - 30390219

$226.00
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Weight 2P ASTM 3g UC Non-Accrd TR - 30390218
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Weight 2P ASTM 3g UC Non-Accrd TR - 30390218

$226.00
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Weight 2P ASTM 50kg UC No Cert TR - 30390204
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Weight 2P ASTM 50kg UC No Cert TR - 30390204

$15,483.00
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Weight 1P ASTM 300mg UC Non-Accrd TR - 30390214
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Weight 1P ASTM 300mg UC Non-Accrd TR - 30390214

$186.00
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Weight 1P ASTM 20mg UC Non-Accrd TR - 30390209
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Weight 1P ASTM 20mg UC Non-Accrd TR - 30390209

$186.00
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Weight 2P ASTM 5kg UC No Cert TR - 30390199
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Weight 2P ASTM 5kg UC No Cert TR - 30390199

$2,088.00
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Weight Set ASTM 20g-1mg UC Non-Accrd TR - 30390100
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Weight Set ASTM 20g-1mg UC Non-Accrd TR - 30390100

$2,741.00
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Weight 2P ASTM 50g UC Non-Accrd TR - 30390223
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Weight 2P ASTM 50g UC Non-Accrd TR - 30390223

$245.00
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Weight 2P ASTM 100g UC Non-Accrd TR - 30390224
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Weight 2P ASTM 100g UC Non-Accrd TR - 30390224

$250.00
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Weight Set ASTM 100g-1mg UC Non-Accrd TR - 30390110
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Weight Set ASTM 100g-1mg UC Non-Accrd TR - 30390110

$2,870.00
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Weight Set ASTM 100g-100mg UC NonAcrd TR - 30390113
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Weight Set ASTM 100g-100mg UC NonAcrd TR - 30390113

$2,039.00
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Weight 2P ASTM 10g UC Non-Accrd TR - 30390220
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Weight 2P ASTM 10g UC Non-Accrd TR - 30390220

$226.00
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Weight Set ASTM 20g-1g UC Non-Accrd TR - 30390104
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Weight Set ASTM 20g-1g UC Non-Accrd TR - 30390104

$1,440.00
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Weight 2P EB CYL 20g UC No Cert TR - 30390272
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Weight 2P EB CYL 20g UC No Cert TR - 30390272

$125.00
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Weight Set ASTM 2kg-1mg UC Non-Accrd TR - 30390121
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Weight Set ASTM 2kg-1mg UC Non-Accrd TR - 30390121

$8,264.00
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Weight 2P EB CYL 30g UC No Cert TR - 30390273
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Weight 2P EB CYL 30g UC No Cert TR - 30390273

$125.00
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Weight Set ASTM 5kg-1mg UC Non-Accrd TR - 30390123
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Weight Set ASTM 5kg-1mg UC Non-Accrd TR - 30390123

$12,033.00
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Weight Set ASTM 100g-10mg UC NonAcrd TR - 30390112
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Weight Set ASTM 100g-10mg UC NonAcrd TR - 30390112

$2,580.00
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Weight Set ASTM 1kg-1mg UC Non-Accrd TR - 30390119
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Weight Set ASTM 1kg-1mg UC Non-Accrd TR - 30390119

$6,885.00
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Weight 2P ASTM 30kg UC Accrd TR - 30390268
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Weight 2P ASTM 30kg UC Accrd TR - 30390268

$10,761.00
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Weight 1P ASTM 1mg UC Non-Accrd TR - 30390270
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Weight 1P ASTM 1mg UC Non-Accrd TR - 30390270

$186.00
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Weight 1P ASTM 200mg UC Non-Accrd TR - 30390213
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Weight 1P ASTM 200mg UC Non-Accrd TR - 30390213

$186.00
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Weight 2P ASTM 20kg UC Accrd TR - 30390266
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Weight 2P ASTM 20kg UC Accrd TR - 30390266

$4,867.00
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Weight Set ASTM 20g-100mg UC NonAcrd TR - 30390103
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Weight Set ASTM 20g-100mg UC NonAcrd TR - 30390103

$1,742.00
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