Manufactured to international standards (ASTM and OIML), Ohaus loose calibrations weights and calibration mass sets are available in a variety of styles for a wide range of uses.
In addition to the conventional shapes, Ohaus also offers hooked and slotted masses for use in physics. Calibration weights for the continuous accuracy of your electronic balances are available from 1 mg to 50 kg.
Also see Sartorius Calibration Masses
Calibration Weight Sets - ASTM Class 1 (Metric)
| Item # without Certificate |
80781021 |
80781023 |
80781025 |
80781027 |
80781029 |
80781031 |
80781033 |
| Price withouth Cerfificate |
$733.08
|
$1258.74
|
$775.72
|
$1309.77
|
$802.78
|
$1517.13
|
$1033.56
|
| Item # with Certificate |
80781022 |
80781024 |
80781026 |
80781028 |
80781030 |
80781032 |
80781034 |
Price with Traceable Certificate |
$1320.30
|
$2345.51
|
$1315.44
|
$2509.83
|
$1372.14
|
$2899.30
|
$1630.56
|
| Set includes |
(1) 1 mg, (2) 2 mg, (1) 5 mg, (1) 10 mg, (2) 20 mg, (1) 50 mg, (1) 100 mg, (2) 200 mg, (1) 500 mg, tweezers, case & foam packaging for each weight |
(1) 1 mg, (2) 2 mg, (1) 5 mg, (1) 10 mg, (2) 20 mg, (1) 50 mg, (1) 100 mg, (2) 200 mg, (1) 500 mg, (1) 1 g, (1) 2 g, (1) 5 g, (1)10 g, (2) 20 g, (1) 50 g, tweezers, case & foam packaging for each weight |
(1) 1 g, (2) 2 g, (1) 5 g, (1) 10 g, (2) 20 g, (1) 50 g, tweezers, case & foam packaging for each weight |
(1) 1 mg, (2) 2 mg, (1) 5 mg, (1) 10 mg, (2) 20 mg, (1) 50 mg, (1) 100 mg, (2) 200 mg, (1) 500 mg, (1) 1 g, (2) 2 g, (1) 5 g, (1) 10 g, (2) 20 g, (1) 50 g, (1) 100 g, tweezers, case & foam packaging for each weight |
(1) 1 g, (2) 2 g, (1) 5 g, (1) 10 g, (2) 20 g, (1) 50 g, (1) 100 g, tweezers, case & foam packaging for each weight |
(1) 1 mg, (2) 2 mg, (1) 5 mg, (1) 10 mg, (2) 20 mg, (1) 50 mg, (1) 100 mg, (2) 200 mg, (1) 500 mg, (1) 1 g, (2) 2 g, (1) 5 g, (1) 10 g, (2) 20 g, (1) 50 g, (1) 100 g, (1) 200 g, tweezers, case & foam packaging for each weight |
(1) 1 g, (2) 2 g, 1 x 5 g, (1) 10 g, (2) 20 g, (1) 50 g, (1) 100 g, (2) 200 g, tweezers, case & foam packaging for each weight |
| Adjusted to tolerance class |
ASTM Class 1 |
| Material |
Stainless Steel |
Individual Calibration Weights - ASTM Class 1 (Metric)
| Weight |
1 mg |
2 mg |
5 mg |
10 mg |
20 mg |
50 mg |
100 mg |
200 mg |
500 mg |
| Item Number without Certificate |
80781101 |
80781103 |
80781107 |
80781109 |
80781111 |
80781115 |
80781117 |
80781119 |
80781123 |
| Price without Certificate |
$90.95
|
$90.95
|
$90.95
|
$90.95
|
$90.95
|
$90.95
|
$90.95
|
$90.95
|
$90.95
|
| Item Number with Certificate |
80781102 |
80781104 |
80781108 |
80781110 |
80781112 |
80781116 |
80781118 |
80781120 |
80781124 |
Price with Traceable Certificate |
$143.65
|
$143.65
|
$143.65
|
$143.65
|
$143.65
|
$143.65
|
$143.65
|
$143.65
|
$143.65
|
| Adjusted to tolerance class |
ASTM Class 1 |
| Material |
Stainless Steel |
| Weight |
1 g |
2 g |
5 g |
10 g |
20 g |
50 g |
100 g |
200 g |
| Item Number without Certificate |
80781125 |
80781127 |
80781131 |
80781133 |
80781135 |
80781139 |
80781141 |
80781143 |
| Price without Certificate |
$91.80
|
$99.45
|
$109.65
|
$109.65
|
$109.65
|
$121.55
|
$128.35
|
$204.96
|
| Item Number withCertificate |
80781126 |
80781128 |
80781132 |
80781134 |
80781136 |
80781140 |
80781142 |
80781144 |
Price with Traceable Certificate |
$148.75
|
$161.50
|
$169.68
|
$173.04
|
$174.72
|
$181.44
|
$188.16
|
$317.52
|
| Adjusted to tolerance class |
ASTM Class 1 |
| Material |
Stainless Steel |
| Weight |
400 g |
500 g |
1 kg |
2 kg |
4 kg |
| Item Number without Certificate |
80780026 |
80780029 |
80780021 |
|
80780027 |
| Price without Certificate |
$158.10
|
$160.65
|
$204.12
|
|
|
$624.84
|
| Item Number with Certificate |
80850274 |
80850277 |
80850269 |
80850272 |
80850275 |
Price with Traceable Certificate |
$297.36
|
$304.92
|
$363.72
|
$402.36
|
$785.56
|
| Adjusted to tolerance class |
ASTM Class 1 |
| Material |
Stainless Steel |
| Weight |
5 kg |
10 kg |
20 kg |
30 kg |
| Item Number without Certificate |
80781001 |
80781003 |
80781005 |
80781007 |
| Price without Certificate |
$784.74
|
$1061.91
|
$1599.75
|
$2180.40
|
| Item Number without Certificate |
80781002 |
80781004 |
80781006 |
80781008 |
Price with Traceable Certificate |
$945.27
|
$1224.72
|
$1696.13
|
$2508.25
|
| Adjusted to tolerance class |
ASTM Class 1 |
| Material |
Stainless Steel |
Calibration Weight Sets - ASTM Class 4 (Metric)
| Item Number without Certificate |
80780100
290-00 |
80780111
291-01 |
80780101
292-01 |
| Photo |
 |
 |
 |
| Price without Certificate |
$386.40
|
$802.78
|
$920.97
|
| Item Number with Certificate |
290-00/C |
291-01/C |
292-01/C |
Price with Traceable Certificate |
$887.76
|
$1617.13
|
$1722.20
|
| Set includes |
(1) 500 mg, (2) 200 mg, (1) 100 mg, (1) 50 mg, (2) 20 mg, (1) 10 mg, (1) 5 mg, (2) 2 mg, (1) 1 mg, tweezers and carrying case |
(1) 50 g, (1) 30 g, (1) 20 g, (1) 10 g, (1) 5 g, (1) 3 g, (1) 2 g, (1) 1 g, (1) 500 mg, (1) 200 mg, (1) 100 mg, (1) 50 mg, (2) 20 mg, (1) 10 mg, (1) 5 mg, (2) 2 mg, (1) 1 mg, tweezers and carrying case |
(1) 100 g, (1) 50 g, (1) 30 g, (1) 20 g, (1) 10 g, (1) 5 g, (1) 3 g, (1) 2 g, (1) 1 g, (1) 500 mg, (2) 200 mg, (1) 100 mg, (1) 50 mg, (2) 20 mg, (1) 10 mg, (1) 5 mg, (2) 2 mg, (1) 1 mg, tweezers and carrying case |
| Adjusted to tolerance class |
ASTM Class 4 |
| Material |
Stainless Steel |
Individual Calibration Weights - ASTM Class 4 (Metric)
| Weight |
1 mg |
2 mg |
5 mg |
10 mg |
20 mg |
50 mg |
100 mg |
200 mg |
| Item Number without Certificate |
80780058 |
80780064 |
80780071 |
80780059 |
80780065 |
80780072 |
80780060 |
80780073 |
| Price |
$48.00
|
$48.00
|
$48.00
|
$48.00
|
$48.00
|
$48.00
|
$48.00
|
$48.00
|
| Item Number with Certificate |
80850282 |
80850288 |
80850293 |
80850283 |
80850289 |
80850294 |
80850284 |
80850290 |
Price with Traceable Certificate |
$117.30
|
$117.30
|
$117.30
|
$117.30
|
$117.30
|
$117.30
|
$117.30
|
$117.30
|
| Adjusted to tolerance class |
ASTM Class 4 |
| Material |
Aluminum |
| Weight |
500 mg |
1 g |
2 g |
5 g |
10 g |
20 g |
50 g |
100 g |
| Item Number without Certificate |
80780073 |
80780061 |
80780067 |
80780074 |
80780062 |
80780068 |
80780075 |
80780063 |
| Price |
$48.00
|
$69.75
|
$69.75
|
$69.75
|
$85.50
|
$87.55
|
$102.85
|
$102.85
|
| Item Number with Certificate |
80850295 |
80850285 |
80850291 |
80850296 |
80850286 |
80850292 |
80850297 |
80850287 |
Price with Traceable Certificate |
$113.90
|
$132.60
|
$141.10
|
$140.25
|
$145.35
|
$148.75
|
$158.10
|
$160.65
|
| Adjusted to tolerance class |
ASTM Class 4 |
| Material |
Stainless Steel |
| Weight |
100 g |
200 g |
300 g |
400 g |
500 g |
1 kg |
2 kg |
| Item Number without Certificate |
80780133 |
80780135 |
80780137 |
80780139 |
80780141 |
80780143 |
80780145 |
| Price |
$101.15
|
$119.85
|
$122.40
|
|
$136.00
|
$184.80
|
$196.56
|
| Item Number with Certificate |
80780134 |
80780136 |
80780138 |
80780140 |
80780142 |
80780144 |
80780146 |
Price with Traceable Certificate |
$152.15
|
$202.44
|
$204.96
|
$215.04
|
$230.16
|
$0.00
|
$291.48
|
| Adjusted to tolerance class |
ASTM Class 4 |
| Material |
Stainless Steel |
Individual Calibration Weights - Class F (Avoirdupois/Metric)
| Weight |
5 lb |
10 lb |
20 lb |
25 lb |
50 lb |
100 lb |
| Item Number |
77492-05
80850306 |
77492-10
80850307 |
77492-20
80850308 |
77492-25
80850309 |
77492-50
80850310 |
77492-95
80850311 |
| Price |
$69.75
|
$91.14
|
$106.25
|
$131.75
|
$150.30
|
$1318.00
|
| Class |
Class F |
| Material |
Cast Iron |
| Weight |
2 kg |
5 kg |
10 kg |
20 kg |
25 kg |
50 kg |
| Item Number |
77491-02
80850300 |
77491-05
80850301 |
77491-10
80850302 |
77491-20
80850303 |
77491-25
80850304 |
77491-50
80850305 |
| Price |
$87.42
|
$92.65
|
$153.85
|
$158.95
|
$211.68
|
$656.00
|
| Class |
Class F |
| Material |
Cast Iron |
Attachment Weight Sets
| - |
Metric Attachment Mass Set for Metric Triple Beam Balance, 2 - 1000g, 1 - 500g |
Slotted Attachment Weight Set for Model 1119D Heavy Duty Solution Balance |
Slotted Attachment Weight Set for Model 2400-12 Field Test Scale |
Slotted Attachment Weight Set for Model 2400-11 Field Test Scale |
| Item Number |
707-00
80780108 |
127-M0
80780008 |
137-A0
80850319 |
137-M0
80850320 |
| Price |
$89.28
|
|
$400.44
|
$367.07
|
|
