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pH Standard, Cert.Ref Material, CRM 10.012, Traceable, Mfr#: 4282
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pH Standard, Cert.Ref Material, CRM 10.012, Traceable, Mfr#: 4282

$41.79

Stopwatch, Traceable, Digital NIST, Traceable, Mfr#: 1043
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Stopwatch, Traceable, Digital NIST, Traceable, Mfr#: 1043

$13.39

Stopwatch, Traceable, Digital NIST, Traceable, Mfr#: 1043
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Stopwatch, Traceable, Digital NIST, Traceable, Mfr#: 1043

$13.39

pH Standard, Cert. Ref Material, CRM 7.000, Traceable, Mfr#: 4281
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pH Standard, Cert. Ref Material, CRM 7.000, Traceable, Mfr#: 4281

$40.46

60-Memory Stopwatch, Sper Scientific, Mfr#: 810033
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60-Memory Stopwatch, Sper Scientific, Mfr#: 810033

$42.21

pH Standard, Cert. Ref Material, PK6, Traceable, Mfr#: 4287
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pH Standard, Cert. Ref Material, PK6, Traceable, Mfr#: 4287

$32.59

Large Display Water Resistant Stopwatch, Sper Scientific, Mfr#: 810035A
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Large Display Water Resistant Stopwatch, Sper Scientific, Mfr#: 810035A

$22.59

Water Resistant Stopwatch, Sper Scientific, Mfr#: 810012
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Water Resistant Stopwatch, Sper Scientific, Mfr#: 810012

$15.19

Timer Plus, Traceable, Traceable, Mfr#: 5045
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Timer Plus, Traceable, Traceable, Mfr#: 5045

$35.15

Timer Plus, Traceable, Traceable, Mfr#: 5045
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Timer Plus, Traceable, Traceable, Mfr#: 5045

$35.15

Heat Stress Stopwatch with NIST Calibration Certificate, Reed Instruments, Mfr#: SW700-NIST
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Heat Stress Stopwatch with NIST Calibration Certificate, Reed Instruments, Mfr#: SW700-NIST

$331.54

Digital Stopwatch, Reed Instruments, Mfr#: SW600
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Digital Stopwatch, Reed Instruments, Mfr#: SW600

$18.99

Digital Stopwatch, Reed Instruments, Mfr#: SW600
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Digital Stopwatch, Reed Instruments, Mfr#: SW600

$18.99

Heat Index Stopwatch, Relative Humidity, Extech, Mfr#: HW30
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Heat Index Stopwatch, Relative Humidity, Extech, Mfr#: HW30

$58.99

Heat Index Stopwatch, Relative Humidity, Extech, Mfr#: HW30
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Heat Index Stopwatch, Relative Humidity, Extech, Mfr#: HW30

$58.99

Stopwatch, Water-Resistant, United Scientific, Mfr#: STOPWD-HS43
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Stopwatch, Water-Resistant, United Scientific, Mfr#: STOPWD-HS43

$11.55