Sper Scientific 736930 Barometer
★★★   4
$25.37 $23.06 USD

Sper Scientific 840022 Advanced Light Me
$186.30 $169.35 USD

Sper Scientific 840087 Ph Meter
$84.23 $76.57 USD

Sper Scientific 840006 Lux Light Meter
$125.65 $114.22 USD

Sper Scientific 330005 Uv Light Pen
★★★★★   2
$28.63 $26.02 USD

Sper Scientific 800101 Ir Thermometer
★★★★★   2
$77.48 $70.43 USD

Sper Scientific 800007 2 Channel Thermoc
★★★★   7
$96.22 $87.46 USD

Sper Scientific 800004 Basic Thermocoupl
★★★★★   1
$132.18 $120.15 USD

Sper Scientific 800034 Heat Stress Monit
$100.58 $91.43 USD

Sper Scientific 840018 Type 2 Sound Mete
★★★   1
$158.34 $143.93 USD

Sper Scientific 810005 Large Display Tim
★★★★   7
$20.65 $18.77 USD

Sper Scientific 810017 Long Range Digita
★★★★   54
$26.62 $24.20 USD

Sper Scientific 736740 Mason's Hygromete
★★★★   8
$28.59 $25.98 USD

Sper Scientific 810033 60 Memory Digital
★★★★   3
$50.43 $45.84 USD

Sper Scientific Water Resistant Stopwatc
★★★★   3
$79.86 $72.59 USD

Sper Scientific 850009 Uv Light Meter
★★★★   4
$194.32 $176.64 USD

Sper Scientific 840020 Light Meter
$106.67 $96.97 USD

Sper Scientific 850014 Sound Meter
★★★★   4
$171.43 $155.83 USD

Sper Scientific 810024r Count Up/count D
★★★★★   1
$27.54 $25.03 USD

Sper Scientific 810044 Digital Hourglass
★★   3
$22.36 $20.33 USD

Sper Scientific 850055 Ph Meter
★★★   3
$120.71 $109.73 USD

Water Resistant Stopwatch | 810012
★★★   8
$16.93 $15.39 USD

Sper Scientific 300002 Refractometer, Br
$76.10 $69.17 USD

Sper Scientific 736920 Lab Or Classroom
★★★★   6
$55.14 $50.12 USD