VWR Touchless Traceable Digital Tachometer 23609-212 Used Untested

Fisher Scientific Digi Sense Fridge / Freezer Digital Thermometer Bottle Probe

Digi-Sense 94460-92 Traceable High-Accuracy Fridge/Freezer Thermometer

ColePalmer Fisher VWR 4261 contact tachometer traceable (recently expired)

Digi-Sense Traceable Pen-Style Thermohygrometer - 98766-54

Hifi 4 Music Touchless Traceable Digital Tachometer

Fisher Traceable Tachometer with Red LED Pointer TESTED Working

THOMAS SCIENTIFIC TRACEABLE LOLLIPOP SHOCK/WATERPROOF THERMOMETER