Laser Precision Corp. Rk-5100 Pyroelectric Radiometer

TRANSMATION Inc. 1045 Digital Calibrator Meter, FOR PARTS/ REPAIR Untested

Industrial Scientific VX500 Photo Ionization Detector FOR PARTS UNTESTED

Laser Precision RKP-545RX Light Intensity Detector Wavelength Power Meter Probe

Vintage Electrical Tester Wood Case Untested

TREK Model 541‑1 Electrostatic Sensor – Untested / As‑Is

Western Laser Power Meter Model LPM-7001 Untested, For Parts Of Repair

Vintage Beckman Hydrogen Flame Detector - Untested - Super Rare!