Quest Technologies Model 2505 Impulse And Integrating Sound Level Meter System

Labsphere 4" Infragold Integrating Sphere. Model # 3P-GPS-040-IG.

2 inch integrating sphere

Laser Tech Technology Impulse Long Range LR 200 Series Rangefinder w/ Carry Case

Oriel Instruments Integrating Sphere

AVO Multi-Amp STATES/Biddle-Megger PA-2505 Untested

LASER TECHNOLOGY IMPULSE LR LASER RANGEFINDER , 100% WORKING

4 Inch Integrating Sphere Optical Light Measurement Sphere As-Is