Model 195 Digital Meter with Model 43-132 Ion Chamber

The high-range alpha ion chamber system uses the Model 43-132 Ion Chamber and the Model 195 readout unit. The Model 43-132 is designed to enhance alpha detection, although it is also sensitive to beta-gamma radiation. The Model 195 has a rugged cast aluminum instrument housing with sealed battery compartment that offer an industrial robustness and quality that promote long-lasting protection and instrument life.

Specifications

Range High Range reads as 0 to 1999 million dpm, but the usable range is 0 to 900 million dpm. Low Range is 0 to 19.99 million dpm
Readout 3½-digit LED
Audio Headset for audio. Sound frequency increases as meter reading increases
Response Approximately 5 seconds to 90% of final reading
Connector 5-pin DIN
Calibration Controls Individual recessed potentiometers for HI/LO Gain and Balance (BAL)
Nul Surface control for adjusting offset for zero
Warm-Up Time Allow 5 minutes settling time after initial turn-on
Construction Drawn-and-cast aluminum case with silk-screened nomenclature, and beige powder-coating
Power 2 to 3 volts at 50 mA, provided by two "D" size batteries
Size (H x W x L) 17.0 x 8.9 x 21.6 cm (6.7 x 3.5 x 8.5 in.)
Weight 1.2 kg (2.7 lb)