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Model 177-50
The Model 177-50 is a rugged benchtop ratemeter with an alarm. This instrument is very popular for frisking operations at stations where line power is available. It can also be used in portable applications for up to 50 hours using the internal rechargeable battery.
The 177-50 supports GM, proportional, and scintillation detectors and displays the results on a linear readout analog meter. The audio alarm is adjustable from 0 through 150% of full scale and is factory set to latching. Reconfiguration to non-latching can be accommodated via a minor internal change.
Front-panel controls include an alarm set control, audio volume adjust, power on/off switch, and pushbuttons for count reset, battery test, high-voltage test, and alarm test. The back panel contains the power cord connection and a 9-pin type "D" plug that supports rapid battery charging, 6 to 9.6 volts power output, alarm output, pulse output, and a recorder output.
Features
- 5-Range Meter
- Logarithmic Analog Scale Readout
- Adjustable Alarms
- 50-Hour Rechargeable Battery
- Operates with GM, Proportional & Scintillation Detectors
