Model 500

Indicated UsePulse calibration of radiation detection scalers/meters
High VoltageDisplayAnalog readout
Meter Dial6.4 cm (2.5 in.) arc, 1 mA
Scale0 to 2.5 kV
LinearityReading within 5% of true value
Pulse RateDisplayDigital readout, three digit LED display reads from 10 to 990 counts
Total Range1 to 9,900,000 cpm
AccuracyWithin 2% of true value
ControlsFine and coarse adjustment knobs
Multiplier Switchx0.1, x1, x10, x100, x1k, x10k

Model 500-1

Indicated UsePulse calibration of radiation detection instruments
High VoltageDisplayDigital Readout
Display TypeFour digit LED
Total Range0 to 1999 Vdc
LinearityReading within 5% of true value
Pulse RateDisplayDigital readout, three digit LED display reads from 10 to 990 counts
Total Range1 to 9,900,000 cpm
AccuracyWithin 2% of true value
ControlsFine and coarse adjustment knobs
Multiplier Switchx0.1, x1, x10, x100, x1k, x10k

Model 500-2

Indicated UsePulse calibration of radiation detection instruments
High VoltageDisplayDigital Readout
Display TypeFour digit LED
Total Range0 to 1999 Vdc
LinearityReading within 5% of true value
Pulse RateDisplayDigital readout, three digit LED display reads from 10 to 990 counts
Total Range1 to 9,900,000 cpm
AccuracyWithin 2% of true value
ControlsFine and coarse adjustment knobs
Multiplier Switchx0.1, x1, x10, x100, x1k, x10k
Pulse AmplitudeDisplayDigital Readout