| Input Sensitivity |
0.050V |
| External CPM/Dose Switch |
External Switch selects CPM mode or Dose Linearized mode |
| Four Linear Ranges |
0-0.2, 0-2,0-20,0-200 mR/hr
0-500,0-5,000, 0-50,000, 0-500,000 CPM
Ranges will depend on selected probes |
| Calibration Controls |
Each mode & range has separate non-interacting controls |
| Diagnostics |
HV Out of Range, Battery Low, Probe Over Range |
| Range Adjustment |
Auto-Ranging |
| Electrical Non-Linearity |
+- 5% of Full Scale |
| Response Time |
Optimized for Each Range |
| Drift |
<5% |
| Audio |
On-Off Front Panel Switch, water and solvent resistant |
| Environmental |
-20° F[-28° C]-140° F[60° C] | 5-95% RH IPX4 Housing |
| High Voltage |
Adjustable 300-1500 VDC|Regulation +-1% |
| Low Voltage |
+5 VDC & -5 VDC Regulation +-0.5% |
| Battery |
6 "AA" Alkaline-400 hours nominal |
| Meter |
3.5" Scale | Ruggedized Meter Movement
Calibrated 0-500 | 0-0.2 | Linearity +-3% |
| Circuitry |
Digital Microprocessor Controlled w/Analog Readout |
| Dimensions |
5.25" (14cm) H x 4" (10cm) W x 7" (18cm) L |
| Weight |
2.5 lbs. (1.2 Kilos) |
| Probes |
Supports all Johnson Probes |
| Probe Energy Response |
Depends on Selected Probes |