The DSM-503 Survey meter is the perfect mix of rugged and dependable for use in a variety of environments. With it's internal detector, this instrument is designed to fit the perfect application for general users of radiation measurement and monitoring. The internal energy compensated gm detector makes this instrument a perfect fit for general users of radiological instruments.
| Input Sensitivity | 0.05V |
| Display - LCD | LCD 4-Digit x .75" LCD w/LED Backlight |
| LCD Refresh Rate |
0.8 - 3.0 Sec in 0.2 Sec increments - adjustable |
| Display Backlight | Push button, 30 Second auto off |
| Dose Ranges | 0.1 mR/hr -10,000 mR/hr |
| CPM Ranges | 0-999.9 Kcmp |
| Probe Linearization | Internal adjust for cal constant and dead time |
| Scaler Ranges | 0-999.9 Kcpm |
| Scaler Count Time Ranges | 10-2550 Seconds (10 second increments) |
| Alarms | 5-95% of Range |
| Diagnostics | Low Battery, Overrange - audible and visual |
| Range Adjustment | Auto-Ranging All Scales |
| Electrical Non-Linearity | < 5% |
| Reponse Time | Fast - 10-2550 Seconds (adjustable) | Slow 10-250 seconds (adjustable) |
| Drift | <5% |
| Environmental | -20° F[-28° C]-140° F[60° C] | 5-95% RH IPX4 Housing |
| High Voltage | Adjustable 300-1500 VDC|Regulation +-1% |
| Battery | 6 "AA" Alkaline-400 hours nominal |
| Circuitry | Digital Microprocessor Controlled |
| Dimensions | 5.25" (14cm) H x 4" (10cm) W x 7" (18cm) L |
| Weight | 2.5 lbs. (1.2 Kilos) |
| Construction | Heavy Duty Cast Aluminum and Stainless Steel |
| Probes | Internal Energy Compensated GM |
| Data Output (optional) | 9 Pin Serial RS-232 - Panel switch manual data extraction |
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