The DSM-501 Survey meter houses a 1" tissue equivalent scintillator inside the meter body. It's internal detector is excellent for low energy ranges and for detecting low levels of radioactive materials. The digital readout greatly simplifies interpretation of results.
Detector
Internal Plastic Tissue Equivalent Scintillator
| Input Sensitivity | 0.05V |
|---|---|
| Display-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 | 1.0 uR/hr - 10 mR/hr or Sieverts |
| CPS/CPM Ranges | 0-9999 cps, 0-999.9 kcpm |
| Electrical Non-Linearity | +- 5% of full scale |
| Response Time | Optimized for Each Range |
| Drift | <5% |
| Count Times | 10-2550 seconds in 10 second intervals |
| Environmental | -20° F[-28° C]-140° F[60° C] | 5-95% RH |
| High Voltage | Adjustable 300-1500 VDC|Regulation +-1% |
| Alarms | 5-95% of Range |
| Battery | 6 "AA" Alkaline-400 hours nominal |
| Probe Linearization | Internal adjust for cal constant and dead time |
| 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) |
| Construction | Heavy Duty Cast Aluminum and Stainless Steel |
| Diagnostics | Low Battery, Overrange - audible and visual |
| Probe | Internal Tissue Equivalent plastic scintillator |
