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产品类别- 辐射测量和保护 >>放射性污染监测 >>
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Surveyor 50
This product has been discontinued. The recommended replacement is the ASP2 or Electra GM. Please contact your Sales Rep to discuss alternatives for your particular needs.

For a time-table of spare parts and repair service availability, refer to the Replacement Guide & Support Schedule. For any other questions, please contact our Customer Service department at (800) 471-3232.

The Surveyor 50's internal components are laid out on modular circuit boards. Span, HV and calibration pots (one for each range) are clearly marked.

The exclusive HV check assures the user the detector is operating at its proper high-voltage (critical for operation near the "edge" of a GM detector plateau).

The anti-saturation circuit keeps the meter reading off-scale when the detector saturates in a high radiation field, providing an added safety margin.

Automatic dead time compensation assures the accuracy of higher exposure rate readings for linear response on all ranges.

A single 9-volt battery powers each instrument. The Surveyor 50 is compatible with all GM probes.

? Alpha, beta, gamma and X-ray detection? Single 9-volt battery? Exclusive HV check? Choice of GM probes? Wide view meter? Anti-saturation circuit? Dead time compensation? Calibration pot for each range

Radiation Detected : Alpha, beta, gamma and X-ray, depending upon GM probe used
Detector : Choice of GM probes
Range : Three linear ranges: 0 to 0.5 mR/h - 0 to 600 cpm, 0 to 5 mR/h - 0 to 6000 cpm, 0 to 50 mR/h - 0 to 60000 cpm
Accuracy : Within 15% of reading for 137Cs between 25% and 100% of full scale on any range
High Voltage : Electronically stabilized, factory set at 900 V
Connector : MHV
Warmup Time : None
Saturation: : Typically >1000 R/h on all ranges (with exclusive anti-saturation circuit) for most GM probes; >5 R/h for pancake GM probes
Response Time : Optimized for each range, 0 - 90% of final reading as follows: X1 - 12 sec, X10 - 5 sec, X100 - 2 sec.