Model 25 Series Personal Radiation Monitor
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Model 25 Series
Personal Radiation Monitor
The Model 25 and Model 25-1 Personal Radiation Monitors are small, rugged devices designed to warn emergency response personnel of any dangerous fields that they may encounter. These easy-to-use instruments incorporate a GM detector capable of measuring radiation fields up to 9.99 Sv/h (999 R/hr).
The Model 25 Series backlit LCD readout displays dose rate, accumulated dose, and time remaining to the dose limit. Visual and audible alarms can be set over the entire measurement range. No special equipment is required to either calibrate or set up operational parameters.
The units can be worn on a belt, a lanyard, or an armband. A lanyard and a rubber boot with a built-in belt feed through are included with each instrument. See the Options tab below for other available accessories.
Intrinsically safe versions, the Model 25-IS and Model 25-IS-1, are also available for use in areas where explosion safety is a concern.
NOTE: Model 25 Series instruments are not intended to measure background levels of radiation.
Specification
| Detector | Internal energy-compensated GM | |
|---|---|---|
| Energy Range | 60 keV to 2 MeV | |
| Display | 3½ digit backlit LCD display | |
| Display Range | Model 25: 0.01 mR/hr (mR) to 999 R/hr (R) Model 25-1: 0.001 mSv/h (mSv) to 9.99 Sv/h (Sv) Also displays time remaining from 19:59 to 00:01 (in hh:mm format) |
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| Gamma Response | Model 25: Typically 18 cpm per mR/hr Model 25-1: Typically 1800 cpm per mSv/h |
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| Alerts & Alarms | Radiation alarms are adjustable over entire range. There are distinct alerts and alarms for exposure and accumulated dose:
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| Loss of Count Protection | If no pulses are received from the detector in 60 minutes, instrument failure is indicated by an audible and visual alarm and the display alternating between "0.0" and "F" | |
| Audio | Built-in speaker (typically 95 dB at 30.5 cm [1 ft]) | |
| Calibration | Requires no tools or software when exposed to a traceable radiation field | |
| Calibrated Range | Normally calibrated from: Model 25: 2 mR/hr to 999 R/hr Model 25-1: 0.02 mSv/h to 9.99 Sv/h |
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| Temperature Range | -40 to 65 °C (-40 to 150 °F) | |
| Power | 2 each lithium coin cell batteries | |
| Battery Life | Typically 6000 hours. Provides 8 hours warning of low battery. | |
| Construction | Injection-molded plastic housing with sub-surface printed membrane front panel, completely gasketed for water resistance | |
| Size (H x W x L) | 7.6 x 5.4 x 1.7 cm (3.0 x 2.1 x 0.69 in.) | |
| Weight | 144 g (5.1 oz), including batteries | |
Downloads
Product ManualFor orders under € 450 we charge € 25 order costs.
Prices shown on this website are before taxes, currency changes and shipping costs.
For an accurate price please contact our sales team at info@comm-co.com