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WB Johnson - Model DSM-502 -Digital Survey Meter
The DSM-502 is a digital survey meter designed to improve safety by providing accurate radiation measurement capabilities. This handheld device features a large digital display and an innovative counts-to-dose function, enabling users to seamlessly switch between count rate and dose rate with a simple toggle switch. Additionally, the DSM-502 includes a built-in scaler to measure counts per unit time, error display indicators, and both audible and visual alarms to notify users of critical measurements. Its internal Energy Compensated GM Tube covers a comprehensive dose rate range from 50 μR/hr to 2000 mR/hr, making it suitable for a variety of radiation monitoring applications. As part of WB Johnson Instruments' range of handheld meters, the DSM-502 is engineered to deliver precise measurement and user-friendly operation, catering to professionals who require reliable radiation detection technology.Most popular related searches
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DIGITAL SURVEY METER/Internal Detector
The DSM-502 boasts an oversized digital display. It has unique counts to dose capability allowing the user to quickly change from count rate to dose rate and back by the flip of a toggle switch. Other features include a scaler for counts per unit of time, display error indications and audible/visual ALARMS. The internal Energy Compensated GM Tube has a dose rate range of 50 μR/hr-2000mR/hr.
- Large digital display
- Auto ranging units
- Dual mode capacity for
- Dose rate & count rate
- Audible/visual alarms
- Dose/Counts Switch: Change Dose Rate to Count Rate by Toggling an External Switch
- Display: LCD 4-Digit x .75″ LCD w/LED Backlight
- Detector: Energy Compensated GM Tube
- Energy Range: 60 keV – 3 MeV
- Dose Range: 50 μR/hr-2000mR/hr or equivalent Sv/hr
- CPM Range: 0-999.9 Kcpm or Kcps
- Probe Linearization: Internal adjust for calibration constant and dead time
- Scaler Ranges: 0-999.9 Kcounts
- Scaler Count Time Ranges: 10-2550 Seconds (10 second increments)
- Alarms: 5-95% of Range
- Diagnostics: Low Battery, Over-range – Audible & Visual Alarms
- Range Adjustment: Auto-Ranging All Scales
- Electrical Non-Linearity: < 5% Full Scale
- Response Time: Fast – 10-2550 Seconds (adjustable)/ Slow 10-250 seconds (adjustable)
- Drift: < 5%
- Environmental: -20°F[-28°C] to 140°F[60°C] 5-95% RH IPX4 Housing
- High Voltage Adjustable: 400-1250 VDC | Regulation +-1%
- Battery: 6 – “AA” Alkaline (nominal 200hrs Operation)
- Dimensions: 6.25″(16cm) H x 4″ (10cm) W x 7″(18cm) L
- Weight: 2.5 lbs. (1.2 Kilos)