Radiation detected : X – ray & Gamma Radiation
Range : 0.1 - 100 mR/hr
Detector : Halogen quenched GM tube GM 130E or Equivalent.
Accuracy : +/-10% Full scale
Display : Auto – ranging direct reading, 4 digit 7 segment LED display & 16x2 LCD display. 6 x 7 segment display is interfaced using multiplexed display driver IC & used for display of dose-rate information. 16x2 LCD for visualization of preset alarm & other parameters.
Time Constant : Time constant varies continuously from 16 sec to 0.5 sec depending upon countrate
Calibration Accuracy : +/-10% throughout the range
Calibration Stability : Better than +/-10% over a period of six months.
Alarm range : 0.1 - 99.9 mR/hr.
Alarm setting accuracy, calibration stability.
Better than +/-10% over a period of six months.
Alarm System :
a. Alarm indication is by flashing Red (LED) large area window display and Loud audio alarm.
b. Distinctive EHT / Detector failure alarm.
c. The instrument has alarm acknowledgement and Reset switches on front panel.
d. Provision for remote alarm acknowledge and reset.
e. Alarm annunciation scheme: as tabulated below.
Monitor Enclosure : Vapour-tight, rugged & elegant. The instrument can be offered with compliance to required IP standards.
Mounting : Monitor is wall-mountable type.
Data Storage : Microcontroller has on-chip EEPROM to store the preset alarm levels and other Settings.
Self-Diagnostics : The monitor has built-in self-diagnostics. On being powered it performs tests to check for the High voltage supply, Detector and pulse processing electronics .
Power : 91V - 250 VAC +/-10%, 50 Hz, single-phase supply.
Environment : The instrument will be able to withstand temperature upto 60 deg C and relative humidity upto 90% in radiation areas.
Front panel keypad : Keypad provided on Front Panel facilitates user to configure & program the Area Monitor (deactivated by internal jumper selection).