RADMON (micro) Type RM 703 is a G.M. Detector based, battery powered, hand-held, general purpose alarming radiation Survey Meter. This will be useful for dose rate measurements in Nuclear installations, Radiochemical plants, Reprocessing plants, etc. Additionally it will be useful in medical, agricultural, industrial and other installations where radioactive isotopes are used for a variety of applications. This product is designed around a Microcontroller Chip. It is provided with alpha Numeric LCD display for indicating the doserate in digits, dose rate as a bar graph, cumulative dose in digits. It covers wide range from 0 to 20R/hr in four ranges with autoranging. This unit has a facility for storing the data into built-in EEPROM. The stored data can be recalled on to the display or transmitted to PC.
This unit has preset alarm facility which can be set throughout the range of the instrument.
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Features
- Conforms to ANSI N42.17A performance specifications for Health Physics instrumentation (portable) &
 compliant.
- It is designed around Microcontroller Chip.
- Uses energy compensated GM Counter.
- Range changeover Automatic.
- Accuracy+/- 15% with Co-60.
- Facilitates storing recalling of readings and transmission of readings to PC
- Works on 7.5V (1.5x5V) dry cell batteries
- RTC time stamp for each reading.
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| Specifications |
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Detector |
GM 130 counter Type with external energy compensated filter or its equivalent. |
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Radiation detected |
X & Gamma, from 60 Kev to 2 MeV. |
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Energy Response |
Within +/- 20% from 60 KeV to 1.25 Mev. |
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Modes of operation |
R/h or Sv/h or cps or cpm or preset time mode. |
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Measurement range |
Dose rate : 0 mR/h - 19.99 R/h in 2 ranges.
0 µSv/h - 199.9 mSv/h in 2 ranges
Count rate : 0 - 99999 cps or 0 - 99999 cpm. |
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Preset alarm range |
0 mR/h - 19999 mR/h or
0 mSv/h - 199.99 mSv/h or
0 - 99999 cps or 0 - 99999 cpm |
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Range Changeover |
Automatic |
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Over range |
Senses over range & doserate shows on display. |
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Accuracy |
+/- 15% with Co-60. |
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Display Indication |
16X2 backlit LCD display for showing doserate/countrate apart from textual screens during configuration. |
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Audio |
Built-in prezo buzzer provides beeps for every detected pulse & alarm o/p for preset alarms. |
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Time Constant |
2secs in low TC , 4secs in Med TC
8secs in High TC. |
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Serial Port (optional) |
Built-in serial port facilitates data downloaing into PC. Data communication software with connecting cable can be provided at extra cost . |
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User Interface |
START, STOP, PROG, STORE,INC & DEC are the six control buttons provided on the instrument. The above buttons allow the user to program and operate the instruments in appropriate manner. |
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Data Storage |
Can store upto 1000 readings. Stored data can be recalled on to display or transmitted to PC through serial port. |
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RTC |
Real time stamp recorded along with each reading. |
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Power |
7.5 Volts, DC, size AA, MN1500 LR6 (5 X 1.5 Volts), Alkaline cells. |
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Fault Diagnostics |
Low battery indication is provided on the display. |
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Type test compliance |
a) Conforms to ANSI N42.17A performance specifications for Health Physics instrumentation (portable)
b) compliant |
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Dimensions |
106W x 196L x 65Ht in mm (approx.) |
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