Radiological monitor MRS 110B-1 Manual CONTENTS 1. DESCRIPTION OF MRS 110B-1 ....... TYPE OF DETECTED RADIATION........DESCRIPTION OF THE MEASURING METHOD ..2. USE OF MRS 110B-1 ........... TURNING THE INSTRUMENT ON........WORK WITH THE INSTRUMENT........SWITCHING BETWEEN MEASURING UNITS (cpm / µSv/h) SETTING THE ALARM LEVEL ..........
MRS 110B-1 measures the exposed dose rate in counts per minute (cpm) or in micro Sieverts per hour (µSv/h). To switch between both units, press SET, than use up or down arrows to select the desired unit and confirm the selection with pressing SET again.
Radiological monitor MRS 110B-1 Manual It is to be mentioned that MRS 110B-1 gives the exact values of dose rate, measured in µSv/h, only for the photon energy that was used as the calibration source. For all other photon energies, the measuring error due to the energy nonlinearity of the GM tube should be taken into the consideration.
(down to 2 seconds). In this case, count is limited by minimum count of N=150 pulses, that gives the statistical uncertainty 1/√150= 8.2% or better. Since MRS 110B-1 works with the running average that is updated every 2 seconds, measuring is smooth and without jumps in results, caused by the random distribution of impulses.
2. USE OF MRS 110B-1 2.1 TURNING THE INSTRUMENT ON MRS 110B-1 is switched on by pressing the “ON” key. Immediately after this, self-test is done: all segments of LCD are turned on and content of EEPROM is checked. If an error is detected in EEPROM, message "Err0" is displayed on the LCD and instrument runs with the default settings.
To switch between units, press SET, than use up or down arrows to select the desired unit and confirm the selection with pressing SET again. MRS 110B-1 gives the exact values of dose rate, measured in µSv/h, only for the photon energy that was used as the calibration source. For all other photon energies, the measuring error due to the energy nonlinearity of the GM tube must be taken into the consideration.
LCD. If instrument is running with the accumulator battery, charger should be connected to the jack on the side of MRS. Battery charging should be continuously for 14 hours. In case of the normal battery replace it with the new one. AMES d.o.o. Jamova 39, Ljubljana, Slovenia...
Pulsed beeps when alarm level is exceeded Continuous at saturation of GM tube Power supply: Nicd accumulator 9V 0.11Ah (min 24 h) 9V battery 6BF22 (min. 100 h) Dimensions: 150 x 80 x 30 mm Mass: 250 g AMES d.o.o. Jamova 39, Ljubljana, Slovenia...
WARRANTY STATEMENT: The device is warranted against all defects in material or labour for a period of 12 months from a date of purchase (either purchased directly from AMES or from an authorised representative). We commit ourselves to repair without charge any defects and technical deficiencies caused under normal operation.
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