Sper-scientific 840024 Digital Radiation Meter Manual do Utilizador

Digital Radiation Meter840024 Instruction Manual

- 10 - There is always naturally occurring radiation around us, which is categorized as background radiation. The radiation levels vary at different l

- 11 - 1. Establish background level as described above 2. Press the button 3. Select measurement scale: or 4. Take a reading by holding th

- 12 - 1. Establish background level (p.11) 2. Press the button 3. Select measurement scale: or 4. Place meter with the GM tube side of th

- 13 - 5. The meter is not sensitive to Beta radiation with the GM tube side pointed away from the source being checked (see image B). Image

- 14 - CHECKING AN OBJECT 1. Establish background level (p.11) 2. Press the button 3. Select measurement scale: or 4. Hold the meter with t

- 15 - MAINTENANCE AND CALIBRATION 1. Replace the battery when the symbol appears in display 2. Remove the battery if meter is not being used for

- 16 - MAINTENANCE AND CALIBRATION Note:This instrument is not user serviceable. Do not attempt making repairs or adjustments. Do not return any mete

- 17 - RADIATION AND RADIOACTIVITY nucleus that contains protons and neutrons. Neutrons do not have an electrical charge while protons have a positiv

- 18 - RADIATION AND RADIOACTIVITY Alpha Particles An alpha particle is identical to a Helium nucleus having two protons and two neutrons. When ioniz

- 19 - RADIATION AND RADIOACTIVITY Beta Particles Beta particle emission occurs when the ratio of neutrons to protons is too high. An excess neutron

- 2 - Digital Radiation Meter 840024 Copyright ©2011 by Sper Scientific ALL RIGHTS RESERVED Printed in the USA 7720 E. Redfield Rd. Suite #7, Scottsd

- 20 - RADIATION AND RADIOACTIVITY Gamma Rays and X-Rays Gamma radiation is a high energy ionizing radiation called gamma photons that are emitted fr

- 21 - SPECIFICATIONS Display: 3.5 digit LCD with maximum reading of 1999 Measurement Range: 0.1 - 199.9 μSv/hr, 0.01 - 19.99 mRem/hr Sensor: Thin W

- 22 - SPECIFICATIONS Audio Signal: Selectable “ON” or “OFF” Temperature Range: 5° ~ 122°F (5° ~50°C) Humidity Range: 0 ~ 80% RH Operating Voltage

- 23 - Rev. 5/2/12 Sper Scientific Ltd. warrants this radiation meter against defects in materials and workmanship for a period of two (2) years from

NOTICESper Scientific believes this Radiation Meter to be accurate within reasonable standards of acceptance and includes instructions that, if follow

- 3 - TABLE OF CONTENTS INTRODUCTION. . . . . . . . . . . . . . . . . . . . CAUTION . . . . . . . . . . . . . . . . . . . . . . . . . KEYPAD . .

- 4 - This manual provides the necessary information for proper use and care of Sper Scientific Model 840024 Radiation Meter. We recommend reading thi

- 5 - Although housed in a high-impact case, the Geiger-Mueller tube that senses radiation is fragile and may break If the unit is dropped, exposed to

- 6 - KEYPAD 1. 3.5 Digit LCD display 2. setup function button 3. (T2) and setup function down button 4. Power ON / OFF button 5. (T1) and set

- 7 - 1. Press the button. The meter performs a system check and displays all indicators for approximately two seconds together with a Beep signal.

- 8 - 1. To change the factory set alarm level of 0.5 μSv/h press and release the button. “ALA” appears in the display followed by the alarm set poi

- 9 - 1. the Auto Off function). Once selection is made press and release the button. 3. To cancel or restore audible chirping press and release th