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Sper scientific 840046 Instruction Manual

Microwave
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Microwave Meter
840046
Instruction Manual

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Summary of Contents for Sper scientific 840046

  • Page 1 Microwave Meter 840046 Instruction Manual...
  • Page 2 Microwave Meter 840046 Copyright ©2009 by Sper Scientific ALL RIGHTS RESERVED Printed in the USA The contents of this manual may not be reproduced or transmitted in any form or by any means electronic, mechanical, or other means that do not yet exist or may be...

  • Page 3: Table Of Contents

    TABLE OF CONTENTS INTRODUCTION....FEATURES ....MATERIALS SUPPLIED..KEYPAD.

  • Page 4: Introduction

    Measure hazardous microwave oven leakage With use microwave oven door seals may wear enabling hazardous microwaves to leak out. Sper Scientific Microwave Meter is calibrated at 2.45 GHZ, the precise frequency of microwave ovens to accurately measure the intensity of such micro- wave leakage.

  • Page 5: Features

    FEATURES Frequency selection of normal  or microwave range Tripod mounting socket  Maximum and minimum  Hold function  Auto-power-off  Built-in alarm  Zero offset adjustment  Overload indicator  Low battery indicator  - 5 -...

  • Page 6: Materials Supplied

    MATERIALS SUPPLIED Meter  9 Volt Battery  Instruction Manual  Soft Carrying Case  - 6 -...

  • Page 7: Keypad

    KEYPAD 1. Sensor position 2. LCD 3. Zero button 4. Power on/off 5. Maximum/minimum button 6. Frequency range selection button 7. Data hold button 8. Tripod mounting socket 9. Battery cover - 7 -...

  • Page 8: Measurement Procedures

    MEASUREMENT PROCEDURES 1. Press POWER to turn the meter on. 2. Press FREQ. RANGE to select microwave (2.45 GHZ) or RF (50 MHZ to 3.5 GHZ). When 2.45 GHZ is selected, “2450 MHZ” will appear on the lower right corner of the LCD. When normal range is selected, “2450 MHZ”...
  • Page 9 MEASUREMENT PROCEDURES Measurement Position Figure 1 shows the correct measurement position of RF electromagnetic field strength. Figure 2 shows the incorrect measurement positions of RF Figure 1 electromagnetic field strength. Figure 2 - 9 -...
  • Page 10 MEASUREMENT PROCEDURES Note… Due to background environmental magnetic fields, this meter may display a reading value under 0.002 mW/cm prior to measuring. Maximum, Minimum and Hold 1. Press MAX/MIN to retain the maxi- mum value. “MAX” will appear on the LCD. The meter will continue measuring, holding the maximum value on the LCD until exceeded.
  • Page 11 MEASUREMENT PROCEDURES flash on the LCD. The meter will continue measuring, holding the maximum and minimum values on the LCD until exceeded. 4. Press and hold MAX/MIN for more than one second to exit and return to Normal Mode. 5. Press HOLD to freeze the current value on the display.
  • Page 12 MEASUREMENT PROCEDURES 2. Press POWER to turn the meter off. Press and hold MAX/MIN while simultaneously pressing POWER to turn the meter on. Auto-power-off is now disabled. 3. To restore auto-power-off: Press POWER to turn the meter off and then press POWER again to turn the meter back on.
  • Page 13 MEASUREMENT PROCEDURES Zero Offset Adjustment If the meter shows a measurement other than 0 due to background EMF, zero adjusting will eliminate this electromagnetic interference. Press ZERO to adjust and obtain a 0 measurement. “ZERO” will appear on the LCD. Overload Indicator When the reading exceeds 4 mW/cm “OL”...
  • Page 14 MEASUREMENT PROCEDURES Microwave Oven Leakage With time, microwave leakage around door seals, hinges and metal fittings is not uncommon. Therefore, it is important that all microwave ovens be periodically checked to ensure that no damage or malfunction has occurred. Microwaves may easily pass through porcelain, glass, ceramics and most plastics.
  • Page 15 MEASUREMENT PROCEDURES 1. Because microwave ovens should not be operated while empty, fill a microwave safe container with 275 ml of water and place it in the center of the oven during testing. 2. Start the microwave at maximum power. 3.

  • Page 16: Battery Replacement

    BATTERY REPLACEMENT 1. Press POWER to turn the meter off. 2. Remove the battery cover on the back of the meter. 3. Remove the old battery and replace with 1 new 9V battery, ensuring correct polarity. 4. Replace the battery cover. MAINTENANCE Use a soft, dry cloth to clean the meter.

  • Page 17: Optional Accessories

    OPTIONAL ACCESSORIES 840090 Water Resistant  Instrument Pouch 840093 Field Tripod  850000 Rubber Boot  - 17 -...

  • Page 18: Specifications

    SPECIFICATIONS Accuracy ± 2 dB at 2.45 GHZ ± 50 MHZ Resolution 0.001 mW/cm Display 3 3/4 digits LCD; maximum reading 3999 (4 mW/cm RF Power 0.003 to 2.700 Density mW/cm RF Frequency 50 MHZ to 3.5 GHZ Microwave 2450 MHZ Frequency Axis Single...
  • Page 19 SPECIFICATIONS Storage -10°C to 60°C Temperature & ˂70% RH Humidity Operating ≤ 2000 M Altitude Operating Indoor use; Environment pollution degree 2* Battery 9V NEDA 1604, IEC 6F22 or JIS 006P Battery Life Approximately 100 hours Dimensions 5 ¼” x 2 ¼” X 1 ¼” (130 x 56 x 38 mm) Weight 6 oz (170 g)

  • Page 20: Warranty

    WARRANTY Sper Scientific warrants this product against defects in materials and workmanship for a period of five (5) years from the date of purchase, and agrees to repair or replace any defective unit without charge. If your model has since been discontinued, an equivalent Sper Scientific product will be substituted if available.

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