Sper scientific 840046 User manual

Microwave Meter

840046

Instruction Manual

- 2 -

Microwave Meter 840046

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

developed, including photocopying, recording,

or any information storage and retrieval

system without the express permission from

Sper Scientific.

- 3 -

TABLE OF CONTENTS

INTRODUCTION. . . . . . . . . . . . . . .

FEATURES . . . . . . . . . . . . . . . . . . .

MATERIALS SUPPLIED. . . . . . . . .

KEYPAD. . . . . . . . . . . . . . . . . . . . . .

MEASUREMENT PROCEDURES. .

BATTERY REPLACEMENT. . . . . . .

MAINTENANCE. . . . . . . . . . . . . . . .

OPTIONAL ACCESSORIES. . . . . .

SPECIFICATIONS. . . . . . . . . . . . . .

WARRANTY . . . . . . . . . . . . . . . . . .

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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. Features maximum

and minimum hold, an audible alarm,

and a zero adjustment to eliminate

background EMF. The display also

indicates overload and low battery.

Comes with a soft carrying case and

standard 9V battery, which provides

approximately 100 hours of use.

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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

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MATERIALS SUPPLIED

 Meter

 9 Volt Battery

 Instruction Manual

 Soft Carrying Case

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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

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” will disappear from the

lower right corner of the display.

3. For general information on

microwave oven leakage and

instructions on preparing for

microwave measurement,

see page 14.

4. Position the top of the meter to

measure the electromagnetic waves.

Adjust the measurement angle or

position until the highest reading

is obtained.

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Measurement Position

Figure 1 shows the correct

measurement position of

RF electromagnetic field

strength.

Figure 2 shows the

incorrect measurement

positions of RF

electromagnetic field

strength.

MEASUREMENT PROCEDURES

Figure 1

Figure 2

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Note…

Due to background environmental

magnetic fields, this meter may display

a reading value under 0.002 mW/cm2

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.

2. Press MAX/MIN again to retain the

minimum value. “MIN” will appear

on the LCD. The meter will continue

measuring, holding the minimum

value on the LCD until exceeded.

3. Press MAX/MIN again to retain the

maximum and minimum values

simultaneously. “MAX MIN” will

MEASUREMENT PROCEDURES

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