Anaheim Scientific M120 Manuel utilisateur

Model M120

Mini Tempe ratu re/H umi dity M eter

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Table of Contents

1INTRODUCTION............................................................................... 3

1.1 The M120 features: .................................................................... 3

2SAFETY SUMMARY......................................................................... 4

3COMPLIANCE STATEMENTS......................................................... 5

4PRODUCT CONTENTS AND INSPECTION .................................... 5

5DEVICE DESCRIPTION ................................................................... 7

5.1 Meter Control Buttons ................................................................ 7

5.2 LCD Display Functions............................................................... 8

6DEVICE OPERATION....................................................................... 8

6.1 Switching Mode.......................................................................... 8

6.2 CAL/°C/°F Button: ...................................................................... 8

6.3 MAX/MIN/AVG Button:............................................................... 9

6.4 Data Hold Button:....................................................................... 9

6.5 Power Button:........................................................................... 10

6.6 Auto Power-Off:........................................................................ 10

6.7 Battery Replacement:............................................................... 11

7TECHNICAL SPECIFICATIONS .................................................... 12

8SERVICE, REPAIRS, CALIBRATION............................................ 13

9LIMITED TWO-YEAR WARRANTY ............................................... 15

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1 Introduction

Thank you for purchasing a M120

Tempera t u re/Humid i ty Meter from Anaheim Scientific.

The M120 uses a highly accurate sensor chip to

measure relative humidity and temperature. It is

perfect for many industrial applications, laboratory and

other types of work environments. Durable and reliable

the M120 is easy to use.

1.1 The M120 features:

•Dual display of temperature and humidity

•°C / °F modes

•Simultaneously hold both temperature and humidity

readings

•Simultaneously hold both maximum and minimum

and average readings (MAX/MIN/AVG)

•Auto-power off

•Low battery indicator

•DEW-POINT and WET-BULB temperature

measurements

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2 Safety Summary

CAUTION

Adhere to the following conditions for safe

and effective usage of this meter

•Do not operate the meter in an environment filled

with combustible gas, liquids, dust or fibers

•In order to avoid reading incorrect data, please

replace the battery immediately when the symbol

“" appears on the LCD

•When not using the Temperature / Humidity Meter

for an extended period of time, remove the battery

to avoid damage to the thermometer due to the

leaking battery fluid.

•Operating Environment: 0°C ~ +60°C, <95% RH.

(non-condensing)

•Storage Environment: -10°C ~ +60°C, <70% RH.

(non-condensing)

•Cleaning and Maintenance : Cigarette ashes and

dust on the humidity sensor can slow down the

sensor’s response time, while causing inaccuracy

in measurements. Clean up the sensor periodically

by simply blowing away the dust particles. Do not

apply water or other chemical solvent like alcohol

when cleaning.

•Do not place the Temperature / Humidity Meter

inside any liquid to prevent damage to the

Thermometer.

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3 Compliance Statements

Caution: This symbol indicates that the

equipment and its accessories shall be

subject to separate collection and disposal

procedures

EMC

-EMC : EN61326-1

This product complies with requirements of the

following European Community Directives:

89/336/EEC (Electromagnetic Compatibility) and

73/23/EEC (Low Voltage) as amended by 93/68/EEC

(CE Marking). However, electrical noise or intense

electromagnetic fields in the vicinity of the equipment

may disturb the measurement circuit. Measuring

instruments will also respond to unwanted signals that

may be present within the measurement circuit. Users

should exercise care and take appropriate precautions

to avoid misleading results when making

measurements in the presence of electronic

interference.

4 Product Contents and Inspection

This unit is tested prior to shipment. It is therefore

ready for immediate use upon receipt. An initial

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physical inspection should be made to ensure that no

damage has been sustained during shipment.

Inspect the packing box on receipt for any external

damage. If any external damage is evident, remove

the instrument and visually inspect its case and parts

for any damage. If damage to the instrument is

evident, a description of the damage should be noted

on the carrier’s receipt and signed by the driver or

carrier agent. Save all shipping packaging for

inspection. Forward a report of any damage to the

agent through which the unit is procured.

Retain the original packing in case subsequent

repackaging for return is required. Use of the original

packing is essential.

After the mechanical inspection, verify the contents of

the shipment. The items included in this package are:

•M120 Meter

•User Manual

•Carrying Case

•2 x AAABatteries

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5 Device Description

5.1 Meter Control Buttons

1. Sensor

2. LCD

3. °C/°F Tem p er a t ure u n it an d

calibration button

4. DEW-POINT/WET-

BULB/Temperature button

5. MAX/MIN/AVG Reading

button

6. Data hold button

7. On/Off button

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5.2 LCD Display Functions

1. Low Battery Detect

2. Primary Display

3. Secondary Display

4. Auto-Power Off

Indicator

5. Data Hold

6. MAX Data Hold

7. AVG Reading

8. MIN Data Hold

9. Relative Humidity

10. °C Tem p er a t ure u n it

11. DEW-POINT

12. WET-BULB

13. °F Tem p ert u re un i t

6 Device Operation

6.1 Switching Mode

During normal measurement, press “MODE”button to

switch temperatureDew-pointWet-bulb in

sequence.

6.2 CAL/°C/°F Button:

•Calibration point 55%RH and 25℃

1. Prepare the 55%RH and 25℃environment

2. Press CAL button and POWER button for more

than 2 seconds to calibrate

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3. Put the meter in the calibration environment

4. Presses the MODE key to select humidity or

temperature (humidity and temperature must be

done individually)

5. Press CAL button more than 2 second to

complete the adjustment.

6. To exit calibration mode, press the ” ” key.

•Press this button to alternate between °C and °F

units.

6.3 MAX/MIN/AVG Button:

The MAX/MIN feature reads and updates the display

to show the maximum or minimum or AVG value

measured after you press the MAX/MIN button.

Pressing the MAX/MIN button for less than 1 second

will put the meter into a mode of displaying the

maximum, minimum, average readings. Each time the

MAX button is pressed, the meter will cycle between

MAX and MIN and AVG readings. Press the MAX/MIN

button for more than 2 seconds to exit this mode.

6.4 Data Hold Button:

Press the “HOLD” button to enter the Data Hold mode.

The LCD will display the “HOLD” symbol and hold both

the temperature and humidity readings at the same

time. Press the ”HOLD “ button again to exit this

mode.

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6.5 Power Button:

Press the ”” button more than 2 secondsto power

on the meter.

6.6 Auto Power-Off:

To s ave battery life, the meter powers down

automatically after approximately 12minutes of

inactivity. Yo u c an disable or enable Auto Power-Off by

pressing the ” ” button more than 2 second the LCD

“” symbol will disappear or appear.

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