Extech MO57 Manual

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MO57- - /17 en GB_V1.0 7

USER MANUAL

Pinless Moisture Meter

Model 57MO

Introduction

Thank you for selecting 57 employs a the Extech MO57 MPinless oisture Meter. The MO non-

destructive spherical sensor that safely glides over surfaces to measure the relative moisture in

wood and other building materials ( board, sheet rock, cardboard, pwall laster, concrete, and mortar)

at any angle to a depth of 10.2cm (4”).

To indicate moisture MO57 provides a digital reading audible tones and ‘moisture droplevel the , , let’

icons. Audi ble tones (eight levels of intensity) and droplet icons (1, 2, or 3) increase in proportion to

increased moisture. Additional features include Auto Power OFF and Display Lock (hold).

This meter ships fully tested and calibrated and, with proper use, will provide years of reliable

service. Please visit our website ( ) to check for the latest version of this User Guide, www.extech.com

Product Updates, and Customer Support.

Measurement Considerations

To measure moisture, the sensor emits and senses low- -power electro magnetic signals. The

displayed reading in percent is an average of the moisture content measured over the measurement

surface area and the maximum depth of penetration . .0(10 2cm [4 ”]). Moisture that is closer to the

surface has a greater effect on the displayed average than the moisture nearer to the maximum

depth of penetration.

Placing the sensor on a surface whose thickness is less than the maximum depth of penetration may

result in unreliable moisture readings; in these cases, you can stack material on top of the measured

surface to increase the thickness.

The MO57 also produces audible tones and ‘moisture droplet’ display icons to indicate moisture

level. The audible tone rate and number of droplets increase as the moisture level increases. When

measuring, keep hand stationary on the meter while holding and moving the meter, as hand

movement can affect the readings.

Meter Description

1. LCD Display

2. Power button

3. Display Lock/Beeper button

4. Material Select button

5. Sensor

Note Batt: ery compartment on rear of meter

Display Description

1. Droplet icons (1 for low moisture, 2 for medium, and 3 for high)

2. Wood mode

3. Building Material mode

4. Beeper active icon

5. Moisture reading

6. Percent moisture unit (relative)

7. Display Lock mode

8. Battery status icon

Button Descriptions

Symbol

Button name

Description

Power - ON OFF Long press to switch the meter ON or OFF

Material Select (wood/building

materials)

Short press to toggle material groups

/ Display Lock / Beeper control

Short press locks/unlocks reading on the display

Long press toggles the Beeper ON/OFF

Operation

Powering the Meter

1. . Long press the power button to turn the meter ON/OFF

2. The meter emits audible tones and calibration upon start Keep the -performs a self -up.

measurement sensor at least 8 to 10 cm (3 to 4”) from hands and during calibrationobjects .

The calibration reading must not exceed 0.5. If so, re calibrate ensuring that hands or other -

objects are clear of the sensor. enever Note: Calibrate the meter wh moving from one

measurement area to another.

3. If the battery symbol appears or if the meter does not switch ON, . replace the battery

MO57- - /17 en GB_V1.0 7

Auto Power OFF

The meter will automatically power OFF if the reading stays 0% for 3 minutes. If the meter detects

readings, other than 0%, it will not automatically power OFF.

Display (Hold) Lock

Short press the Display Lock button to freeze the displayed reading. The icon is visible on

the display when Display Lock is active. Press again to return to the normal operating mode.

Beeper ON/OFF

The beeper defaults to ON. To switch the beeper OFF, long press the Display Lock/Audible Beeper

button . When the beeper is active, the audio display icon will be visible.

Pinless Moisture Measurements

1. ( Short press the Material Select button ) to toggle the Wood and Building Material

modes of operation. The displayed icon s indicate the selected mode.

2. To take a measurement, hold the meter and position the sensor directly touching so that it is

the surface under test (at any angle). The meter can sense moisture to a depth .2cm ( of 10 4” ).

NOTE: The position of your hand can affect the reading. Do not move or reposition the hand

that holds the meter while taking measurements or when the unit.powering

3. s Observe the displayed relative reading , view the displayed moisture droplet icon(s) (more

drops indicate higher moisture levels), and listen for the audible beeping (faster beeping

indicates higher moisture; there are eight intensity levels). As discussed in the Measurement

Considerations section, the displayed reading is an average of the moisture measured over the

tested surface area to the maximum penetration depth.

4. Long press the power button to power OFF the meter.

Relative Moisture Reading Reference Table

WOOD (%)

BUIL DING MATERIAL (%)

TOTAL RANGE >

0.1~99.9

LOW

0.1~9.9

10.0~16.9

MEDIUM

17.0~23.9

24.0~29.9

30.0~39.9

HIGH

40.0~59.9

60.0~69.9

70.0~99.9

Maintenance

Battery Replacement

When the status icon appears empty or flashingbattery , replace the battery.

1. Remove the battery cover by pushing the compartment latch (bottom, back of meter) .

2. . Replace the 9V battery observing correct polarity

3. . Replace the battery cover securely

4. Dispose of battery responsibly and within applicable legal regulations.

Never dispose of used batteries or rechargeable batteries in household waste.

As consumers, users are legally required to take used batteries to appropriate

collection sites, the retail store where the batteries were purchased, or wherever

batteries are sold.

Disposal: Do not dispose of this instrument in household waste. The user is obligated to take

end- -of life devices to a designated collection point for the disposal of electrical and electronic

equipment.

Care and Cleaning

• Store the meter in an environmentally stable, dust ronment, out of direct sunlight.-free envi

• Remove the battery from the instrument if the meter is to be stored for long periods or if

the battery power symbol appears or flashing on the display.empty ( )

• To clean the meter case, wipe with a damp cloth, do not use solvents or abrasives.

Specifications

Display -LCD with multi function indicators

Sensor Type Pinless spherical sensor

Me destructiveasurement Type Non- , electro- magnetic sensing

Measurement I s) and audible tone with ndication Digital, Moisture Droplet icons (1, 2, or 3 droplet

eight levels of intensity indicating low to high moisture readings

Measurement angeR s:

Wood: Low: 0.1% to 16.9%; Medium: 17.0% to 39.9%; High: 40.0 to 99.9%

Building Materials: Low: 0.1% to 16.9%; Medium: 17.0% to 39.9%; High: 40.0 to 99.9%

Measurement depth Sensor detects to a depth of 10.2cm (4”)

Resolution 0.1%

Accuracy Relative readings only

Auto Power OFF three (3) After approx. minutes with 0% display reading.

Power supply One (1) 9V Battery; Consumption: < 40mA

Low Battery indication < 7.5VDC, approximately

Low Battery APO < 5.5VDC; APO will occur in 20 seconds, approximately

Operating conditions 5 ~ 45oC (41 ~ 113oF); 80%RH max.

Storage conditions 0 ~ 50oC (32 ~ 122oF); 85%RH max.

Dimensions x " 210 x 70 33mm (8.3 x 2.8 x 1.3 )

Weight 155 5.5 g ( oz.) without battery

www.extech.com

Produkt Specifikationer

Mærke:	Extech
Kategori:	Ikke kategoriseret
Model:	MO57

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