Extech Instruments 45160 User manual

USER MANUAL

3 in 1 Humidity, Temperature and Airflow Meter

Model 45160

www. .com information@itm.com1.800.561.8187

45160-en-GB_v1.6 11/16

Introduction

Congratulations on your purchase of the Extech Model 45160 3 in 1 Humidity,

Temperature and Airflow Meter. The dual display indicates Air Velocity and

Temperature or Humidity and Temperature.

This device is shipped 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 Manual, Product Updates, Product Registration, and

Customer Support.

Specifications

Range Specifications

General Specifications

www. .com information@itm.com1.800.561.8187

45160-en-GB_v1.6 11/16

Meter Description

1. LCD display

2. Keypad

3. Vane

4. Thermocouple input jack

5. %RH sensor

6. Battery compartment (rear)

Operation

Turn Power ON

Press the power button to turn power on. The meter will perform a short self test.

A. Airflow Measurements

1. Press the Function button to select the Anemometer function. In Air

Flow mode, the display will show Air Velocity and Temperature.

2. Press Unit button to select desired unit of measure (FPM, MPH,

KNOT, KM/H, or M/S)

B. %RH Measurements

1. Press the Function button to select %RH function. In %RH mode, the

display will show %RH and Temperature.

2. Press the °C/°F button to select the desired temperature unit of

measure.

C. Temperature Measurements

1. Press the Function button to select the Temperature function. In

Temperature mode, the display will show only temperature.

2. Plug the thermocouple into the meter's thermocouple input jack. If

no thermocouple is connected, or if the thermocouple is defective,

the meter will display  . (Primary display temperature will only

work if a thermocouple is connected).

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45160-en-GB_v1.6 11/16

MIN, MAX, Recording Function

Press the Max/Min button to begin capturing the Minimum (MN), and Maximum (MX),

values. Press Max/Min to view maximum and minimum recorded readings, Press and

Hold the Max/Min button until the display returns to standard operation to exit the

Max/Min function.

Data Hold

Press the HOLD button to freeze the reading in the display. The 'HOLD' icon will appear

on the upper right hand side of the display. Press the HOLD button again to return to

normal operation (the 'HOLD' hold icon will disappear).

Auto Power OFF

The meter will automatically turn off after 10 minutes if no keys are pressed during this

period. Auto power off is disabled in the max/min recording mode.

Turning Power OFF

Press the power button to turn power off.

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.

Useful Equations

Area equations

Cubic equations

CFM (ft3/min) = Air Velocity (ft/min) x Area (ft2)

CMM (m3/min) = Air Velocity (m/sec) x Area (m2) x 60

www. .com information@itm.com1.800.561.8187

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