EXTECH 45170 4 In 1 Temperature Airflow Environmental Meter User Manual

: June 15, 2024
: EXTECH

Table of Contents

Introduction
Meter Description
Operation
Useful Equations
Specifications
Two-year Warranty
Calibration and Repair Services
Contact Customer Support
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

**EXTECH 45170 4 In 1 Temperature Airflow Environmental Meter User Manual

**

Introduction

Congratulations on your purchase of Extech’s Model 45170 4-in-1 Humidity, Temperature, Airflow and Light Meter. With careful use, this meter will provide years of reliable service.

Meter Description

Vane Airflow Sensor
Type K Thermocouple Input Jack
Display
Power Button
Unit /Zero Button
C°/F° /Lux/Ft-cd Button
Light Sensor
RH and Air Temperature Sensors
Hold Button
Max/Min Button
Function Button

Operation

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

A. Air Velocity Measurements

Press the Function button to select the Anemometer mode. In Air Flow mode, the display will show Air Velocity and Temperature.
Press Unit/Zero button to select desired unit of measure (FPM, MPH, KNOT, KM/H, or M/S) and face the Air Flow Sensor towards the source of wind.
Allow time for the reading to stabilize and note value. From a practical point of view the velocity may fluctuate slightly.

B. Humidity and Ambient Air Temperature Measurements

Press the Function button to select RH mode.. In RH mode, the display will show %RH and Temperature.
Press the °C/°F button to select the desired temperature unit of measure.

C. Temperature Measurements Using Type K Thermocouple

Press the Function button to select the Temperature mode. In Temperature mode, the display will show only temperature.
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 thermonuclear is connected).

D. Light Measurements

Press the Function button to select the Light Meter mode. The light values are displayed and orientated 180° from the other functions for easy use.
Press the Lux/Ft-cd to select Lux or Footcandle units of measure.
Before making measurements “Zero” the meter out by blocking the light sensor to simulate a no light condition and pressing the Unit/Zero button. The reading should go to Zero.
Hold the sensor toward the light source and note reading.

MIN, MAX, Data Recording Function

Press the Max/Min button once. The RECORD symbol will appear on the display. This starts the Min/Max Data Recording Mode.
Press the Max/Min again and the MAX symbol along with the maximum value will appear on the display.
Press the Max/Min once more and the MIN symbol along with the minimum value will appear on the display.
To Clear the recorded Max/Min values press the HOLD button once. Press and Hold the Max/Min button for 3 seconds to exit Min/Max Data Record Mode and return to normal measurement mode. Record and Max/Min will disappear from the display once this is done.

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.

You, as the end user, are legally bound (EU Battery ordinance) to return all used batteries, disposal in the household garbage is prohibited! You can hand over your used batteries / accumulators at collection points in your community or wherever batteries / accumulators are sold!

Disposal: Follow the valid legal stipulations in respect of the disposal of the device at the end of its lifecycle

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

Specifications

Range Specifications

Measurement	Range	Resolution	Accuracy
MPH (Miles per hour)	0.9 to 67.0MPH	0.1MPH	**** £ 3937 ft/min: ±3% F.S.>

General Specifications

Display	4 digit (9999 count) Dual Display LCD
Sensors	Thin film capacitance humidity sensor
Min/Max	Min/Max recalls the highest/lowest reading
Data Hold	Data Hold freezes the display
Operating conditions	0 to 50oC (32 to 122oF) / < 80% RH
Power supply	9 Volt Battery
Dimensions / Weight	Instrument: 156 x 60 x 33mm( 6.14 x 2.36 x 1.29”) Vane:

24mm ( 1”) diameter / 160 g (5.7 oz)

Two-year Warranty

Teledyne FLIR LLC warrants this Extech brand instrument to be free of defects in parts and workmanship for two years from date of shipment (a six-month limited warranty applies to sensors and cables). To view the full warranty text please visit: http://www.extech.com/support/warranties.

Calibration and Repair Services

Teledyne FLIR LLC offers calibration and repair services for the Extech brand products we sell. We offer NIST traceable calibration for most of our products. Contact us for information on calibration and repair availability, refer to the contact information below. Annual calibrations should be performed to verify meter performance and accuracy. Product specifications are subject to change without notice. Please visit our website for the most up-to- date product information: www.extech.com.