Extech Instruments 45160 User manual

User's Guide

3-in-1 Humidity, Temperature and Airflow Meter

Model 45160

Introduction

Congratulations on your purchase of Extech’s Model 45160 3-in-1 Humidity,

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

or Humidity and Temperature. With careful use, this meter will provide years of reliable

service.

Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176

FAX 781.665.0780 - TestEquipmentDepot.com

99 Washington Street

Melrose, MA 02176

Phone 781-665-1400

Toll Free 1-800-517-8431

Visit us at www.TestEquipmentDepot.com

Model 45160 Version 1.3 November 2004

Specifications

Range Specifications

Measurement Range Resolution Accuracy

MPH (Miles per hour) 0.9 to 67.0MPH 0.1MPH

km/hr (kilometers per hour) 1.4 to 108.0 km/h 0.1km/h

Knots (nautical miles per hour) 0.8 to 58.3 knots 0.1knots

m/sec (meters per second) 0.40 to 30.00 m/s 0.1 m/s

ft/min (feet per minute) 80 to 5910 ft/min 1ft/min

≤ 3937 ft/min: ±3% F.S.

> 3937 ft/min: ±4% F.S

Temperature/Thermistor 32to 122oF (-0 to 50oC) 0.1oF/C ± 2.5oF (± 1.2oC)

Temperature /Thermocouple -148 to 2372°F

-100 to 1300°C 0.1°F

0.1°C ± (1% + 2°F)

± (1% + 1°C)

Relative Humidity 10.0 to 95.0% 0.1% ±4% RH (from 10% to 70%RH)

±5.2% RH (> 70% RH)

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 32 to 122oF (0 to 50oC) / < 80% RH

Power supply 9 Volt Battery

Dimensions / Weight Instrument: 6.14 x 2.36 x 1.29” (156 x 60 x 33mm)

Vane: 1” ( 24mm ) diameter / 3 oz. ( 95 g )

Meter Description

1. LCD display

2. Keypad

3. Vane

4. Thermocouple input jack

5. %RH sensor

6. Battery compartment (rear)

Model 45160 Version 1.3 November 2004

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).

MIN, MAX, Recording Function

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

values. Press the 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.

Support Hotline (781) 890-7440

Tech support: Ext. 200; Email: [email protected]

Repair/Returns: Ext. 210; Email: [email protected]

Website: www.extech.com

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

Warranty

A = pi x R 2

A = W x H

Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176

FAX 781.665.0780 - TestEquipmentDepot.com

Back to the Extech 45160 Product Info Page

Visit us at www.TestEquipmentDepot.com

Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176

FAX 781.665.0780 - TestEquipmentDepot.com

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