Xylem 407119A User Manual

User's Guide

Heavy Duty Hot Wire CFM Thermo-Anemometer Model 407119A

CFM

Ft/min73.2 F

POWER

UNIT / ZERO

AVERAGE

HOLD

ESC

Hot Wire Anemometer

FUNCTION

AREA

SETUP

REC. Enter

407119A

Warranty

EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects

in parts and workmanship for three years from date of shipment (a six month limited warranty applies to sensors and cables). If it should become necessary to return the instrument for service during or beyond the warranty period, contact the Customer Service Department at (781) 890-7440 ext. 210 for authorization or visit our website www.extech.com for contact information. A Return Authorization (RA) number must be issued before any product is returned to Extech. The sender is responsible for shipping charges, freight, insurance and proper packaging to prevent damage in transit. This warranty does not apply to defects resulting from action of the user such as misuse, improper wiring, operation outside of specification, improper maintenance or repair, or unauthorized modification. Extech specifically disclaims any implied warranties or merchantability or fitness for a specific purpose and will not be liable for any direct, indirect, incidental or consequential damages. Extech's total liability is limited to repair or replacement of the product. The warranty set forth above is inclusive and no other warranty, whether written or oral, is expressed or implied.

Introduction

Congratulations on your purchase of the Extech 407119A Thermo-Anemometer. The 407119A measures air velocity, air volume, and air temperature. It uses a telescoping probe antenna to allow convenient access to grills and diffusers. Careful use of this meter will provide years of reliable service. The Model 407119A features are listed below.

Features

• Combination hot wire probe (for air velocity) and thermistor sensor (for temperature) deliver rapid and precise measurements even at low air velocity values.

• Slim probe design with telescoping antenna for easy grill and diffuser access

• Air Velocity, Air Volume, and Air Temperature measurements

• 20 Reading Average feature

• Zero adjustment

• Data Hold and Record/Recall Max/Min features

• Auto Power OFF

• PC Interface (RS-232) with optional software and cable for data acquisition

Applications

Environmental testing, air conveyors, flow hoods, clean rooms, air balancing, fans/motors/blowers, furnace velocity, paint spray booths, and others.

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Specifications

General Specifications

Display Dual function 5-digit LCD

Measurement units Air Velocity: m/s, km/h, ft/min, knots, mph;

Air Flow: CMM (m

Data hold Freezes displayed reading

Sampling rate Display update rate:1 second (approx.)

Sensors Air velocity and temperature sensors: Thermistor type

MAX/MIN Memory Record and view Maximum and Minimum readings

Average feature Averages up to 20 readings

Automatic Power off Auto shut off after 15 minutes

Data Output RS-232 PC serial interface with 16-bit data stream output

Operating Temp. 32 to 122°F (0 to 50°C)

Operating Humidity Max. 80% Relative Humidity

Power Supply Four (4) ‘AA’ 1.5V batteries or optional AC adaptor

Power Current 70mA DC (approx.)

Weight (meter only) 1.15 lbs. (521g) with batteries installed

Dimensions Main instrument: 7.9 x 3.0 x 1.5" (200.0 x 76.2 x 36.8mm)

Telescoping Sensor: 0.5" (12.7mm) diameter head

Min length of sensor: 8” (260mm); Max. length: 37” (0.94m) with 5.5’ (1.7m) cable

/min) and CFM (ft3/min);Temperature: °C and °F

Range Specifications

Air Velocity Range Resolution Accuracy (of rdg)

m/s (meters per second) 0.2 – 17.0 m/s 0.1 ±(5% + 5 digits)

km/h (kilometers per hour) 0.7 – 61.2 km/h 0.1 ±(5% + 20 digits)

ft/min (feet per minute) 40 – 3346 ft/min 1 ±(5% + 100 digits)

mph (miles per hour) 0.5 – 38.0 mph 0.1 ±(5% + 10 digits)

knots (nautical miles per hour) 0.4 to 33.0 knots 0.1 ±(5% + 10 digits)

Air Flow Measurements Range Resolution Area Range

CMM (cubic meters per min.) 0 – 36,000 m CFM (cubic feet per minute) 0 – 1,271,200 ft

32 to 122

(0 to 50

/min 0.001 to 1 0.001 to 30.0 m2

/min 0.01 to 100 0.01 to 322.91ft2

Range Resolution Accuracy Air Temperature

0.1

F/C ±1.5oF (0.8oC)

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Meter Description

1. Display

2. POWER button

3. HOLD and ESC button

4. REC and ENTER button

5. UNIT, ZERO, and ▲up arrow button

6. Function and ▼down arrow butt on

7. AVG. START, CLEAR, and ►right arrow button

8. AREA SET button

9. Tilt stand

10. Battery compartment / Cover

11. Tripod mount

12. LCD contrast adjustment pot

13. System reset switch

14. RS-232 Output terminal

15. DC9V power adaptor

3 5

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