Model 407113 V3.2 07/07

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Introduction

Congratulations on your purchase of the Extech 407113 CFM meter. This handheld

meter can display Air Flow (CFM) with Area or Air Velocity with Temperature on a

10,000-count (0 to 9999) dual display LCD. Other functions include MIN/MAX

Record/Recall, RS-232 PC interface, and Data Hold. The metal vane sensor offers

rugged durability and higher temperature withstand than comparable devices. Careful

use of this meter will provide years of reliable service.

Specifications

General Specifications

Display

Dual Display Multi-function 10,000-count (0 to 9999) LCD

Measurements

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

Air Flow: CMM (m

Temperature: °C and °F

Data Hold

Freezes displayed reading

Sampling rate

One (1) reading per second

Sensors

Air velocity/flow sensor: Metal angled vane arms with low-

friction ball bearing. Temp. Sensor: Precision thermistor

MIN/MAX

Records/Recalls lowest and highest readings

Auto Power OFF

Automatic shut off after 15 minutes

PC Interface

RS-232 Serial Communications (16-bit data stream)

Over range indication

1___ appears on the LCD

Low battery indication

LBT appears on the LCD

Power supply

9V Battery (consumption 8.3mA approx.)

Operating conditions

Meter: 32 to 122

Sensor: 32 to 175

Dimensions / Weight

Main instrument: 7.1 x 2.8 x1.3" (180 x 72 x 32mm)

Sensor head: 2.8” (72mm) diameter

Weight

0.84 lbs. (381g) for meter and sensor