Warranty; Introduction; Specifications - Extech Instruments 407412 User Manual

EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects
in parts and workmanship for one year from date of shipment (a six m onth limited
warranty applies on 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 for authorization. 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 Extech's Hygro Thermo-Anemometer. This Heavy
Duty meter measures and displays Air Velocity + Temperature and Relative Humidity +
Temperature. Air flow can be displayed in the following units of measure: feet per minute,
meters per second, miles per hour, kilometers per hour, and knots. Temperature and RH
o o
units are displayed in C/ F and % units respectively. Careful use of this meter will provide
years of reliable service.

Specifications

General Sp ecifications
Display Dual function, 3-1/2 digit (2000 count) LCD display
Units of measure m/s (meters per second), km/hr (kilometers per hour), ft/min (feet per
minute), knots (nautical miles per hour), mile/hr (miles per hour);
Temperature: °C/°F; Humidity: %RH
Data hold Holds reading on the LCD display when button is pressed
Sensors Air velocity sensor: Twisted vane arm with low friction ball bearing;
Temperature: Precision thermistor; Humidity: Thin film capacitor
Max/Min Record Records highest and lowest readings for later recall
Data Output RS-232 serial PC interface
Operating Temp. 32°F to 122°F (0°C to 50°C)
Operating Humidity Max. 80% RH.
Power Supply 9V battery
Power Consumption Approx. 8.3 mA DC
Weight 0.77 lbs. (350g)
Dimensions Meter: 7.1x2.8x1.3" (180 x 72 x 32mm);
Anemometer Probe: 0.7" (17mm) Diameter x 6.7" (170mm)
Accessories Anemometer/temperature and RH Probes, 9V battery, & case

WARRANTY

2 Model 407412 May 2001 Rev. 1.6