Extech Instruments CO52 Manuel utilisateur

User's Guide

Gas Leak Detector

Model CO52

Introduction

Congratulations on your purchase of the Extech C052 Gas Leak Detector. The CO52

detects the presence of gas and displays concentrations between 0 and 10000 parts per

million (ppm). Careful use of this meter will provide years of reliable service.

Description

Sensor Light Sensor LCD On/Off Button Battery Compartment (Rear)

Specifications

Measurement range 0-10000 ppm

Response Time Less than 5 seconds

Power supply 2 x AA 1.5V

Battery life Approx. 50 hours with alkaline battery with no backlight

Approx. 30 hours with backlight operation

Operating Temperature 32 to 122oF (0 to 50oC)

Storage Temperature -22 to 140oF (-30 to 60oC)

Operating Humidity 5 to 95% RH (non condensing)

Dimensions 1.5 x 10 x 1.1” (38 x 254 x 28mm)

Weight 3.5oz (100g)

CO52 V1.0 09/03

Support Hotline (781) 890-7440Tech support: Ext. 200; Email: [email protected]

air/Returns: Ext. 210

;

Email: re

air

extech.com Website: www.extech.com

Operation

Leak Detection

1. Press the ON key to power the detector

2. Hold the CO52 steady in clean ambient air during its 30 second warm up which is

indicated by the flashing PPM symbol. When completed the PPM symbol will stop

flashing and a steady ticking noise will indicate that the CO52 is ready for use.

3. Trace the CO52 around the source of the suspected leak. When leaking gas is

detected the tone will increase in pitch with increasing gas concentration.

Digital display

The digital display indicates increasing gas concentration by a three range display.

Greater than 10000 ppm

Greater than 1000 ppm but less than 10000 ppm

Greater than 100 ppm but less than 1000 ppm

Less than 100 ppm

Automatic Back Light

The CO52 will automatically reset itself to zero on activation. If necessary the CO52 will enter

into an automatic cycle to reset its zero. In this instance the unit will alarm at peak level and

decrease to zero. This process takes about 20 seconds.

Automatic Back Light

The CO52 has an automatic back light for the display, which switches on automatically in low

light conditions.

Batteries

2 AA size batteries are used. The battery compartment is located at the rear of the CO52. Fit

the batteries in accordance with the diagram found within the molding. Remaining battery life

is indicated by the symbol in the digital display. If the batteries are fresh, 5 segments will be

displayed.

Switch Off.

Switch the CO52 off by pressing the single on/off key. Store the CO52 in a warm dry place.

Warning! Storing in a damp environment will damage the sensor!

Warranty

EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects in parts and workmanship for one

year from date of shipment (a six month 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 ext. 210 for authorization or visit our website at www.extech.com (click on ‘Contact Extech’ and go to ‘Service

Department’ to request an RA number). 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.

Calibration and Repair Services

Extech offers repair and calibration services for the products we sell. Extech also provides NIST certification for most products.

Call the Customer Service Department for information on calibration services available for this product. Extech recommends

that annual calibrations be performed to verify meter performance and accuracy.

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