Extech Instruments EA11 Bedienungsanleitung

User's Guide

EasyView™ K-Type Thermometer

Model EA11

EA11 V1.1 06/04

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 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 EasyView™ Thermometer. This device

offers a single K-type thermocouple input with multifunction LCD display. Careful use of

this meter will provide years of reliable service.

Specifications

Measurement Range -58 to 1999oF (-50 to 1300oC)

Resolution 0.1oC/oF <200o, 1oC/oF >200o

±(0.5% reading + 2oF) @ -58oF to 0oF

±(0.3% reading + 2oF) @ 0oF to 1832oF

±(0.5% reading + 2oF) @ 1832oF to 1999oF

±(0.5% reading + 1oC) @ -50oC to 0oC

±(0.3% reading + 1oC) @ 0oC to 1000oC

Accuracy

(@23 ± 5oC)

±(0.5% reading + 1oC) @ 1000oC to 1300oC

Temperature Coefficient 0.1 times the applicable accuracy specifications per oC from 0oC

to 18oC and 28oC to 40oC (32oF to 64oF and 82oF to 104oF)

Note: Temperature accuracy does not include the accuracy of the type K probe.

Note: The temperature scale is based on the international temperature scale of 1990 (ITS90).

General Specifications

Display Multi-function LCD

Input Protection 60VDC; 24VAC rms

Display Update Rate 2.5 times per second

Over range indication "OL" appears on the LCD

Open input indication "OL" appears on the LCD

Low battery indication “BT” appears on the LCD

Power supply 6 AAA Batteries

Battery life Approximately 500 hours with carbon zinc batteries

Operating Temperature 32 to 104oF (0 to 40oC)

Operating Humidity < 80% RH

Storage Temperature 14 to 140oF (-10 to 60oC)

Storage Humidity 10 to 70% RH

Dimensions 5.91x2.8x1.4" (150x72x35mm)

Weight Approx. 8.29 oz. (235g) with battery

EA11 V1.1 06/04

Meter Description

1. Thermocouple input connector

2. LCD display

3. Max/Min button

4. Power button

5. 0.1° resolution button

6. Data hold button

7. 1° resolution select button

8. C/F units select button

Operation

Connecting thermocouples

1. This meter accepts a K-type thermocouple with spade plugs (sub-miniature type with

one spade wider than the other).

2. Plug the thermocouple into the meter's thermocouple input jack.

Turn Power ON

1. Press the button to turn power on. The meter will perform a short self-test.

2. If a probe is not inserted to the meter, an “OL” indication will appear on the display.

Selecting °C or °F units of measure

Press the °C/°F button to select the desired temperature unit of measure.

Selecting 0.1° or 1° resolution

Press the 0.1° or 1° button to select the desired temperature resolution.

MAX/Min Function

Press the MX/MN button to capture the Minimum (MN) and Maximum (MX) temperature

values. Press and Hold the MX/MN button until the display returns to standard operation to

exit the MX/MN function.

Data Hold

Press the HOLD button to freeze the reading in the display. The 'H' icon will appear on the

top center of the display. Press the HOLD button again to return to normal operation (the

'H' icon will disappear).

Turning Power OFF

Press the button to turn power off.

EA11 V1.1 06/04



Support line (781) 890-7440

Technical support: Extension 200; E-mail: [email protected]m

Repair & Returns: Extension 210; E-mail: [email protected]

Product specifications subject to change without notice

For the latest version of this User’s Guide, Software updates, and other

up-to-the-minute product information, visit our website: www.extech.com

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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