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User's Guide
EasyView™ K-Type Thermometer
Model EA11
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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 w ww.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 >200
Accuracy
(@23 ± 5
o
C)
±(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
±(0.5% reading + 1oC) @ 1000oC to 1300oC
Temperature Coefficient 0.1 times the applicable accuracy specifications per oC from 0oC
o
C and 28oC to 40oC (32oF to 64oF and 82oF to 104oF)
to 18
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
o
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 104
Operating Humidity < 80% RH
Storage Temperature 14 to 140
o
F (0 to 40oC)
o
F (-10 to 60oC)
Storage Humidity 10 to 70% RH
Dimensions 5.91x2.8x1.4" (150x72x35mm)
Weight Approx. 8.29 oz. (235g) with battery
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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.
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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.
All rights reserved including the right of reproduction in whole or in part in any form.
Technical support: Extension 200; E-mail: support@extech.com
Repair & Returns: Extension 210; E-mail: repair@extech.com
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
Copyright © 2004 Extech Instruments Corporation
Support line (781) 890-7440
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