Extech Instruments EA11 User Manual

EA11 V1.1 06/04
2
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 1999
o
F (-50 to 1300
o
C)
Resolution 0.1
o
C/
o
F <200
o
, 1
o
C/
o
F >200
o
±(0.5% reading + 2
o
F) @ -58
o
F to 0
o
F
±(0.3% reading + 2
o
F) @ 0
o
F to 1832
o
F
±(0.5% reading + 2
o
F) @ 1832
o
F to 1999
o
F
±(0.5% reading + 1
o
C) @ -50
o
C to 0
o
C
±(0.3% reading + 1
o
C) @ 0
o
C to 1000
o
C
Accuracy
(@23 ± 5
o
C)
±(0.5% reading + 1
o
C) @ 1000
o
C to 1300
o
C
Temperature Coefficient 0.1 times the applicable accuracy specifications per
o
C from 0
o
C
to 18
o
C and 28
o
C to 40
o
C (32
o
F to 64
o
F and 82
o
F to 104
o
F)
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 104
o
F (0 to 40
o
C)
Operating Humidity < 80% RH
Storage Temperature 14 to 140
o
F (-10 to 60
o
C)
Storage Humidity 10 to 70% RH
Dimensions 5.91x2.8x1.4" (150x72x35mm)
Weight Approx. 8.29 oz. (235g) with battery

Extech Instruments EA11 Specifications

General

Brand	Extech Instruments
Model	EA11
Category	Thermometer
Language	English