Warranty; Specifications - Extech Instruments 421501 User Manual

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 to 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
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.

Specifications

Display
Battery Power Supply
Battery life
Dimensions / Weight
Range / Resolution
Temperature units
Accuracy of meter
Temperature Coefficient
Water resistant housing
Input Protection
Reading rate
Thermocouple connection Meter accepts standard subminiature connector
Supplied thermocouple
Operating conditions
Storage conditions
3-1/2 digit LCD (2000 counts)
9V DC battery.
200 hours typical
7.5 x 3.6 x 2.1" (192 x 91 x 52.5mm); 11.7oz. (365g)
o
-58 to 2000 F (-50 to 1300
Important Note: The supplied thermocouple can only
be used to measure temperature up to 500
To measure higher temperatures, a high temperature
Type K thermocouple must be used.
o o
Selectable C or F temperature units
o
±(0.3% of reading + 1
o
±(0.5% of reading + 1
o
±(0.3% of reading + 2
0.1 times the applicable accuracy specifications per
o o
from 0 C to 18 C and 28
o o
82 F to 122 F)
Gasket protected front panel
24VAC/DC max. input on any combination of inputs
2.5 times per second
Teflon insulated Type K thermocouple (4' length)
Max temperature: 500
temperatures, a high temp thermocouple must be used.
o o
Accuracy: ±4 F (±2.2 C) or +0.75% of rdg
(whichever is greater) from 32 to 1472
o o
32 to 122 F (0 to 50 C); less than 80% RH
o o
-4 to 140 F (-20 to 60
2
o o o o
C); 1 or 0.1 F/ C
o
o
C) from -50 C to 1000
o
C) from 1000 C to 1300
o
F) from -58 F to 2000
o o o
C to 50 C (32 F to 64
o o
F (260 C); For higher
o
F (0 to 800
C); less than 70% RH
Model 421501 Version 1.3 February 2006
o
F (260 C).
o
C
o
C
o
F
o
C
o
F and
o
C)