Specifications - Extech Instruments 421508 Instruction Manual

Specifications

General Specifications
Display
Water resistant housing Gasket protected front panel
Input Protection
Reading rate
Input connectors
Operating conditions
Storage conditions
Dimensions / Weight
Power Supply
Auto Power off
Battery life
Range Specifications
Thermocouple
K type
J type
T type
E type
R type
S type
N type
Accuracy Specifications
Thermocouple
K, J, T, E types
N type
R, S types
Temperature
Coefficient
Supplied
Thermocouples
Page 2
5-digit (9999.9), 3-Display, LCD with EL Backlighting
24VDC or 24VAC rms maximum input on any combination of
inputs. Max voltage between T1 and T2 inputs is 1V
One reading per second
Accepts standard sub-miniature thermocouple connectors
o
32 to 122 F (0 to 50
o
-4 to 140 F (-20 to 60
7.5 x 3.6 x 2.1" (192 x 91 x 52.5mm); 11.7oz. (365g)
9V battery
Meter automatically turns off after 30 minutes of inactivity
100 hours typical
Range
o
-328 to 2501 F (-200 to 1372
o
-346 to 1922 F (-210 to 1050
o
-328 to 752 F (-200 to 400
o
-346 to 1454 F (-210 to 790
o
32 to 3212 F (0 to 1767
o
32 to 3212 F (0 to 1767
o
-58 to 2372 F (-50 to 1300
Accuracy
o
±(0.05% rdg + 0.6 F) -58
o
±(0.05% rdg + 1.4 F) -58
o
±(0.05% rdg + 0.3 C) -50
o
±(0.05% rdg + 0.7 C) -50
o
±(0.05% rdg + 1.4 F) -58
o
±(0.05% rdg + 0.6 F) 32
o
±(0.05% rdg + 0.7 C) -50
o
±(0.05% rdg + 0.3 C) 0
o
±(0.05% rdg + 0.6 F) -58
o
±(0.05% rdg + 1.4 F) -58
o
±(0.05% rdg + 0.3 C) -50
o
±(0.05% rdg + 0.7 C) -50
0.1 multiplied by the accuracy per
o o o
50 C (32 F to 64 F and 82
4', type K (with teflon insulation) Max insulation temp: 500
o
Accuracy: ± 4 F (2.2
o
32 to 1472 F (0 to 800
o
C); less than 80% RH
o
C); less than 70% RH
Resolution
o o
C) 0.1
o
0.2
o o
C) 0.1
o
0.2
o o
C) 0.1
o
0.2
o o
C) 0.1
o
0.2
o o
C) 1 F (1
o o
C) 1 F (1
o o
C) 0.2
o o
F to 2498 F
o o
F to 346 F
o o
C to 1370 C
o o
F to -210 C
o o
F to 32 F
o o
F to 2372 F
o o
C to 0 C
o o
F to 1300 C
o o
F to 2498 F
o o
F to 346 F
o o
C to 1370 C
o o
F to -210 C
o
C from 0
o o
F to 122 F)
o
C) or ± 0.75% of rdg (whichever is greater) from
o
C)
Model 421508 Version 1.0 October 2002
o
F (0.1 C) from 0 to 700
F all other ranges
o
F (0.1 C) from 0 to 500
F all other ranges
o
F (0.1 C) from 0 to 600
F all other ranges
o
F (0.1 C) from 0 to 450
F all other ranges
o
C)
o
C)
o
F (0.1 C)
o o
C to 18 C and 28
o
F (260
o
F,
o
F,
o
F,
o
F,
o
C to
o
C)