Specifications - Extech Instruments 421504 Instruction Manual

2. SPECIFICATIONS

2.1 General Specifications
Display
Power Supply
Battery life
Weight
Dimensions
Accessories Supplied 9V battery and protective holster
2.1 Electrical Specifications
Display Resolution
RTD Probe (Pt 385 100Ω)
RTD Probe (Pt 3926 100Ω)
Temperature units
Accuracy
Temperature Coefficient
Input Protection
Reading rate
Input connectors
Ambient Operating Range
Storage Temperature
5-digit LCD with "----" overload/open-input indication
9VDC battery.
100 hours typical with carbon zinc battery
(30 min. auto power off)
11.73oz. (365 g)
7.56 x 3.58 x 2" (192 x 91 x 52.5mm)
o o
0.2 F or 0.1 C Resolution
o
-328 to 1472 F (-200 to 800
(European curve Alpha = .00385)
o
-328 to 1166 F (-200 to 630
(U.S. curve Alpha = .003926)
Selectable C or F temperature units
Accuracy is specified for operating temperatures in the
o
range of 64 to 82
year, not including the RTD probe error
±(0.05% rdg + 0.2
±(0.05% rdg + 0.4
Multiply the applicable accuracy specification per
o
from 0 to 18 C and 28 to 50
o
122 F) by 0.1
24VDC or 24VAC rms max. input on any combination
of inputs.
NOTE: Max. Voltage between T1 and T2 during
measurement = 1V
One reading per second
Accepts standard 3-terminal RTD sub-miniature
connectors (flat blade, 7.9mm spacing)
o
32 to 122 F (0 to 50
o
-4 to 140 F (-20 to 60
2
o
C)
o
C)
o
F (18 to 28 C) for a period of one
o o
C) for C Scale
o o
F) for F Scale
o
C (32 to 64
o
C); less than 80% RH
o
C); less than 70% RH
421504
o
C
o
F and 82 to
Ver. 1.8 01/03