EX450V5.0V 10/06
6
Function Range Resolution
Accuracy
200
Ω
0.1
Ω
±
(0.8% r 4 digits)
2k
Ω
0.001k
Ω
±
(0.8% r 2 digits)
20k
Ω
0.01k
Ω
200k
Ω
0.1k
Ω
2M
Ω
0.001M
Ω
±
(1.0% r 2 digits)
Resistance
20M
Ω
0.01M
Ω
±
(3.0% r 5 digits)
-58 to 518
°
F 1
°
F
Temp
(IR)
-50 to270
°
C 1
°
C
±
2.0% reading or
±
2
°
C,
±
4
°
F
NOTE:
Accuracy specifications consist of two elements:
•
(% reading) – This is the accuracy of the measurement circuit.
•
(+ digits) – This is the accuracy of the analog to digital converter.
Diode Test
Test current of 0.3mA maximum,
open circuit voltage 1.5V DC typical
Continuity Check
Audible signal will sound if the
resistance is less than 150
Ω
(approx.), test current <0.7mA
IR Spectral response
6 to 16µm
IR Emissivity
0.95 fixed
IR distance ratio
8:1
Input Impedance
>7.5M
Ω
(VDC & VAC)
AC Response
Average responding
ACV Bandwidth
50Hz to 1kHz
Display
2000 count backlit liquid crystal
Overrange indication
“OL” is displayed
Auto Power Off
15 minutes (approximately)
Polarity
Automatic (no indication for
positive); Minus (-) sign for negative
Measurement Rate
2 times per second, nominal
Low Battery Indication
“ ”
is displayed if battery voltage
drops below operating voltage