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.
Enclosure
Double molded, waterproof (IP67)
Shock (Drop Test)
6.5 feet
(2 meters)
Diode Test
Test current of 0.9mA maximum, open circuit
voltage 2.8V DC typical
Continuity Check
Audible signal will sound if the resistance is less
than 100
Ω
(approx.), test current <0.35mA
Temperature Sensor
Requires type K thermocouple
Input Impedance
>10M
Ω
VDC & >10M
Ω
VAC
AC Response
True rms
ACV Bandwidth
40Hz to 1000Hz
Crest Factor
≤
3 at full scale up to 500V, decreasing linearly
to
≤
1.5 at 1000V
Display
6,000 count backlit liquid crystal with bargraph
Overrange indication
“
OL
” is displayed
Auto Power Off
15 minutes (approximately) with disable feature
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
Battery
One 9 volt (NEDA 1604) battery
Fuses
mA, µA ranges; 0.8A/1000V ceramic fast blow
A range; 10A/1000V ceramic fast blow
Operating Temperature
41
°
F to 104
°
F (5
°
C to 40
°
C)
Storage Temperature
-4
°
F to 140
°
F (-20
°
C to 60
°
C)
Operating Humidity
Max 80% up to 87
°
F (31
°
C) decreasing linearly
to 50% at 104
°
F (40
°
C)
Storage Humidity
<80%
Operating Altitude
7000ft. (2000meters) maximum.
JTM-105a V3.0 10/07
21