Datasheet

8.Technical Data
8.1. Specifications
Display
TFT-LCD-display with max display of
6000
Overload protection
on all ranges
Operating Temperature
0...40°C < 75 % RH
Storage Temperature
< 2000 m max.
Altitude
-10...+60°C < 80 % RH
Accuracy temperature
18...28°C
8.2. General Specifications
Enclosure
Double molded, waterproof
Shock (Drop Test)
6.5 feet (2 meters)
Diode Test
Test current of ca.1 mA (P3444 /
3445) / 1.5mA (P3443), open circuit
voltage 3V (P3444 / 3445) /
2.7V (3443) typical
Continuity Check
Audible signal will sound if the
resistance is less than 30 
Temperature Sensor
Requires type K thermocouple
Input Impedance
>10M ACV/DCV
ACV Bandwidth
40Hz ~ 400Hz
Overrange indication
“OL.” is displayed
Auto Power Off
approx 15 min
Polarity
Automatic (no indication for
positive); Minus (-) sign for negative
Measurement Rate
3 times per second, nominal
8.2.1 Extended Specifications for P3444 / 3445
Input Impedance LowZ
~ 3 k
AC Measurement
True RMS
ACV Bandwidth
40Hz to 1000Hz
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