Products Catalog

Specification

Identify noise in communication and power lines :

- Non-contact type voltage sensor
- Frequency range measurement between 500 Hz and 30 MHz
- Display of level meter using a large LCD
- Long-term monitoring by using the logging function

3144-20 Specifications :

Input unit configuration : 9741 dedicated input terminal, BNC input terminal
(9741 takes priority)
Measurement range : × 1 range 0 dBV(1V) f.s. (0 dBV to -30 dBV)
× 10 range -20 dBV(0.1V) f.s. (-20 dBV to -50 dBV)
Frequency range band : 500 Hz to 30 MHz, separated into 7 ranges (-3 dB range)
Detection method : RMS value conversion
Detection precision : 500 Hz to 1 MHz or less ±1.5 dBV
1 MHz to 30 MHz ±2.0 dBV
Monitoring function : Display of measurement voltage level of each frequency range in levels on LCD (2.5 dBV/SEG equivalent)
Logging function : Measurement data and time saved to internal memory according to specified recording interval
Recording interval : 1/2/5/10/20/30 seconds, 1/2/5/10/20/30/60 minutes
Output function : Waveform monitoring : Output of input singnal coming from 9741 dedicated input or BNC input
Audible range monitoring : Output of detection signal envelope Monitoring wiht supplied earphone possible
Power supply : AA alkaline(LR6) batteries × 6, Continuous use 5 hours, included AC Adapter
Dimensions, mass : 98 mm (3.86 in)W × 179 mm (7.05 in)H × 46 mm (1.81 in)D, 430 g (15.2 oz)
Accessories : CLAMP ON VOLTAGE SENSOR 9741 (1), AC adapter 9445-02 (UL) or AC adapter 9445-03 (CEE)(1), Carrying case(1), PC application software CD-R(1), USB cable(1), strap(1), earphone(1), AA alkaline(LR6) batteries(6)