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Hioki
Hioki Networking Testers
Add part number 3144-20 to your Quote. 3144-20 Noise Search Tester
Overview
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
CE
Basic 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 9741 CLAMP ON VOLTAGE SENSOR(1), 9445-02 AC adapter(UL) or 9445-03 AC adapter(CEE)(1), Carrying case(1), PC application software CD-R(1), USB cable(1), strap(1), earphone(1), AA alkaline(LR6) batteries(6)
3144-20 product catalog.pdf (508 KB) Back