PeakTech 4370

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PeakTech 4370
Peaktech 4370 device front.png
Status supported
Source code serial-dmm
Counts 2000
IEC 61010-1 CAT II (1000V)
Connectivity RS232
Measurements voltage, current, frequency, hFE, logic, continuity, diode, resistance, temperature, capacitance
Features data hold, min/max, 10 reading memory

The PeakTech 4370 is a 2000 counts, CAT II (1000V) handheld digital multimeter with RS232 connectivity.

This is a rebadged Metex M-3640D multimeter.

Hardware

  • 3 1/2 digit ADC with bandgap reference: Maxim MAX130CPL (datasheet) (marking: "Maxim MAX130CPL 0138-3 C10039")
  • ?: Metex KS57C2016 (possibly a Samsung KS57C2016 4-bit microcontroller with custom Metex firmware?) (marking: "Metex 95D3 KS57C2016-13 013D 95D3")
  • ?: 4.1856MHz crystal (?)
  • ?: 14027B PBD005
  • ?: 2x 0138 817B Y
  • ?: OP-07 1035B JRC
  • ?: Intersil ICM7555CBA (datasheet) (marking: "7555 CBA P136FAM")
  • Quad analog switch/quad multiplexer: ON Semiconductor 14066B (datasheet) (marking: "14066B PBV139")
  • ?: New Japan Radio (JRC) NJU4011B (marking: "NJU4011B JRC A1015H")
  • Low level, True RMS-to-DC converter: Analog Devices AD636JH (datasheet) (marking: "AD 636JH 0122")

Photos

Multimeter:

TODO.

RS232 cable:

See Device_cables#Metex_5-pin_RS232_cable.

Protocol

See Multimeter_ICs#Metex_14-byte_ASCII.

Resources

TODO.