View source for PeakTech 4370

{{Infobox multimeter
| image           = [[File:Peaktech 4370 device front.png|180px]]
| name            = PeakTech 4370
| status          = supported
| source_code_dir = serial-dmm
| counts          = 2000
| categories      = CAT II (1000V)
| connectivity    = RS232
| measurements    = voltage, current, frequency, hFE, logic, continuity, diode, resistance, temperature, capacitance
| features        = data hold, min/max, 10 reading memory
| website         = 
}}

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

This is a rebadged [http://web.archive.org/web/20090221062108/http://imetex.com/html/product/product_model_detail.asp?idx=19 Metex M-3640D] multimeter.

== Hardware ==

* '''3 1/2 digit ADC with bandgap reference''': [http://www.maxim-ic.com/datasheet/index.mvp/id/1288 Maxim MAX130CPL] ([http://datasheets.maxim-ic.com/en/ds/MAX130-MAX131.pdf 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
* '''?''': [http://www.intersil.com/content/intersil/en/products/timing-and-digital/counters-time-base-ics/counter-time-base-ics/ICM7555.html Intersil ICM7555CBA] ([http://www.intersil.com/content/dam/Intersil/documents/fn28/fn2867.pdf datasheet]) (marking: "7555 CBA P136FAM")
* '''Quad analog switch/quad multiplexer''': [http://www.onsemi.com/PowerSolutions/product.do?id=MC14066B ON Semiconductor 14066B] ([http://www.onsemi.com/pub/Collateral/MC14066B-D.PDF datasheet]) (marking: "14066B PBV139")
* '''?''': New Japan Radio (JRC) NJU4011B (marking: "NJU4011B JRC A1015H")
* '''Low level, True RMS-to-DC converter''': [http://www.analog.com/en/special-linear-functions/rms-to-dc-converters/ad636/products/product.html Analog Devices AD636JH] ([http://www.analog.com/static/imported-files/data_sheets/AD636.pdf datasheet]) (marking: "AD 636JH 0122")

== Photos ==

'''Multimeter''':

<gallery>
</gallery>
TODO.

'''RS232 cable:'''

See [[Device_cables#Metex_5-pin_RS232_cable]].

== Protocol ==

See [[Multimeter_ICs#Metex_14-byte_ASCII]].

== Resources ==

TODO.

[[Category:Device]]
[[Category:Multimeter]]
[[Category:Supported]]