Review: Sanwa PC7000 Multimeter Pt 2

View all my tutorials and videos: https://www.youtube.com/user/mjlorton...
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This is a review of the Sanwa PC7000 Multimeter.

A link to the Sanwa and some of the other meters on my Amazon Store: http://astore.amazon.com/m0711-20?nod...

Meter details:
http://overseas.sanwa-meter.co.jp/ite...

■4 to 4.5 digits 50000 count
(Selectable 5-4 / 5 digits 500000 count for DCV)
■Dual Display shows voltage/current and its
frequency, and AC components and DC
components of voltage/current
■AC True RMS
■Low-pass filter for variable frequency drive(VFD) 　circuit
■Current (mA / μA) %4-20mA measurement
■Capture (peak hold) 0.8ms in duration
■MAX, MIN, AVE recording mode
■K type temperature -50℃〜1000℃
※Optional accessory K-AD is necessary.
※K type temp. sensor K-250PC is included as a standard accessory.
■Frequency measurement (AC sine wave only)
■Logic frequency measurement, duty cycle
measurement
■Conductance measurement
■Dual display with backlight
■Data hold, Range hold
■Relative value
■Auto power saving mode (30min.) (cancelable)
■Optical Link USB interface (optional)
Display : numeral display 50000 & 500000 selectable, bar graph 41 segments
Sampling rate : 5 times/sec. for 50000 count, 1.25 times/sec. for 500000 count, 60 times/sec. for bar graph
Battery life : Approx. 100h (alkaline battery) at DCV range

Info on some of the IC's:

74HC4053D - Triple 2-channel analog multiplexer/demultiplexer:
http://www.nxp.com/products/logic/ana...

MCP6021 - operational amplifier (op amp) :
http://www.microchip.com/wwwproducts/...

AD737J - RMS-to-DC-Converter:
http://www.digchip.com/datasheets/par...

HT7660 - CMOS Switched-Capacitor Voltage Converter:
http://www.holtek.com/chinese/docum/c...

REF43G - +2.5 V Low Power Precision
Voltage Reference:
http://www.analog.com/static/imported...

OP2177 - Precision Low Noise, Low Input Bias Current Dual Op Amp:
http://www.analog.com/en/all-operatio...

S24CS01 - 2-Wire CMOS Serial EPROM :
http://www.ic-on-line.cn/view_downloa...\s24cs01a_561685.pdf

062D JCR - OPAMP
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