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Bench Digital Multimeter with RS232 Interface RSR Bench MultiMeter

by RSR

Price: CDN$ 392.02
Only 6 left in stock.
Ships from and sold by UrbanInspirations. Gift-wrap available.
5 new from CDN$ 375.49
  • 3-3/4 (3999) count) large LCD display with back light.
  • Bar graph display - 42 segment
  • True RMS for AC voltage/current
  • RS232C standard interface - software included
  • Data hold, min/max relative measuring, storage data
See more product details

Product Information

Technical Details
Part Number01DM9803R
Item Weight1.5 Kg
Product Dimensions23.8 x 23 x 8.3 cm
Item model number01DM9803R
Weight1.5 kilograms
Length23.8 centimeter
Width23 centimeter
Height8.3 centimeter
Additional Information
Customer Reviews Be the first to review this item
Shipping Weight2.3 Kg
Date First AvailableJuly 24 2012
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Product Description

Specifications: DCV:0-400m-4-40-400-1kV±0.3% ACV:0-4-40±0.8%-400-750V±1.2%(40Hz-1kHz) DCA:0-4m-40m-400m±0.8%-10A±2.0%(20A for 30 Sec.) ACA:0-4m-40m-400m±1.5%-10A±2.0%(20A for 30 Sec.) R:0-400-4k-40k-400k±0.5%-4M±1.0%-40Mohm±1.5% CAP:0-4n-40n-400n-4u-20±2.0%-40uF±5.0% Frequency:0-100-1k-10k-100k-1MHz±0.1% Audible continuity:<50ohm Diode Test:0.6mA,0.3V Test leads, Power cord, RS232C cable, software and carrying strap are included.

Customer Reviews

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Most Helpful Customer Reviews on (beta) HASH(0xa727e84c) out of 5 stars 10 reviews
13 of 13 people found the following review helpful
HASH(0xa7176db0) out of 5 stars Sinometer M9803R Multimeter -- a Good Value! April 9 2011
By Rick Lindquist - Published on
This bench-style multimeter was only a bit more expensive than the hand-held unit I purchased (elsewhere) that failed to work out of the box. It offers a great deal for the price. Other reviewers already have mentioned some of its features. On the plus side (in no particular order):

(1) Lightweight
(2) Backlighted display
(3) Convenient form factor, and it has a fold out stand, which I find necessary.
(4) Compartments for either AA or 9V batteries are a nice touch, as is the hatch on top to stow the probes and cables.
(5) The display is clear and easy to read, although it provides limited visibility when viewed from above at an angle of perhaps 60 degrees (it offers sufficient lateral visibility).
(6) Carrying handle is, well, handy.
(7) Measures capacitance and frequency in addition to the usual suspects
(8) Auto-ranging
(9) Faux analog meter
(10) RS-232 port/cable to link with computer (some serial-to-USB adapters may not work with this device; this is typically a driver issue)

On the minus side (also in no particular order):

(1) Insubstantial (cheesy) and unusable probes. These could even be a safety hazard around high voltages. I had a professional set on hand that I am using with the M9803R.
(2) No marker on the FUNCTION/RANGE SELECTOR knob, so you can tell which setting it's pointing to. I corrected this by daubing a line of red model paint in the appropriate groove.
(3) The beep, for making continuity checks, for example, is not loud enough!
(4) Tiny little Philips screw to access the battery compartment
(5) No auto shutoff
(6) "Chinglish" Users Manual -- One of my faves: "The Continuity Measurement is always fixed the range." Hey, Honey. I fixed the range! When's supper?
7 of 7 people found the following review helpful
HASH(0xa717612c) out of 5 stars As advertised Aug. 17 2008
By R. Lucca - Published on
Verified Purchase
This multimeter does everything as advertised, it also operates plugged to the 120 VAC outlet or use 6 AA batteries, and or a single 9 Volt batt (has space and connection for both at the same time) .
The software runs on Windows 98/NT/ME/2000/XP but I have Vista and have no problem. RS232 output is a serial port, so I use a KEYSPAN adapter to connect to a USB port and run seamless (sold by Amazon too).
The software is to record the actual reading at interval time from 1 second to 3600 seconds. I use to monitors the RMS voltage of my power generator for 6 hours and gave me a graphics too. Exporting to Excel is in csv format, that is why I didn't give a 5 star.
Solid construction, accurate for the bench work, and also portable. I use a strap that came with it to hang in front of me, and leave both hands free to test vertical electric control panels on the field.
6 of 6 people found the following review helpful
HASH(0xa7265a50) out of 5 stars Damn good meter Aug. 30 2008
By Stephen M. Packard Jr. - Published on
Just a very good, featureful and reliable multimeter. It works great with or without a PC. Auto ranging is great and if you leave the dial turned on without doing anything it'll eventually shut off to save the battery. You can also plug it in and it has a nice compartment in the side to hold the test leads, power cord etc.

It's a little bulky if you're primary intention is to use it for portable on-the-go stuff. But it works well either on the bench or as a portable unit otherwise.

Excellent for the price. You'd generally have to pay more for something comparable.
6 of 7 people found the following review helpful
HASH(0xa807d564) out of 5 stars Good meter, weak manual, worthless test leads Oct. 11 2011
By Ken Smith - Published on
The meter its self appears to rate about 5 stars.

The manual is short on some specifics. The worst area is the RS232 output.

The meter leads almost had me ready to box it up and send it back. They didn't make contact with the meter. As a result when I went to do a quick check that it would measure a resistor, it simply showed open circuit. Somebody sure saved a lot of money on those leads. If you buy this meter buy some leads that have real banana plugs on the meter end or buy some good bananas and retrofit the leads. As they stand, the leads can't be used.

I found the source code from someone who figured out the weird RS-232 format. Don't expect just ASCII numbers directly from the meter. It is a funny unpacked BCD format at 9600 BAUD.
3 of 3 people found the following review helpful
HASH(0xa6fa6ad4) out of 5 stars Mastech M-9803R True RMS - High Accuracy Bench DMM Dec 17 2011
By Gordy - Published on
Verified Purchase
Most electronic technicians in the market for a bench type multimeter would probably pay well over $500.00 however, this multimeter at less than $160.00 will do well for any one that works with electronics as a hobby. I worked 25 years for the Federal Government as a Electronics Technician and used the most expensive test equipment available. The multimeters I used were in the thousands of dollars. Years of using such expensive and accurate equipment created an attitude of "nothing less is good enough for any kind of electronics work whether it be as a hobby or making a living. The Mastech M9803R may not even come close the the best or most accurate multimeters however, it IS a decent meter. I have an old Fluke 27/FM and used it as sort of a standard to see how well the Mastech M9803R stood up against it. I found the Mastech M9803R to be just as accurate. I would have liked to buy another Fluke but, like most people I did not want to reach that deep into my pocket. If you were in the business of repairing electronic equipment for a living, then yes a Fluke or other top brand names would be best.

Would I buy another one? YES YES and YES.