UEi Handheld DMM # DM-383B, retail $61.95* (www.ueitest.com...)
Manufactured by UEi (www.ueitest.com)
Last updated 03-08-10

This product does not emit light of its own (much like this spectrometer and this spectrometer too), so the standard review format will not be used and the product will be assigned a rating at once. A very high rating too, as during the time I've had it, it has thus far performed flawlessly.

The UEi Handheld DMM # DM-383B is...what else...a handheld DMM (Digital MultiMeter). Its purpose is to allow you to measure common electrical parameters such as volts, amperes, and resistance (in ohms).

It provides its readings on a generous, easy-to-read LCD display -- there is no backlight however, so you'll require sufficient illumination (light) in the test area to read this meter.

This DMM has a tilt bail on the back; this allows the meter to be stood up quite securely so that its display may be read and still leave you with both hands free to manipulate the meter probes.

Although the UEi website indicates that this DMM has a lighted "EasyView Display", this version of the DM-383B does not -- perhaps mine is an earlier model and the "EasyView Display" is a recent addition.

This DMM has a very substantial and not-at-all-cheap feel to it; in my opinion, this is what a decent DMM *SHOULD* feel like.

* This price was found at one online retailer; the meter may cost a bit more or less than this depending on where you purchase.

From the UEi website, comes the following information about this meter:

• 750 Volts AC and 1000 Volts DC
• 10 Amps AC and DC
• Resistance to 40 Megohms
• Diode check function
• Continuity
• 3¾" Digit, 4000 count display
• Max capture mode
• Data hold
• On-screen range and function indicators
• CE and UL listed 600V CAT III

 Size of product w/hand to show scale SIZE

Here is the instructional material for this DMM.
This is a .PDF file; you'll need Adobe Acrobat or other .PDF reader installed in order to access it.

To install a new battery, follow these procedures:

1. Turn off the meter.

2. Remove the rubber boot from the meter, starting at the top.

3. Place meter face down on a clean cloth.

4. Remove the screws from the rear case. Two machined screws fasten the bottom and two self-tapping screws fasten the top.

5. Seperate the two halves to expose the battery.

6. Remove and dispose of or recycle the old battery.

7. Place a fresh 9V battery in the battery clip.

8. Reassemble the meter.

To use the meter, plug the black test lead into the second receptacle from the lower right of the meter's body (labelled "COM"), and plug the red test lead into the receptacle directly to its right (except when measuring current).

Turn the large dial on the meter to the setting you want:
DCV (DC volts), ACV (AC volts), resistance (in Ω {ohms}), etc.
Press & release that green button on the meter's body (this turns the instrument on) and measure.

To measure current up to 400mA, move the red test lead to the receptacle directly to the left of the black "COM" receptacle; this one is labelled "mAµA". And to measure current over 400mA, move the red test lead to the receptacle at the far left (still near the bottom of the meter). Turn the dial to the appropriate range (volts DC, volts AC, milliamps DC, milliamps AC, amps DC, amps AC, or ohms & continuity).

When you are finished, press & release that green button again to turn the meter off.

Photograph of the meter's display.

Video clip on YourTube; made mainly to demonstrate the audio (sound) the meter emits during a successful continuity test. The video component was left in place so that you can see the display change as the audio tone sounds. In this case, continuity was established by touching the two meter probe tips together.

This clip is approximately 0.852345634 megabytes (970,042 bytes) in length; dial-up users please be aware.
It will take no less than four minutes to load at 48.0Kbps.

Unit was obtained at a totally unknown time (early-2000s?) and was probably something that was donated by a fan of this website. If this was you, please pipe up so that I can properly acknowlege you here (as is the norm on this website, your name and email address will of course be omitted to help protect your privacy).

It is not known where the product was manufactured.
A product's country of origin really does matter to some people, which is why I wanted to publish it on this web page.

UPDATE: 00-00-00

    PRODUCT TYPE: Handheld DMM
    No. OF LAMPS: N/A
    CASE MATERIAL: Plastic
    BEZEL: N/A
    BATTERY: 1x 9 volt transistor radio battery
    CURRENT CONSUMPTION: Unknown/unable to measure
    ACCESSORIES: Test leads, possibly a battery
    WARRANTY: 5 years


    Star Rating

UEi Handheld DMM * www.ueitest.com...

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