Average Reviews:
(More customer reviews)I received this unit today and have been testing various power sources, both DC & AC for the last hour. Sometimes it works perfectly and properly presents the appropriate voltage, other times it just starts counting up or down, still other times it does nothing.
Testing the household outlets was the last straw. Voltage fluctuated slightly, but some sockets, that are known to be good, showed no voltage at all, even after many attempts. That's inexcusable. When a meter is off checking AA batteries, it's not a big deal. A person could get killed if the meter doesn't function properly when testing 110VAC power wires and outlets. I can't trust this unit, so back to the dealer it goes.
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Product Description:
The newly released Mastech MS8229 DMM is an improved and modified version of the widely praised Mastech MS8209, it combines a multimeter, a sound level meter, thermometer, luxmeter, humidity meter all in one. Also it is packed with many nice features such as temperature & humidity display, sound and light warning for the jacks and back-lit LCD Screen.Specifications: DCV: 400m/4/40/400/1000V, +/- 0.7%, ACV: 400m/4/40/400 +/- 0.8% 750V, +/- 1.0%, DCA: 400µ/4m/40m/400m +/- 1.2%4/10A, +/- 2.0% ACA: 400µ/4m/40m/400m +/- 1.5 % 4/10A, +/- 3.0%, Resistance: 400/4K/40K/400K/4M +/- 1.2% 40M, +/- 2.0%, Capacitance: 40n/400n/4m/40m/100mF ±3.0%, Frequency: 10/100/1K/10K/100KHz/200KHz ± 2.0%, >200KHz,reference only, Temperature: -20 - 1000 degrees C (0?1,800 degrees F ) +/- 3.0% (C/F selectable) RH: 20?95%, +/- 5.0%, Lux: 4,000/40,000 Lux, +/- 5.0%, Sount dB: 40 ? 100dB, +/- 3.5% @ 94dB, Diode test, Continuity tester: Buzzer if resistance is less than 40 ohms. Duty cycle: 0.1%-99.9% ± 3.0%. Dimensions and Weight: 195 x 92 x 55mm, 400g. Battery: 1.5 x 3 AAA.Accessories: Test leads, K-Type thermo probe & User Manual
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