Digital Multimeter

Useful for any stereo type, and inexpensive

$14.85
RRP $17.60
SAVE $2.75 (16%)

SKU: peDT832

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3-1/2 Digit 19 Range Digital Multimeter with Transistor Test

This digital multimeter is a compact, light tool - a bargain if you need something inexpensive and reliable. The heart of the instrument is the ICL7106 IC coupled with a large 3-1/2 digit, 7 segment, 0.5" high LCD display with a maximum reading of 1999. Includes 9V battery. The unit can measure DCV (0.1mV - 1000V), ACV (0.1V - 750V), DCA (0.1mA - 10A), Ohm (0.1O - 2Mohm) diode forward voltage drop and hFE for bipolar PNP and NPN transistors.


AC voltage measurement
  • Connect the red lead to "VOmA" jack and the black test lead to the "COM" jack.
  • Set the rotary switch at the desired V~ position.
  • Connect the test leads across the source or load being you want to measure and read the voltage value on the LCD display.

DC voltage measurement

  • Connect the red test lead to the "VOmA" jack and the black test lead to the "COM" jack.
  • Set the rotary switch at the desired position. If the voltage to be measured is not known, set the range switch at the highest range position and then reduce it until a satisfactory resolution is obtained.
  • Connect the test leads across the source or load being measured. Read the voltage value and polarity on the LCD display.

DC current measurement

  • Connect the red test lead to the "VOmA" jack and the black lead to the "COM" jack. For measuring currents between 200mA and 10A, insert the red lead into the "10A” (unfused) jack.
  • Set the rotary switch at desired position.
  • Open the circuit in which the current is to be measured, and connect test leads in series with the circuit.
  • Read the current value on the LCD display along with the polarity of red lead connection.

Resistance measurement

  • Connect the red test lead to "VOmA" jack and the black lead to "COM" jack. The polarity of red lead is positive "+" in this mode.
  • Set the rotary switch at desired range position.
  • Connect the test leads across the resistance to be measured and read the LCD display.
Note: If the resistor being measured is connected to a circuit, turn off power and discharge all capacitors before applying measurements!

Transistor Test

Before attempting to insert transistors into the socket for testing, always be sure that test leads have been disconnected from any measurement circuits. Also, components should not be connected to the hFE socket when making voltage measurements with the test leads!

  • Set the rotary switch to the "hFE" position.
  • Determine whether the transistor under testing is NPN or PNP type and locate the emitter, base and collector leads.
  • Insert the leads into the proper holes of the hFE socket on the front panel.
  • The multimeter will show the approximate hFE value at the condition of base current 10µA and a Vce of 3V.

Diode test

  • Connect the red test lead to "VOmA" jack and the black lead to the "COM" jack. The polarity of red lead is positive "+".
  • Set the rotary switch at the diode test position.
  • Connect the red lead to the anode of the diode to be tested and the black lead to the cathode of the diode.
  • The forward voltage drop of the diode will be displayed in mV. If the connection is reversed, only figure "1" should be displayed for a good diode.
  • Battery and fuse replacement

If the sign "BAT" appears on the LCD display, it indicates that the battery is old and should be replaced. Loosen the screws on the back cover and open the case. Replace the exhausted battery with a new one of the same type (9V 6F22 or NEDA 1604). To replace the fuse it's easy and should be replaced with a battery of the same ratings (F250mA/250V).

The unit has a wide operating temperature: -20°C to 75°C (32°F to 104°F) and a storage temperature of: -10°C to 50°C (10°F to 122°F). The accuracy is guaranteed to stay in the following limits for 1 year, when used at 23°C ±5°C, less than 75% relative humidity: AC voltage

Frequency range: 45 Hz to 450 Hz. Response: Average responding, calibrated in RMS of a sine wave. 
Range Resolution Accuracy
200V 100mV ±1.2% of rdg ± 10 digits
750V 1V ±1.2% of rdg ± 10 digits
Note: some models have a maximum input voltage of only 600V AC with an overload protection of 600V DC or RMS AC for all ACV ranges. 

DC voltage

Range Resolution Accuracy
200mV 0.1mV ±0.5% of rdg ± 2 digits
2000mV 1mV ±0.5% of rdg ± 2 digits
20V 10mV ±0.5% of rdg ± 2 digits
200V 100mV ±0.5% of rdg ± 2 digits
1000V 1V ±0.8% of rdg ± 2 digits
Input impedance: 1MO
Maximum input voltage: 1000V DC or 750V rms (200mV scale: 500V DC or 350V AC rms) Note: some models will have a maximum DC input voltage of only 600V with an overload protection of 250V RMS AC for the 200mV range and 600V DC or RMS AC for other ranges.

DC current

Overload protection: F250mA 250V fuse (10A range is unfused!).

Range Resolution Accuracy
200µA 0.1µA ±1.0% of rdg ± 2 digits
2000µA 1µA ±1.0% of rdg ± 2 digits
20mA 0.01mA ±1.0% of rdg ± 2 digits
200mA 0.1mA ±1.5% of rdg ± 2 digits
10A 10mA ±3.0% of rdg ± 2 digits

Resistance

Maximum open circuit voltage: 3.2V
Overload protection: 250V rms. AC on all ranges.
Range Resolution Accuracy
200O 0.1O ±0.8% of rdg ± 3 digits
2000O 1O ±0.8% of rdg ± 2 digits
20KO 10O ±0.8% of rdg ± 2 digits
200KO 100O ±0.8% of rdg ± 2 digits
2000KO 1KO ±1.0% of rdg ± 2 digits

Other specs

Diode aprox. testing voltage is 2.8V with a current of 1mA. The overload protection in the diode test mode is 250V RMS. AC.
Over range indication: figure "1" on the display.
Size: 126 × 70 × 25 mm
Weight: 170g

(peDT832)

SKU peDT832
Shipping Weight 0.2000kg
Shipping Width 0.100m
Shipping Height 0.040m
Shipping Length 0.135m
Shipping Cubic 0.000540000m3

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