HTC Instruments DM-23 Digital Multimeter

Model number
DM-23

4½-digit (19,999 count) digital multimeter with 20 A AC/DC current, capacitance, frequency, hFE test, data hold and auto power off.

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Key features

  • 4½ digits, 19,999 counts
  • Diode test
  • Anti-shock protection
  • Auto power off
  • Transistor hFE test
  • Data hold
  • Backlight

Specifications

DC voltage
Ranges (resolution)200 mV (10 µV), 2 V (100 µV), 20 V (1 mV), 200 V (10 mV), 1000 V (100 mV)
Accuracy200 mV – 200 V: ±⁠(0.05% of reading + 3 digits); 1000 V: ±⁠(0.1% of reading + 5 digits)
AC voltage
Ranges (resolution)2 V (100 µV), 20 V (1 mV), 200 V (10 mV), 750 V (100 mV)
Accuracy2 V – 200 V: ±⁠(0.8% of reading + 25 digits); 750 V: ±⁠(1.0% of reading + 25 digits)
DC current
Ranges (resolution)200 µA (0.01 µA), 2 mA (0.1 µA), 20 mA (1 µA), 200 mA (10 µA), 20 A (1 mA)
Accuracy200 µA – 20 mA: ±⁠(0.5% + 4 digits); 200 mA: ±⁠(0.8% + 6 digits); 20 A: ±⁠(2.0% + 15 digits)
AC current
Ranges (resolution)20 mA (10 µA), 20 A (1 mA)
Accuracy20 mA: ±⁠(1.5% + 25 digits); 20 A: ±⁠(2.5% + 35 digits)
Resistance
Ranges (resolution)200 Ω (0.01 Ω), 2 kΩ (0.1 Ω), 20 kΩ (1 Ω), 200 kΩ (10 Ω), 2 MΩ (100 Ω), 200 MΩ (10 kΩ)
Accuracy200 Ω: ±⁠(0.2% + 10 digits); 2 kΩ – 200 kΩ: ±⁠(0.2% + 5 digits); 2 MΩ – 200 MΩ: ±⁠(5% + 10 digits)
Capacitance
Ranges (resolution)2 nF (0.1 pF), 20 nF (1 pF), 200 nF (10 pF), 2 µF (100 pF), 200 µF (10 nF)
Accuracy2 nF – 2 µF: ±⁠(3.5% + 10 digits); 200 µF: ±⁠(3.8% + 20 digits)
Frequency
Range (resolution)200 kHz (10 Hz)
Accuracy±⁠(3.0% of reading + 15 digits)
Diode and continuity
DiodeDisplays forward voltage drop; forward current approx. 1 mA, reverse voltage approx. 3 V
ContinuityBuzzer sounds below (30 ± 10) Ω; open-circuit voltage approx. 3 V
Transistor hFE test
Range0 – 1000 (NPN or PNP)
Test conditionsBase current approx. 10 µA, VCE approx. 3 V
General
Power1 × 9 V (6F22)
DimensionsH 185 × W 93 × D 35 mm
WeightApprox. 290 g
AccessoriesTest leads, user manual and battery

Specifications are from the manufacturer's published information. Confirm critical values with us or the datasheet before ordering.