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HTC Instruments DM-97 True RMS Digital Multimeter

HTC Instruments DM-97 True RMS Digital Multimeter

Model number
DM-97

3¾-digit (3,999 count) true RMS auto-ranging digital multimeter with NCV, max/min and relative modes, capacitance to 40 mF, frequency to 30 MHz, duty cycle, temperature and 20 A current. CAT III 600 V.

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Key features

  • 3¾ digits, 3,999 counts
  • True RMS
  • Auto range
  • Data hold, max/min and relative (REL) modes
  • Non-contact voltage (NCV) detection
  • Duty cycle
  • Temperature with TP01 thermocouple
  • Transistor hFE test
  • Auto power off after 15 minutes with alarm buzzer
  • Sampling rate approx. 3 times per second
  • Backlight

Specifications

DC voltage
Ranges (resolution)400 mV (0.1 mV), 4 V (1 mV), 40 V (10 mV), 400 V (100 mV), 1000 V (1 V)
Accuracy400 mV – 400 V: ±⁠(0.5% of reading + 5 digits); 1000 V: ±⁠(1.0% of reading + 5 digits)
AC voltage
Ranges (resolution)400 mV (0.1 mV), 4 V (1 mV), 40 V (10 mV), 400 V (100 mV), 750 V (1 V)
Accuracy400 mV: ±⁠(1.5% + 10 digits); 4 V – 400 V: ±⁠(0.8% + 10 digits); 750 V: ±⁠(1.0% + 10 digits)
DC current
Ranges (resolution)400 µA (0.1 µA), 4000 µA (1 µA), 40 mA (10 µA), 400 mA (100 µA), 4 A (1 mA), 20 A (10 mA)
Accuracy20 A: ±⁠(2.0% + 5 digits)
AC current
Ranges (resolution)400 µA (0.1 µA), 4000 µA (1 µA), 40 mA (10 µA), 400 mA (100 µA), 4 A (1 mA), 20 A (10 mA)
Accuracy400 µA – 4 A: ±⁠(1.5% + 10 digits); 20 A: ±⁠(2.0% + 10 digits)
Resistance
Ranges (resolution)400 Ω (0.1 Ω), 4 kΩ (1 Ω), 40 kΩ (10 Ω), 400 kΩ (100 Ω), 4 MΩ (1 kΩ), 40 MΩ (10 kΩ)
Accuracy400 Ω: ±⁠(0.8% + 5 digits); 4 kΩ – 4 MΩ: ±⁠(0.8% + 2 digits); 40 MΩ: ±⁠(1.2% + 5 digits)
Capacitance
Ranges (resolution)40 nF (10 pF), 400 nF (100 pF), 4 µF (1 nF), 40 µF (10 nF), 400 µF (100 nF), 4 mF (1 µF), 40 mF (10 µF)
Accuracy40 nF: ±⁠(2.5% + 6 digits); 400 nF – 40 µF: ±⁠(2.5% + 5 digits); 400 µF – 40 mF: ±⁠(5.0% + 8 digits)
Frequency
Ranges (resolution)10 Hz (0.001 Hz), 100 Hz (0.01 Hz), 1000 Hz (0.1 Hz), 10 kHz (1 Hz), 100 kHz (10 Hz), 1 MHz (100 Hz), 30 MHz (1 kHz)
Accuracy10 Hz: ±⁠(2.5% + 6 digits); 100 Hz – 10 kHz: ±⁠(2.5% + 5 digits); 100 kHz – 30 MHz: ±⁠(5.0% + 8 digits)
Temperature
Range (resolution)−40 to 1000 °C (1 °C); 0 to 1832 °F (1 °F)
AccuracyBelow 400 °C: ±⁠(0.8% + 4); 400 °C and above: ±⁠(1.5% + 15); below 750 °F: ±⁠(1.0% + 5); 750 °F and above: ±⁠(1.5% + 15)
Transistor hFE test
Range0 – 1000 (NPN or PNP)
Test conditionsBase current approx. 15 µA, VCE approx. 4.5 V
General
Safety categoryCAT III 600 V
Power2 × 1.5 V AAA
DimensionsH 185 × W 93 × D 35 mm
WeightApprox. 290 g
AccessoriesTest leads, sheath, TP01 thermocouple and manual

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

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