HT21 Multimeter

HT Instruments - HT21

HT21 model is a compact digital multimeter in complete autorange designed to perform basically voltage AC/DC measurements up to 600V, more than resistance, continuity test, diode test, frequency, capacitance and duty cycle. The meter is in compliance with IEC/EN 61010-1 safety standard with double insulation protection in CAT III 600V. HT210 have a large LCD backlight display and each measurement function can be selected with a rotative selector at 5 positions. Other features are HOLD function and REL for relative measurement. An AutoPowerOff function is integrated to preserve the internal battery after 30 minutes of idleness.

  • Max Current (A): 0 (AC), 0 (DC)
  • Max Voltage (V): 600 (AC), 0.0006 (DC)
  • Max Resistance (Ω): 40 (AC)
  • Capacitance Measurement: Yes
  • Temperature Measurement: None
  • Frequency Measurement: Yes
  • Transistor Test: None
  • Continuity: Yes
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HT Instruments HT401

Max Current (A): 10 (AC), 10 (DC)

Max Voltage (V): 1000 (AC), 0.001 (DC)

Max Resistance (Ω): 40 (AC)

Capacitance Measurement: Yes

Temperature Measurement: Yes

Frequency Measurement: Yes

Transistor Test: None

Continuity: Yes

HT Instruments HT62L

Max Current (A): 10 (AC), 10 (DC)

Max Voltage (V): 1000 (AC), 0.001 (DC)

Max Resistance (Ω): 0 (AC)

Capacitance Measurement: None

Temperature Measurement: None

Frequency Measurement: None

Transistor Test: None

Continuity: Yes

HT Instruments HT410

Max Current (A): 10 (AC), 10 (DC)

Max Voltage (V): 1000 (AC), 0.001 (DC)

Max Resistance (Ω): 30 (AC)

Capacitance Measurement: Yes

Temperature Measurement: Yes

Frequency Measurement: Yes

Transistor Test: None

Continuity: Yes

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