HIOKI DIGITAL MULTIMETER DT4221-20, Premier Pocket DMM with CAT IV 300 V, CAT III 600 V Safety

The DT4221 is a pocket-sized digital multimeter designed specifically for electrical work requiring optimal safety, with ±0.5% DC V accuracy and wide 40 Hz to 1 kHz AC V bandwidth.

- Achieving a high level of safety in a compact body and lightweight design
- Resistance and diode testing functions omitted by design in pursuit of added safety (DT4221)
- Voltage detection function (DT4221)
- Robust design capable of withstanding a drop from a height of 1 m
- ±0.5% DC V basic accuracy, wide 40 Hz to 1 kHz AC V frequency characteristics
- Low-pass filter cuts high harmonics (when measuring inverter fundamental waveforms)
- Broad -10°C to 50°C (14°F to 122°F) operating temperature range

Basic specifications

- DC Voltage range: 600.0 mV to 600.0 V, 4 ranges, Basic accuracy: ±0.5 % rdg. ±5 dgt.
- AC Voltage range: 6.000 V to 600.0 V, 3 ranges, Frequency characteristics: 40 Hz - 1 kHz
- Basic accuracy: 40 - 500 Hz : ±1.0 % rdg. ±3 dgt. (True RMS, crest factor 3)
- Resistance range: N/A
- Capacitance range: N/A
- Frequency range: AC V measurement: 99.99 Hz (5 Hz or more) to 9.999 kHz, 3 ranges / Basic accuracy: ±0.1 % rdg. ±2 dgt.
- Continuity check: Continuity threshold [ON]: 25 Ω or less (buzzer sound), [OFF]: 245 Ω or more Response time: 0.5 ms or more
- Diode test: N/A
- Voltage detection: 80 V to 600 V AC
- Other functions: Filter function, display value hold, relative value display, auto-power save
- Display: Main and Sub displays: 4-digits LCD, max. 6000 digits, bar graph
- Display refresh rates: 5 times/s (Capacitance measurement: 0.05 to 5 times/s, depending on measured value, Frequency: 1 to 2 time/s )
- Power supply: LR03 alkaline batteries ×1, Continuous use: 40 hours (backlight OFF)
- Dimensions and mass: 72 mm (2.83 in)W × 149 mm (5.87 in)H× 38 mm (1.50 in)D,190 g (6.7 oz) (including batteries and holster)
- Included accessories: Test lead DT4911 ×1, Holster ×1, Instruction manual ×1, LR03 alkaline battery ×1

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