디지털 멀티미터 DT4221 [히오키]
· 안전성이 높고 컴팩트한 경량 설계
· 테스트 리드를 본체 뒷면 판넬에 감을 수 있어 편리
· DCV:기본 정확도±0.5%, ACV: 40~1kHz의 넓은 주파수 커버가능
· 로우패스 필터(100Hz/500Hz) 고조파 CUT (인버터의 기본파 성분 측정)
· 안전을 위해 전류측정 기능 제거
· -10℃~50℃의 넓은 사용 온도 범위
Basic specifications
| DC Voltage |
600.0 mV to 600.0 V, 4 ranges, Basic accuracy: ±0.5 % rdg. ±5 dgt. |
AC Voltage
40 to 500Hz |
6.000 V to 600.0 V, 3 ranges, Frequency characteristics: 40 Hz - 1 kHz
Basic accuracy: ±1.0 % rdg. ±3 dgt. (True RMS, crest factor 3) |
| Resistance |
Not available |
| C (capacitance) |
1.000 nF to 100.0 mF, 9 ranges, Basic accuracy: ±1.0 % rdg. ±5 dgt. |
| Continuity Check |
Continuity threshold [ON]: 20 Ω or less (buzzer sound), [OFF]: 250 Ω or more
Response time: 0.5 ms or more |
| Frequency |
AC V measurement: 99.99 Hz (5 Hz or more) to 50.00 kHz, 4 ranges
Basic accuracy: ±0.1 % rdg. ±2 dgt. |
| Diode test |
Open terminal voltage: 2.5 V or less, Testing current 0.5 mA or less, Threshold of forward voltage: 0.15 V to 1.5 V |
| Voltage Detection |
80 V to 600 V AC |
| Other functions |
Filter function, Display value hold, Relative 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: 0.5 to 2 times/s, depending on measured value, Frequency: 2 time/s ) |
| Power supply |
LR03 alkaline batteries ×4, Continuous use: 40 hours (back light 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) (with batteries and holster) |
| Accessories |
TEST LEAD DT4911 ×1, Holster ×1, Instruction Manual ×1, LR03 Alkaline Battery ×4 |
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[계측기류] 디지털 멀티미터 DT4221 [히오키] 
