
Đồng hồ vạn năng Hioki DT4222 (True RMS)
Thông số kỹ thuật:
Đồng hồ vạn năng Hioki DT4222
DCV: 600.0 mV đến 600.0 V /±0.5 % rdg ±5 dgt.
ACV (true RMS): 6.000 V đến 600.0 V /±1.0 % rdg ±3 dgt
Điện trở: 600.0 Ω đến 60.00 MΩ /±0.9 % rdg ±5 dgt.
Tụ điện C: 1.000 μF đến 10.00 mF /±1.9 % rdg ±5 dgt.
Tần số: 5 Hz đến 9.999 kHz /±0.1 % rdg ±2 dgt.
KT diode, liên tục,
Hiển thị :4-digits LCD, max. 6000 digits, bar graph
Nguồn: pin LR03 alkaline ×4,
Hoạt động: 40 giờ (back light OFF)
Kích thước, trọng lượng:72 mmW × 14 9 mm H× 38 mm D,190 g
Cung cấp kèm theo: dây đo DT4911 ×1, vỏ cao su bảo vệ ×1, hướng dẫn sử dụng×1, 4 pin LR03 Alkaline
Hãng sản xuất: Hioki
Xuất xứ: Nhật
Bảo hành: 12 tháng


Đồng hồ vạn năng Hioki DT4222 (True RMS)
Basic specifications (Accuracy guaranteed for 1 year) |
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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 | 600.0 Ω to 60.00 MΩ, 6 ranges, Basic accuracy: ±0.9 % rdg. ±5 dgt. |
C (capacitance) | 1.000 μF to 10.00 mF, 5 ranges, Basic accuracy: ±1.9 % rdg. ±5 dgt. |
Frequency | 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 | 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 | N/A |
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: 0.05 to 5 times/s, depending on measured value, Frequency: 1 to 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 |

