มัลติมิเตอร์แบบดิจิตอล
Digital Multimeter รุ่น DT4221
คุณลักษณะ
เป็นมัลติมิเตอร์แบบดิจิตอล True RMS จอแสดงผลใหญ่อ่านค่าได้ชัดเจน 6000 Counts การใช้งานยาวนาน
CAT III 600V
คุณสมบัติ
| มัลติมิเตอร์แบบดิจิตอล | รุ่น DT4221 |
|---|---|
| DC Voltage | 600.0 mV to 600.0 V, 4 Ranges, Basic Accuracy : ±0.5 % rdg. ±5 dgt. |
| AC Voltage | 40 to 500 Hz 6.000 V to 600.0 V, 3 ranges, Frequency Characteristics : 40 Hz - 1 kHz |
| C (Capacitance) | 1.000 nF to 100.0 mF, 9 Ranges, Basic Accuracy : ±1.0 % rdg. ±5 dgt. |
| Frequency | AC V Measurement : 99.99 Hz (5 Hz or More) to 9.999 kHz, 3 Ranges |
| 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 | 80 V to 600 V AC |
| 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 ×1, Continuous Use : 40 Hours (Back Light OFF) |
| Power Supply | LR6 Alkaline Batteries ×2, R6P Manganese Batteries ×2 |
| Dimensions and Mass | 72 mm (2.83 in) W × 149 mm (5.87 in) H× 38 mm (1.50 in) D |
| Weight | 190 g (6.7 oz) (With Batteries and Holster) |
| Accessories | Test Lead DT4911 × 1, Holster × 1, Instruction Manual × 1, LR03 Alkaline Battery ×1 |
