Comprehensive test and measurement service provider-Shenzhen Weike Electronic Technology Co.
● The DT4255-20 for safe field operation prevents short-circuit accidents with a current-limiting resistor and a quick-opening type fuse.
● DC V basic accuracy ±0.3%, AC V frequency characteristics 40Hz to 1kHz
● Harmonic removal using low-pass filtering (measurement of fundamental components of inverters)
:: USB communication function for PC measurement (optional)
● Wide operating temperature range: -10℃～50℃.
Accuracy of the DMM
The DMM is described as a representative value for the basic accuracy due to the large number of measurement functions and ranges.
Refer to the sample PDF for the accuracy of each range.
The DMM is described as a representative value for the basic accuracy due to the large number of measurement functions and ranges.
Refer to the sample PDF for the accuracy of each range.
Basic parameters
| dc voltage (Basic accuracy) |
600.0 mV to 1000 V 5 ranges Basic accuracy: ±0.3 % rdg. ±3 dgt. |
|---|---|
| AC Voltage 40~500Hz | 6.000 V~1000 V, 4 ranges, 4 levels of measurement. Frequency characteristics: 40 Hz to 1 kHz Basic accuracy: ±0.9 % rdg. ±3 dgt. (True RMS, crest factor 3 or less) |
| Automatic judgment of AC/DC voltage | there are |
| Power test (50/60Hz) | Hi: AC40 V～600 V Lo: AC80 V to 600 V |
| electrostatic capacitance | 1.000 μF to 10.00 mF, 5 ranges Basic accuracy: ±1.9 % rdg. ±5 dgt. |
| frequency | 99.99 Hz to 99.99 kHz, 4 ranges (depending on minimum sensitivity voltage) Basic accuracy: ±0.1 % rdg. ±1 dgt. |
| conductivity check | Conductivity ON threshold: 25 Ω or less Conductivity OFF threshold: 245 Ω or more, Response time: 0.5 ms or more |
| Diode check | Open circuit voltage: 5.0 V or less Test Current: 0.5 mA, 0.5 mA, 0.5 mA Clockwise threshold: 0.15 V to 1.5 V |
| Other Functions | Filter, Display value hold, Auto hold, Maximum/minimum/average value display, Relative value display, Auto power save, USB communication (option required) |
| demonstrate | 4-digit LCD, max. 6000dgt., bar graph |
| Display update rate | 5 times/s (electrostatic capacitance: 0.05 to 5 times/s depending on measured value, frequency: 1 to 2 times/s) |
| power supply | Alkaline battery No. 7 (LR03) × 4, continuous use time: 130 h (when the backlight is off) |
| Volume and weight | 84W × 174H × 52D mm, 390 g (including battery, protective case) |
| attachment (email) | Test Lead L9207-10 ×1, Protective Case ×1, Instruction Manual ×1, Alkaline Battery No. 7 (LR03) ×4 |
