ITECH IT9121/IT9121E ເຄື່ອງວັດແທກພະລັງງານ

-General specification
+AC input voltage: 100 VAC -240 VAC 50 / 60 Hz
+Warm-up time: Apporx 30 minutes
+Maximum power consumption: 50 VA
- Display: 4.3 inch color LCD
- Voltage And Current Accuracy:
DC: ± (0.1% of reading + 0.2% of range)
0.5 Hz ≤ f ＜45 Hz：± (0.1 % of reading + 0.2 % of range)
45 Hz ≤ f ≤ 66 Hz：± (0.1 % of reading + 0.2 % of range)
66 Hz ＜f ≤ 1kHz：± (0.1 % of reading + 0.2 % of range)
1 kHz ＜f ≤ 10 kHz：± (0.1 % of reading + 0.2 % of range)
± (0.07 *f) % of reading + 0.3% of range)
10 kHz ＜f ≤ 100 kHz：± (0.5 % of reading + 0.5 % of range) ± [{0.04x(f-10)}% of reading
- Active Power Accuracy:
DC: (0.1 % of reading + 0.2 % of range)
0.5 Hz ≤ f ＜45 Hz：± (0.3 % of reading + 0.2 % of range)
45 Hz ≤ f ≤ 66 Hz：± (0.1 % of reading + 0.1 % of range)
66 Hz ＜f ≤ 1kHz：± (0.2 % of reading + 0.2 % of range)
1 kHz ＜f ≤ 10 kHz：± (0.1 % of reading + 0.3 % of range) ± [{0.067x(f-1)}% of reading]10 kHz ＜f ≤ 100 kHz：± (0.5 % of reading + 0.5 % of range) ± [{0.09x(f-10)}% of reading]

datasheet

user manual

installation manual

Input range: 600Vrms/20Arms
4.3-inch color LCD  screen(TFT)
Settable displayed matrix row number and common measurement parameters
The accuracy of voltage and current measurement is up to 0.1%.
The voltage, current, power, harmonics and other parameters can be measured at the same time.
Measures THD(V) up to 50th harmonic*1
The interfaces for USB-based peripheral devices are provided, and the user can store data into the external storage medium.
Rich and powerful integrating functions, and can be used for measuring electric energy which is bought or sold.
Frequency measurement.