OWH9800 Series Power Meter

About Us

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+ Two-channel design
CH1 (rear panel): AC input – Supports 3–600V / 0–20A RMS, with an accuracy of ±0.5%
CH2 (front panel): AC/DC input – Supports 0–1000V / 0–20A, with an accuracy of ±0.5%
+ Supports single-phase and three-phase measurements, with 16 common parameters available for
measurement
+ Harmonic measurement and analysis functionality, capable of analyzing up to 63rd harmonics
+ Combination of input and output power information for both channels, with automatic calculation of
conversion efficiency
+ Trend waveform display, providing visual representation of dynamic parameter changes for easy debugging
and analysis
+ 3.95” TFT LCD screen with clear, graphical display of multiple parameters, offering intuitive operation
+ Standard RS232 interfaces for remote monitoring and data logging, compatible with SCPI and Modbus protocols

Description

Specifications

The instrument must be operated continuously for more than 30 minutes at the specified operating temperature to meet the following specifications

Model		OWH9811	OWH9830
Display		3.95-inch TFT Screen
Update rate		0.1s, 0.2s, 0.5s, 1s, 2s, 5s
Measurement items		V, A, W, VA, var, λ, fU, CfU, CfI, Upk, Ipk, THD
Measurement method	CH1	1ph-AC	3ph-AC
Measurement method	CH2	1ph-AC+DC	1ph-AC+DC
Voltage & Current Specifications
Voltage Measurement	Range	3.0V-600Vrms / 0V-1000Vpk	3.0V-600Vrms / 0V-1000Vpk
Voltage Measurement	Steps	CF=3: 75V/150V/300V/600V CF=6: 37.5V/75V/150V/300V	50V/100V/500V/1000V
Voltage Accuracy		±(0.4% of reading + 0.1% of range + 1 digit)
Current Measurement	Range	0~20.0Arms / 0-20Apk	0~20.0Arms / 0-20Apk
Current Measurement	Steps	CF=3: 0.2A/1A/4A/20A CF=6: 0.1A/0.5A/2A/10A	0.2A / 1A / 4A / 20A
Power & Frequency
Power Range		0~12kW / 0~20kW	0~36kW / 0~20kW
Operating Frequency	Range	40Hz~70Hz	DC + 40Hz-70Hz
Operating Frequency	Accuracy	±(0.1% of reading + 1 digit)	—-
General Information
Interface & Protocol		RS232 \| Standard SCPI & Modbus
Harmonic Analysis		Up to 63rd order (2.8 kHz)	—-
Environment		18℃ ~ 28℃, 30% ~ 75% RH
Dimensions & Weight		295mm(W) × 110mm(H) × 235mm(L) \| 1.3kg