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OWH9800 Series Power Meter

+ 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

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Product Details

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	CH2 1ph-AC+DC	CH1 3ph-AC	CH2 1ph-AC+DC
Voltage measurement range	3.0V-600Vrms	0V-1000Vpk^*1	3.0V-600Vrms	0V-1000Vpk^*1
Voltage range	CF=3：75V/150V/300V/600V CF=6：37.5/75V/150V/300V	50V/100V/500V/1000V	CF=3：75V/150V/300V/600V CF=6：37.5/75V/150V/300V	50V/100V/500V/1000V
Voltage accuracy	±(0.4% of reading + 0.1% of range + 1 digit）
Voltage resolution	0.01V/0.1V
Current measurement range	0~20.0Arms	0-20Apk^*1	0~20.0Arms	0-20Apk^*1
Current range	CF=3：0.2A/1A/4A/20A CF=6：0.1A/0.5A/2A/10A	0.2A/1A/4A/20A	CF=3：0.2A/1A/4A/20A CF=6：0.1A/0.5A/2A/10A	0.2A/1A/4A/20A
Current accuracy	±(0.4% of reading + 0.1% of range + 1 digit)
Current resolution	0.001A
ange Switching	Auto/Manual
Power Range	0~12kW	0~20kW	0~36kW	0~20kW
Power accuracy	±(0.4% of reading + 0.1% of range + 1 digit)
Power Resolution	0.01W/0.1W/1W
Power Factor Range	-1.000~1.000
Power Factor Accuracy	±(0.4% of reading + 0.1% of range + 1 digit)	----	±(0.4% of reading + 0.1% of range + 1 digit)	----
Operating Frequency	40Hz~70Hz	DC+40Hz-70Hz	40Hz~70Hz	DC+40Hz-70Hz
Frequency Accuracy	±(0.1% of reading + 1 digit)	----	±(0.1% of reading + 1 digit)	----
Harmonic Analysis	2.8 kHz bandwidth, up to 63rd order	----	2.8 kHz bandwidth, up to 63rd order	----
Integration Function	Watt-hour (Wh), Ampere-hour (Ah)
Warm-up Time	>30 min
Peak Current	60A	30A	60A	30A
Maximum Continuous Input	Vrms=700V; Irms=24A	Vpk=1100V; Ipk=24A	Vrms=700V; Irms=24A	Vpk=1100V; Ipk=24A
Interface	RS232
Communication Protocol	Standard SCPI ， Modbus protocal
Baud Rate (bps)	4800、9600(default)、19200、38400、57600，115200,
Display Hold	YES
Mute	YES
Key Lock	YES
Power Supply	AC 100V~240V, 50/60Hz
Operation environment	18 ℃ ~ 28 ℃, 30% ~ 75% RH (When operating temp. is outside 18 ℃ ~ 28 ℃, add temp. coefficient: 0.05% of reading / ℃)
Storage Environment	-10 ℃ ~ 50 ℃, ≤ 80% RH (non-condensing)
Operating Altitude	≤2000 meters
Weight	1.3kg
Dimensions	295mm(W) × 110mm(H) ×235mm(L)