OWH9800 Series Power Meter
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
Specifications
The instrument must be operated continuously for more than 30 minutes at the specified operating temperature to meet the following specifications
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Model |
OWH9811 |
OWH9830 |
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Display |
3.95-inch TFT Screen |
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Update rate |
0.1s,0.2s,0.5s,1s,2s,5s |
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Measurement items |
V, A, W, VA, var, λ, fU, CfU, CfI, Upk, Ipk, THD |
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Measurement method |
CH1 1ph-AC |
CH2 1ph-AC+DC |
CH1 3ph-AC |
CH2 1ph-AC+DC |
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Voltage measurement range |
3.0V-600Vrms |
0V-1000Vpk*1 |
3.0V-600Vrms |
0V-1000Vpk*1 |
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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 |
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Voltage accuracy |
±(0.4% of reading + 0.1% of range + 1 digit) |
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Voltage resolution |
0.01V/0.1V |
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Current measurement range |
0~20.0Arms |
0-20Apk*1 |
0~20.0Arms |
0-20Apk*1 |
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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 |
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Current accuracy |
±(0.4% of reading + 0.1% of range + 1 digit) |
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Current resolution |
0.001A |
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ange Switching |
Auto/Manual |
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Power Range |
0~12kW |
0~20kW |
0~36kW |
0~20kW |
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Power accuracy |
±(0.4% of reading + 0.1% of range + 1 digit) |
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Power Resolution |
0.01W/0.1W/1W |
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Power Factor Range |
-1.000~1.000 |
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Power Factor Accuracy |
±(0.4% of reading + 0.1% of range + 1 digit) |
---- |
±(0.4% of reading + 0.1% of range + 1 digit) |
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Operating Frequency |
40Hz~70Hz |
DC+40Hz-70Hz |
40Hz~70Hz |
DC+40Hz-70Hz |
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Frequency Accuracy |
±(0.1% of reading + 1 digit) |
---- |
±(0.1% of reading + 1 digit) |
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Harmonic Analysis |
2.8 kHz bandwidth, up to 63rd order |
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2.8 kHz bandwidth, up to 63rd order |
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Integration Function |
Watt-hour (Wh), Ampere-hour (Ah) |
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Warm-up Time |
>30 min |
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Peak Current |
60A |
30A |
60A |
30A |
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Maximum Continuous Input |
Vrms=700V; Irms=24A |
Vpk=1100V; Ipk=24A |
Vrms=700V; Irms=24A |
Vpk=1100V; Ipk=24A |
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Interface |
RS232 |
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Communication Protocol |
Standard SCPI , Modbus protocal |
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Baud Rate (bps) |
4800,9600(default),19200,38400,57600,115200, |
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Display Hold |
YES |
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Mute |
YES |
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Key Lock |
YES |
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Power Supply |
AC 100V~240V, 50/60Hz |
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Operation environment |
18 ℃ ~ 28 ℃, 30% ~ 75% RH (When operating temp. is outside 18 ℃ ~ 28 ℃, add temp. coefficient: 0.05% of reading / ℃) |
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Storage Environment |
-10 ℃ ~ 50 ℃, ≤ 80% RH (non-condensing) |
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Operating Altitude |
≤2000 meters |
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Weight |
1.3kg |
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Dimensions |
295mm(W) × 110mm(H) ×235mm(L) |
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