Comprehensive test and measurement service provider-Shenzhen Weike Electronic Technology Co.
:: Applicable to: electrolyzer, fuel cell stack, fuel cell system, single cell
● Test channels are model-independent and have a maximum voltage of 1000V.
:: Large number of channels per unit up to 50ch
● Built-in data processing function
Basic parameters
| signal input | Number of test channels | MAX 50ch | |||||
| Input Voltage Range | MAX 1000V*1 | ||||||
| Input Current Range | MAX 8000A*2 | ||||||
| sampling rate | 1MS/s | ||||||
| bandwidth | DC~100kHz | ||||||
| LPF | 5/50/500/5 k/50 k/500 kHz | ||||||
| resolution (of a photo) | 1/32000 of range(16bit) | ||||||
| Impedance Measurement | Excitation current accuracy | 0.025%+0.025%F. | |||||
| Frequency accuracy | 1us+20ppm | ||||||
| Impedance test range | 0.1mΩ~10Ω | ||||||
| Test Frequency Range | 0.01Hz~20kHz | ||||||
| Test time*3 | FAST | MEDIUM | SLOW | ||||
| one-step | 2.5 s | 4.0 s | 7.0 s | ||||
| synthesis | 150 s | 300 s | 700 s | 0.1Hz~10kHz 50point | |||
| Test Accuracy | input voltage | max±0.3%f.s. | |||||
| amps | max±0.02%rdg±0.007%f.s.*4 | ||||||
| (electrical) impedance | 1%*5 | ||||||
| Power Selection | test voltage | 0.5V~40V*6 | 2V~150V | 3V~400V | 3V~600V | 5V~1000V | |
| Selectable AC load power | 0.8kW~12kW | 6kW~60kW | |||||
| Current Sensor | rated current | frequency characteristic | wire diameter | ||||
| CT6873 | 200 Arms | DC~10MHz | φ 24 mm or less | ||||
| CT6904A | 500 Arms | DC~4MHz | φ 32 mm or less | ||||
| CT6876A | 1000 Arms | DC~1.5MHz | φ 36 mm or less | ||||
| CT6877A | 2000 Arms | DC~1MkHz | φ 80 mm or less | ||||
| CT6843A | 200 Arms | DC~700kHz | φ 20 mm or less | ||||
| CT6845A | 500 Arms | DC~200kHz | φ 50 mm or less | ||||
| CT6846A | 1000 Arms | DC~100kHz | φ 50 mm or less | ||||
| CT7044 | 6000Arms | 10Hz~50kHz | φ 100 mm or less | ||||
| CT7045 | 6000Arms | 10Hz~50kHz | φ 180 mm or less | ||||
| CT7046 | 6000Arms | 10Hz~50kHz | φ 254 mm or less | ||||
| software functionality | save format | Can save xlsx, xls
Screenshot, PNG format image copying possible |
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| output result | Bode and Nyquist plots are supported in sweep mode.
Parameter-time diagrams in real-time mode with fixed frequency |
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| analysis function | Supports equivalent circuit analysis
Support DRT (relaxation time distribution) analysis function |
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| data interaction | With Enthernet communication interface, support for customized APIs | ||||||
| maintain security (abbr.) | emergency stop | Emergency stop button to cut off excitation output instantly
With under-voltage protection, over-voltage protection, over-power protection |
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*1 Maximum input voltage is ultimately determined by the load selected
*2 Maximum input current is ultimately determined by the optional sensor.
*3 Related to the number of test channels, here are 1ch test speeds
*4 Current test accuracy is ultimately determined by the optional transducer
*5 metrology yard 16mΩ standard device 0.01Hz~20kHz sweep verification, optional metrology report available
*6 Lower voltage limit of 0.5V only when the test frequency range is 0.01Hz~10kHz.
