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Gas Flow Control:
Anode flow range: 20-2000 SLPM
Flow control precision: ±(0.8%Rdg+0.2%FS)
Response time: 100ms
Cathode flow range: 60-6000 SLPM
Flow control precision: ±(0.8%Rdg+0.2%FS)
Response time: 100ms
Nitrogen purging: Available (before & after the test)
Gas Pressure Control:
Back pressure control range: (Stack resistance+15) kPa~300kPa
Back pressure control precision: ±2kPa (steady state, no hydrogen cycle, no pulse emission)
Pressure detection precision: <0.5%FS
Gas Humidification Control:
Humidification method: Bubbling+Atomizing spray
Dew point temperature range:
40~80℃ (operation pressure≥0.2bar)
40~85℃ (operation pressure≥1bar)
40~90℃ (operation pressure≥1.5bar)
Dew point temperature control precision: ±1℃
Gas Heating Control:
Temperature control range: 40~95℃
Temperature control precision: ±1℃ (steady state)
Temperature detection precision: ±0.5℃
Stack Cooling System:
Cooling method & medium: Water cooling circulation+Secondary water cooling (deionized water)
Flow detection precision: ±1%FS
Temperature control range: 40~95℃
Temperature control precision: ±1℃
Water supplement: Automatic water supplement+Exhaust
Voltage range: 24~800V
Current range: 0~800A
Single Cell Voltage Inspection:
Detection channels: Max. 800 (optional)
Measurement range: (-5~5) Vdc
Measurement Precision: ±1mV@(-2~2Vdc)
Protection/alarm: Alarm limits, battery voltage deviation alarm, and protection can be set.
Protection:
Hydrogen leakage detection: 1000-40000ppm (Alarm value can be set.)
Insulation impedance detection: Impedance protection value can be set.
Hardware protection: Pressure switch (controllable pressure-relief protection)/Temperature switch/Emergency stop button
Software protection: Hydrogen leakage/Low insulation impedance/OTP/OPP/Under-pressure/Low flow/Electronic load fault protection etc.
