Real-Time Gas Measurement in Fuel Cells for Household and Commercial Use
Measurement component | Hydrogen sulfide (H2S) in ambient air |
| Measurement principle | Oxidation catalyst + Ultra Violet Fluorescence |
| Measurement range | 0-0.1/0.2/0.5/1.0 ppm |
| Lower detectable limit | 2 ppb |
| Repeatability | ±3.0% of F.S. |
| Linearity | ±2.0% of F.S. |
| Zero drift | ±2% of F.S./day |
| Span drift | ±5% of F.S./day |
| Response time (T90) | 180 sec. or less (from CU-1converter unit) |
| Sample gas flow rate | approx. 0.7L/min |
| Operation gas | None |
| Indication | Measuring value, alarm |
| Alarm | APSA-370: Calibration error, Battery error, Flow rate error, Pressure error, Temperature error in catalyzer, etc. CU-1: Temperature error in catalyzer |
| Inpt/Output | 0-1V/0-10V/4-20mA (2 systems: either (1) momentary value and integrated of (2) moving average value) Contact input/output RS-232C (option) |
| Temperature/Humidity | 0-40°C / 85% or less |
| Power | 100/110/115/120/220/230/240 VAC, 50/60Hz |
| Power consumption | APSA-370: 150VA CU-1: 150VA |
| Dimension | APSA-370: 430(W) x 550(D) x 221(H) mm CU-1: 430(W) x 550(D) x 221(H) mm |
| Mass | APSA-370: approx. 19kg CU-1: approx. 10kg |
![APNA-370/CU-2 [High Sensitivity Model]](https://static.horiba.com/fileadmin/Horiba/_processed_/7/4/csm_5_APNA-370_CU-2__NH3___high_sensitivity__ppb__165ceebe75.png)
