Wi.Tec-Sensorik · The Gas Measurement Company
ULTRA.sens® AK100 (LED) for H₂S

Gases:
Applications
Options
Features & Benefits
- Applicable for continuous measurements
- Different Interfaces (RS232, CAN-Bus)
- Adjustable measurement rate 1min to 120min
- Longlife UV-LED
- Mecury-free design
Sensor Configurations
| Gas Channel 1 (*) | Gas Channel 2 (*) | Gas Channel 3 (*) | Gas Channel 4 (*) | Options (**) | ||||
|---|---|---|---|---|---|---|---|---|
| Single Gas Module | 1.1 | | O₂ | P | H | |||
List of Measurement Ranges
| Measuring range (*) | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 100 Vol.% | 50 Vol.% | 30 Vol.% | 20 Vol.% | 10 Vol.% | 5 Vol.% | 1 Vol.% | 5,000 ppm | 2,000 ppm | 1,000 ppm | 500 ppm | 300 ppm | 100 ppm | 50 ppm | 10 ppm | 1 ppm | |
| H₂S | ||||||||||||||||
Technical Data
| General features* | |
|---|---|
| Measurement principle | Non-dispersive ultraviolet (NDUV) ; dual beam |
| Measurement range | 1.000 ppm 2.000 ppm 5.000 ppm |
| Gas flow | 0.1 –2 l /min |
| Dimensions | 225 mm × 125 mm × 81 mm |
| Weight | approx. 580 g |
| Lifetime of UV radiation source | > 1 500 h – 180 000 h1 |
| Measuring response* | |
|---|---|
| Warm-up time | 5min (initial) ≤ 45 min |
| Response time (t90) | 1 min – 120 min |
| Detection limit (3·σ) | ≤ 1 ppm |
| Linearity error | ≤ ± 2 %F.S. |
| Repeatibility | ± 0.5 %F.S. |
| Long term stability (zero) | ≤ ±1 %F.S. /month < ±1 %F.S. /month |
| Long term stability (span) | < ± 1 %F.S. /month |
| Temp. Influence zero | < 1 %F.S. /10K |
| Temp. Influence span | < 2 %F.S. /10K |
| Cross sensitivity | < 2 %F.S.6 |
| Pressure influence | < 1.5 % /10 hPa of reading |
| Electrical inputs and outputs | |
|---|---|
| Supply voltage | 15..30 VDC |
| Supply current (peak) | ≤ 0.4A |
| Power consumption (average) | ≤ 7.5 W |
| Digital output signal | RS 232 (ASCII) , CAN-Bus, Modbus (RTU) |
| Climatic conditions | |
|---|---|
| Operating temperature* | 5 – 45 °C8 |
| Storage temperature | -20 – 60 °C |
| Air pressure | 300 –1200 hPa (mbar) |
| Ambient humidity | 0 – 95 % rel. humidity (not condensing) |
Service & Support




