| Methodology |
Dual wavelength, high resolution, nondispersive UV/VIS |
| Full Scale Ranges |
ppm and % vol are standard, other ranges are available |
| Standard Range |
| H2S |
0 to 4,000 ppm min. to 0 to 100% max. |
| Other components and ranges are available upon request. Other components may include NH3, COS, CS2 and SO2 |
| Accuracy |
Standard range (UV): ±1% of full scale |
| Optional (TCD) H2 sensor for TGTU applications: ±2% of full scale |
| Optional (IR) sensor for THC, CO2: application specific, consult factory |
| Repeatability |
Better than ±0.5% of full scale |
| Linearity |
Better than ±1% of full scale for H2S |
| Zero Drift |
Better than ±2% of full scale, with auto zero disabled over 24-hour period |
| Speed of Response |
Typically less than 30s to T90 (excluding sample system) |
| Number of Gases |
one |
| Zero Gas |
Nitrogen or instrument air |
| Maximum Sample Cell Pressure: |
6.9 barg (100 psig) |
| Maximum Sample Gas Temperature: |
165 ºC (329 ºF) |
| Typical Sample Flow |
2.5 L/min (5 SCFH) |
| Sample Transport |
Application dependant (options include Heated Acid Gas probe) |
| Outputs |
Up to 4 isolated 4-to-20 mA, loop or selfpowered, 30 VDC Max; 4 non-isolated 1 to 5 VDC; |
| 5 independent sets of SPDT, Form C, potential free alarm relay contacts, 2 A at 240 VAC |
| Digital Communication |
RS485 Modbus port; RS232 / RS485 service port |
| Utility Requirements |
120 VAC (104 to 132 VAC), 47 to 63 Hz, <3A |
| 240 VAC (207 to 264 VAC), 47 to 63 Hz, <2A |
| Power Consumption |
500 W max. (with heated probe and cell) |
| Ambient Temperature |
0 to 50ËšC (32 to 122ËšF) |
| Physical Dimensions |
1185 x 780 x 254 mm (46.65 x 30.7 x 9.97 in.) |
| Weight |
Approximately 145 kg (320 lbs) |
