Envent Engineering Ltd.
Located in Calgary, Canada, Envent Engineering is a world class developer of measurement devices for the natural gas processing industry. We produce H2S / Total Sulfur analyzers, Moisture monitors, O2 analyzers, CO2 analyzers, Gas Chromatographs and Low pressure flare vent / meters.
Recent News Release
Coming soon.
Head Office
Bay E, 7060 Farrell Road SE
Calgary, Alberta T2H 0T2
Canada (+ see map)
H2S Analyzer
Model: Sulfur Sentry Lab Analyzer
This new design by Envent Engineering utilizes Envent sensing tape to provide a linear and interference-free output of H2S concentration for laboratory applications. Available for hydrogen sulfide and total sulfur (optional) in gas measurements and for total sulfur in hydrocarbon liquids with the addition of the syringe injector/total sulfur conversion option.
Downloads
- Data Sheet: Sulfur Sentry Lab Analyzer

- Configuration Software Manual

- Total Sulfur Analyzer Manual

- Spare Parts Cross Reference

- H2S analyzer cleaning procedure

- Modbus communications guide

Software
- Analyzer Software (zipped file, 511 kb)
- Microsoft.net
- Adobe Reader
Certification
Tutorials
Support
Applications
Measures H2S concentration in gases. Optionally total sulfur in gases and refinery liquids.
Features
- Ranges from 0 to 20 ppb (other ranges available)
- Displays up to 5 times scale
- Internal datalogger (8000 records)
- 1.5% accuracy, 1% repeatability
- Optional total sulfur conversion
- Optional syringe drive for hydrocarbon liquid injection
- Interference free Envent H2S sensing tape
- Windows™ based configuration software
- Two year warranty
Value
The Sulfur Sentry Lab Analyzer measures H2S in natural gas, refinery gases or other process streams.
Designed as a lab analyzer for quality assurance testing. The Lab Analyzer is easy to operate and provides quick and accurate results.
The dual display allows the operator to see the output in ppm and grains (others available).
The Sulfur Sentry is designed for continuous operation and comes with a two year warranty.
Specifications
| Power | 120 Vac (220/240 VAC optional) |
| Electrical classification | General area classification |
| Ambient Temperature | 0 to 50˚ Celsius (125˚ F) |
| Inlet Pressure | 15 psig |
| Flow rate Sample | 100 cc/min |
| Measuring Range | 0 to 20 ppm (0 to 1 Grain) Other ranges available |
| Response time | Varies with application |
| Accuracy | 1.5% of full scale |
| Inputs | 24 bit A/D Microprocessor based sensor block |
| Displays | 2 x 16 character LCD with backlighting Menu items are scrolled with pushbuttons |
| Software | A Windows™ based program is standard |
| Dimensions | 11“ L x 18.6“ W x 15.5“ D |
| Weight | 25 Lbs |
Optional Equipment
| Total Sulfur | A total sulfur conversion oven is available to allow conversion of other sulfurs to hydrogen sulfide |
| Syringe Injection | A microprocessor controlled syringe injector allows measurement of total sulfur in hydrocarbon liquids when combined with the total sulfur conversion furnace |
