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Model 131S BTU Gas Chromatograph
Brand: Envent Engineering LtdThe Model 131S Natural Gas Chromatograph (GC) is a simple approach to energy measurement, created and designed for the custody transfer metering of Natural Gas as well as many other BTU applications.
Envent provides a Natural Gas platform that is efficiently manufactured to ensure industry-leading delivery while providing a Gas Chromatograph that allows for ease of serviceability.
Features- Standard: 4-minute C6+ repeatability ± 0.25 BTU / 1,000 SCF
- Optional: 2-minute Fast BTU C6+ repeatability ± 0.5 BTU / 1,000 SCF
- Optional: 5-minute BTU C9+ repeatability ± 0.5 BTU / 1,000 SCF (heated sample system enclosure required)
- High performance GC columns packed in our Envent GC Lab
- Reduced carrier usage due to efficient column design
- Environmental chamber tested prior to shipment
Specifications
Brand
Measurement Range
- Methane: 65 to 100 mol%
- Ethane: 0 to 20 mol%
- Propane: 0 to 10 mol%
- N-Butane & Iso-Butane: 0 to 5 mol%
- N-Pentane, Iso-Pentane, Neo-Pentane & Hexane+: 0 to 1 mol%
- Nitrogen & Carbon Dioxide: 0 to 20 mol%
Ambient Temperature
- -18° to 54° C (0° to 130° F)
Mounting
- Wall or Floor Mount
Environmental Protection
- NEMA 4X
Dimensions
- Standard: 48” H x 24” W x 9” D (122 cm H x 61 cm W x 23 cm D)
Weight
- Approximately 40 kg (88 lbs)
Power
- 120 +/- 10% VAC 50/60 Hz Standard
- 240 +/- 10% VAC 50/60 Hz Available
Power Consumption
- Start Up: 150 watts
- Steady State: 60 - 80 watts Nominal
Repeatability
- C6+ 4-minute Controlled Temperature: ±0.25 BTU / 1,000 SCF (±0.025%) at Ambient
- C6+ 4-minute Controlled Temperature: ±0.4 BTU / 1,000 SCF (±0.04%) Over Temp Range of -18° to 54° C (0° to 130° F)
- C6+ 2-minute Controlled Temperature: ±0.5 BTU / 1,000 SCF (±0.05%) at Ambient; ±1 BTU / 1,000 SCF (±0.1%) Over Temp Range of -18° to 54° C (0° to 130° F)
Input/Output
- 2 Analog Outputs
- 4 Dry Contact Relay Outputs
- 4 Digital Inputs
- 4 Solenoid Outputs
Communication
- SIM 2251 Modbus Mapping
- User Modbus Mapping
- 1 RS-232 Serial Communication Ports (Modbus Capable)
- 2 RS-485 Serial Communication Ports (Modbus Capable)
- 1 Ethernet Communication Port RJ-45 (Modbus Capable)