Online Bio-Gas Analyzer
Application:
- Bio Gas analysis
- Digester gas research
- Engine feed gas analysis
- Sampling collection devices
Features:
- Analysis of 4 gases CH4, H2S, CO2 and O2
- Configurable in dilution mode which enables to measure H2S in 2% Vol/Vol
- Up to 4 streams.
- Single panel to analyse gas before and after scrubbing with single set of sensors
- Built in sample conditioning system
- Both auto and manual mode of operation
- H2S scrubber for prolonging CH4, CO2 and O2 sensor life
- Data logging with timestamp onto USB and customer PC
- SCADA on customer PC for monitoring, control and data logging
- Colour touch display for gas monitoring and control
- Auto Calibration
- Inbuilt diagnostic mode
- Signal retransmission both digital and 4-20mA signals
- On display trends and graphs for analysis
- Programmable alarms
- Audio and visual alarms
User settable parameters:
Sr. No. |
Parameter |
Value |
1. |
O2 High Value |
30% |
2. |
O2 Low Value |
0% |
3. |
CO2 High Value |
100% |
4. |
CO2 Low Value |
0% |
5. |
CH4 High Value |
100% |
6. |
CH4 Low Value |
0% |
7. |
H2S High Value |
20000ppm |
8. |
H2S Low Value |
0 ppm |
9. |
Operating Mode |
Auto/Manual |
10. |
Temperature Hysteresis |
2 |
11. |
Temperature Set point |
2 |
12. |
Chiller Drain On Time |
10 |
13. |
Chiller Drain Off Time |
30 |
14. |
Sampling On Time |
10 minutes |
15. |
Sampling Off Time |
30 minutes |
Specifications:
General Specification |
Type |
PLC based Multi-Channel analyzer system for measuring gas composition in biogas |
Components to Measure |
CH4, CO2, O2 & H2S |
Analyzer Housing Material |
M.S with Powder coating |
Panel Dimensions (H x W x D) |
(1385x609x304) mm |
Mounting |
Free standing panel |
Mounting Accessories |
Inclusive (Wiringand piping to brought till panel) |
Weather Protection |
Suitable for Outdoorapplication, IP-55 |
Power Supply |
230VAC, 50Hz |
System Type |
Sampling Type |
Technique / Type of Sensor |
For CO2 & CH4 |
Non Dispersive Infra Red (NDIR) |
For H2S |
Electrochemical |
For O2 |
Electrochemical |
Analyzer Range |
CH4 |
0 - 100% Vol. |
CO2 |
0 - 100% Vol. |
H2S |
0 - 2000 PPM |
O2 |
0 - 30% Vol. |
Multipoint sampling system |
Provided |
No. of Stream |
Up to 4 |
Suction Pump |
Diaphragm Pump |
Process connection |
1/4" tube fitting |
Wetted Part |
SS 316/ Teflon |
Isolation Valve for Stream |
1/2" NPT(F) |
Tubing & Tube Fittings |
1/4" tube fitting |
Material |
SS 316/ Teflon |
Tubing for Calibration gas / SS316 |
1/4" tube fitting |
Flow Indicator |
Present in the system |
Pressure Indicator |
Not required |
Temperature Indicator |
Displays Dew Point of treated gas stream |
Processed Gas (Recycled / Vented) |
Vented |
Sensor Transmitter |
Output |
Modbus and 4 nos. (4-20) mA Analog output |
Comm. Protocol |
Rs. 485, Modbus Protocol |
Alarm |
High and Low alarms, user programmable |
Local Indicator |
Touchscreen HMI |
Display type |
TFT Display |
Display Size |
113 x 138 x 43 mm |
Electronic Calibration Range |
As per service condition specified |
Sensor Characteristics For NDIR technique |
Overall Accuracy |
± 1% of full scale or Better |
Zero/Span drift |
± 1% of full scale in 24 hours. |
Response Time |
< 5 sec. for 90% response |
Repeatability |
± 2 % of reading |
Sensor Characteristics For Electrochemical technique |
Overall Accuracy |
± 2% of full scale or Better |
Zero/Span drift |
1% of full scale |
Response Time |
< 15 sec. for 90% response |
Repeatability |
± 2% of full scale or Better |
Other Sensor Characteristics For Electrochemical technique |
Linearity |
+/-' 2 % of full scale |
Rangeability |
+/-' 2 % of full scale |
Warm up Time |
< 3min |
Single Cycle Time for each stream |
5 mins |
Stability |
< 3 min |
Relative Humidity |
90% non-condensing |
Sensor Life Expectancy |
1yr for NDIR (depending on moisture and Conc of Biogas) |
Electromagnetic Compatibility |
Shall be as per IEC 801 |
Calibration System |
Calibration gas cylinder (0.5LtrCanister) |
Optional |
Capacity |
Mini. For 1 year |
Purging gas (Automatic/Manuel) |
Auto |
Purging gas Medium |
Instrument Air |
Pressure / Temperature |
ambient/ ambient |
Zero Calibration Type (Automatic / Manuel) |
Manual |
Zero Calibration gas |
Instrument Air |
Pressure / Temperature |
ambient/ ambient |
Pressure / Temperature |
ambient/ ambient |
Options |
Sample Conditioning System |
confirmed for dust and moisture (Chiller Unit) |
Touch Pad/Key padoper |
Keypad |
Power consumption |
250 W |
Booster Pump |
Provided |
Earthing |
Provided |
Surge / Lightning Protection |
Provided |
Warranty |
12 months |
Max. distance b/w sample tapping point & analyzer for good response time |
up to 200 meter is 1/4 inch line is used for sampling line |