Advanced Gasmitter
All advanced gasmitters offer high accuracy, long term stability and excellent repeatability. The flexible design platform enables easy integration for the system developer.
- AGM Products
- Features
- Specifications
- Options
AGM Series
Reliable Gas Measurement
- AGM 10: CO2 / CH4
- AGM 30: CO2 / CH4
- AGM 31: CO2 / N2O
- AGM 32: CO2 / N2O / C3H8
- AGM 50: CO2
- AGM 101: CO2 / CH4 / C6H14 / N2O in low concentrations
- AGM 106: CO
- AGM 22: H2 / He / Xe / Ne / Ar / SF6 (uses thermal conductivity in lieu of NDIR)
- NDIR-Dual wavelength or thermal conductivity sensor for gas measurement
- Proven and tested for over 13 years
- Linearized analog output (current or voltage)
- Analog output signal with selectable time constant
- Output signal for 2 alarm thresholds
- RS232 Interface
- Zero and endpoint adjustable with potentiometers
- Temperature compensated
- European PCB format (160mm x 100mm)
| General | |
| Measuring principle: AGM 10/30/31/32/50/101/106 |
Non Dispersive Infra-Red (NDIR) dual wavelength |
| Measuring principle: AGM 22 |
Thermal conductivity principle |
| Measurement Response1 | |
| Linearity error: | < ±2% FS* |
| Lower detection limit: | < 1% FS* |
| Repeatability at zero: | ±0.2% FS* |
| Repeatability at span: | ±1% FS* |
| Long term stability: | ±2% FS* (12 months) |
| Influencing Variables1 | |
| Temperature dependence at zero: | ±1% FS* per 10K |
| Temperature dependence at span: | ±2% FS* per 10K |
| Heating option: | 55°C ± 5°C |
| Pressure dependence at zero: | 0% |
| Pressure dependence at span: | < 2% FS* per 10mbar non compensated; <0.2% FS* per 10mbar with optional pressure compensation (in the range of 800 - 1200 mbar) |
| Time Response | |
| Warm up: | 10s operation (≤ 30 min. to approach all specified properties) |
| Response time (T90): | 5 - 45s (depending on used sensor element, flow, tube length, digital attenuation) AGM22 = 1-45s |
| Gas Inlet Conditions | |
| Ambient temperature: | 0 - 50°C in process -20 - 60°C in storage |
| Gas pressure: | 800 - 1200 mbar |
| Ambient humidity: | < 95% RH (non condensing) |
| Flow range (gas): | 0.1 - 0.750 l/min (constant) |
| Calibration | |
| Zero point calibration: | with inert gas (e.g. nitrogen N2, or ambient air free from measurement gases) |
| Span point calibration: | with sample gas mixtures |
| Adjustment: | zero point and span point adjustable with potentiometer on the PCB. |
| Recalibration: | At first initiation and depending on application and ambient conditions. Recurring cycles of recalibration are recommended. |
| Electric Properties | |
| Operating voltage: | 24 VDC (18-30VDC); 24 VDC (24-30VDC) with heating option |
| Power consumption: | Max. 3W; 8W with heating option; 28W during warm up |
| Status / Failure visualization: | Status and failure LED on the PCB |
| Status / Failure output: | +5V HCMOS on 34-pin connector |
| Analog output (linearized): | 0 - 20 mA, 4 - 20 mA;optional voltage output 0 - 1V, 0 - 5V, 0-10V Max. 500Ω load at current output; ≤ 300Ω burden at voltage output |
| Digital output (linearized): | RS232 Interface (V.24/V.28) 12 bit resolution |
| Dimensions / Materials | |
| PCB dimensions: | 160mm x 100mm (European PCB format); Height: 45mm (includes connectors and tubes) |
| Weight: | max. 800g |
| Tube connector: | 3mm (outside diameter); Hose inside diameter < 3mm |
| Materials in contact with medium AGM 10/30/31/32/50/101/106: | Sample cell: Aluminum or gold-plated stainless steel Window: CaF2, Al2O3 or Ge Gas hoses: Viton®(FPM/FKM) Hose connectoirs: nickel-plated brass Filter: Polypropylene (PP) |
| Materials in contact with medium AGM22: | Sample cell: Al, Si, SiOxNy, Au, Epoxy Gas hoses: Viton®(FPM/FKM) Hose connectoirs: nickel-plated brass Filter: Polypropylene (PP) |
| Options | |
Pressure compensation
|
|
Heating option |
|
Certificate of compliance |
|
1 = Refers to 1013 mbar sample gas pressure, 25°C ambient temperature and 0.75 l/min constant gas flow
- Pressure compensation
- Heating option
- Versions for gas diffusion operation available
- Certificate of compliance
