- Brand: Michell Instruments
Tags: LD8000, MULTIGAS, Michell, Instruments
LD8000 MULTIGAS
TRACE NITROGEN, OXYGEN, MOISTURE, HYDROCARBONS IN HELIUM
The LD8000 MultiGas is an online gas analyzer to monitor trace N2, O2, H2O, CnHm in Helium. The compact 4U unit has been designed to meet the requirements of the Helium cryogenic installations for online measurement.
Product Features
- Unique compact chassis (4U rack mount)
to cover up to four measurements (N2, O2, H2O, CnHm) - Bootloader integrated for software update via Ethernet
- Large scale measurement
- 4-20 mA outputs as standard
- Optional zero gas calibration free system
- Range Identification Relay
- LAN/Web control
- Micro-valve for very low dead volume and fast purging time
- Low sample consumption
- Front adjustment valve for sample bypass flow to purge the sample gas line before the analyzer
Product Applications
- Helium cryogenic installation
- Cryogenic truck loading station
- Process control
- Helium liquification plants
- Research center
Technical Specifications
| LD8000 MULTIGAS | |
| DETECTOR TYPE | Plasma Emission Detector for N2 - O2 - H2O - CnHm |
| RANGE FOR N2 |
0 – 10 ppm, resolution to 100 ppb 0 – 100 ppm, resolution to 1 ppm |
| RANGE FOR O2 |
0 – 3 ppm, resolution to 100 ppb 0 – 30 ppm, resolution to .1 ppm |
| RANGE FOR H2O |
0 – 3 ppm, resolution to 100 ppb 0 – 30 ppm, resolution to .1 ppm |
| RANGE FOR CNHM |
0 – 3 ppm, resolution to 100 ppb 0 – 30 ppm, resolution to .1 ppm |
| STANDARD FEATURES |
Manual or autoranging (user selectable) Microprocessor controlled 5.6'' TFT intelligent LCD module with Touch Screen Self diagnosis system with auto-resolve alarm LAN/Web control 4-20 mA isolated outputs(one for each component) Alarm Historic Safe calibration procedure to avoid any bad calibration Digital outputs for remote monitoring: (all dry relay contacts) - System status (1 output) - Range in use (1 output) - Calibration in use (1 output) |
| OPTIONS |
Internal sampling system for zero, span and sample Zero calibration gas free system Serial port: RS-232 / 422 / 485 / Profibus 2 alarm outputs (user programmable set point) |
| GAS CONNECTIONS | Sample: 1/8'' compression fittings Vent: 1/8'' compression fitting |
| CALIBRATION GAS |
Zero: LDP1000 purified gas or Zero calibration gas free system Span 1: 8.0 ppm N2 and O2 + 3 ppm CH4 in Helium (application dependent) Span 2: 8.0 ppm H2O in Helium (application dependent) |
| SAMPLE FLOW REQUIREMENTS | 50 sccm for N2 channel (PED#1) 20 sccm for O2 channel (PED#2) 20 sccm for H2O channel (PED#3) 20 sccm for CnHm channel (PED#4) Bypass flow per channel : 100 sccm |
| NITROGEN DOPING GAS FLOW REQUIREMENT |
20 sccm for O2 channel (PED#2) 20 sccm for H2O channel (PED#3) 20 sccm for CnHm channel (PED#4) |
| RECOMMENDED MINIMUM OPERATING PRESSURE | 4 PSIG (28 kPAG) optional 1 PSIG (7 kPAG) |
| OPERATING TEMPERATURE | 10 °C to 45 °C |
| SUPLLY | 115 VAC, 50 – 60 Hz or 220 VAC, 50 – 60 Hz |
| ACCURACY | Better than ± 1% full scale |
| DRIFT | < ± 1% over 24 hours |
| RESPONSE TIME | T90 < 60 seconds |
| WEIGHT | 45-60 lbs (20-27kg) (depending of options) |
CERTIFICATION
CE: In compliance with EMC directive 2004/108/EC, EN 61000-6-2:2005 for immunity & EN 61000-6-4:2007 for emissions.Download the complete specification and technical data sheet (601 Ko)
