MTL KK650 – Hydrogen and Chlorine Gas Analyser
· Proven technology from the katharometer experts
· Unique dual sensor technology
· Works during start-up
· Benign, surrogate gas calibration
· Wet and dry sample systems
· Low cost of ownership
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Description
The KK650 is designed specifically for measuring hydrogen and chlorine gases within the chlor-alkali industry. Hydrogen measurement is our field of expertise, but this application is not straightforward. Hydrogen levels are low and the mixture is not binary. In addition to the hydrogen and chlorine; oxygen, nitrogen and carbon dioxide are also present. These are referred to as the ‘inerts’. At start-up, the gas stream mainly consists of nitrogen purge gas with a gradually increasing percentage of chlorine.
All types of chlorine plant can be monitored by one of two models which differ in the hydrogen range and resolution (see specification). Each provides accurate monitoring of the process gas from start up to normal running.
Specifications
Gas measurement ranges
Hydrogen: 0 – 5.00% or 0–10.00%
Chlorine: 0-100.0%
Stability
< 1% f.s.d. over the operating
temperature range.
< 1% f.s.d./month
Accuracy
±1% f.s.d. or ±2% f.s.d.
depending on calibration method
Repeatability
< 1% f.s.d.
Speed of response
T90: 30 seconds (typ.)
Sample flow
100 – 400ml/min
(~350ml/min for optimum performance)
Sample temperature range
0°C to +60°C (non-condensing)
Sample pressure
Atmospheric, set by vent pressure
Sample connections
Inlet and outlet: Captive seal
compression suitable for 0.25inch
(or 6mm) o.d. tube
Analogue output ranges (4/20mA)
Hydrogen: 1.00 to 5.0% (adjustable)*
2.00 – 10.00% (adjustable)*
Chlorine: 100% (fixed)
Minimum load 600 ohms
* depending on model chosen (see above)
Concentration alarms
One programmable alarm for each gas
Volt-free contacts
Fault indicators
1) Instrument status
2) Reactor temperature status
Volt-free contacts
Ambient operating temperature range
Sensor: +5°C to 55°C
Electronics: +5°C to 45°C
Storage temperature range
0°C to 55°C
(0-90% R.H. non-condensing)
Power
110V or 220V AC (nom.), 50/60Hz
80 VA requirement
Mechanical details
Electronics: GRP wall-mount enclosure
Protection: IP66
Net weight: 20 kg (nom.)
Dimensions: (mm) 650h x 450w x 250d
Katharometer/reactor: Wall-mount panel
Net weight: 3 kg (nom.)
Dimensions: (mm) 150h x 240w x 115d
Connecting cable length: 2 metres