Diteco - Model 1812 -Laboratory Moisture Calibrator
As calibration cylinders of known moisture content are unstable and cannot be prepared with any accuracy or repeatability, Diteco developed an instrument capable of producing a known concentration of water in a carrier gas, typically nitrogen. It can be used to calibrate other moisture monitors, or as a stand-alone moisture monitor.
The operating principle of the calibrator is to generate a continuous flow of low level (ppm) water vapour in a nitrogen carrier gas to be used to calibrate other moisture monitors. This device can also be used as a moisture analyser if required.
Dry nitrogen is fed through a bubbler, the flow rate being adjusted to deliver a constant flow of known ppm moisture in the stream. An internal analyser measures the moisture content and the instrument delivers up to 2 l/min moisture in nitrogen to an external moisture monitor which in turn can be calibrated or validated.
- Suitable for calibrating or validating any moisture monitor in the 0-1,000 ppm by volume range.
ANALYSER:
- Ranges: 0-1,000 / 0-10,000 ppm(v)
- Accuracy: ±1% of range at 20°C
- Ambient: 10°C to420°C
- Recorder Output: 4-20mA
- Alarm: One fully adjustable relay output
- Calibration Sample Flow Output: up to 2 l/min
- Dimensions: 365(w), 192(h), 360(d) mm
- Weight: 7 Kg
UTILITIES
- Power: 100-120, 220-240 VAC
CARRIER GAS
- Pressure: 0.4 to 4 Bar g maximum
- Type: Dry nitrogen
- Flow Rate: up to 2.5 l.min
- Options: Fault alarm
- Low flow alarm