Digox 601 sodium
Analysers of the Digox 601 sodium series have been designed to meet the specific industrial quality requirements, in particular when it comes to:
- Quality assurance of demineralisation systems
- Monitoring of the water-steam cycle in power plants, in particular the monitoring of condensers
- Quality assurance of the ultra-pure water circulation in the semiconductor industry
Typical measurement points in power plants:
- Monitoring of process-related blending bed exchangers
- Monitoring of the water quality of the water-steam cycle
TECHNICAL FEATURES
Automatic two-point calibration, adjustable time interval
Automatic temperature compensation
Control and monitoring of the adjustable pH-value
Minor concentration differences between reference solution and measuring solution
Cation exchanger for deionisation of the sample in calibration mode
Galvanically separated signal outputs
Upgradable, up to five sample channels with sequencer
Mains voltage:
Power requirement:
Protection class:
Display:
Power outputs:
Interface:
Relay output:
Contact load:
Permissible ambient temperature:
Permissible air humidity:
Sample quantity:
Sample path:
Measurement principle:
Measurement range:
Accuracy:
Temperature sensor:
Calibration:
Alkaline treatment:
Electrical safety:
Dimensions:
Weight:
85…265VAC, 48-63Hz, parameter protection without batteries
40VA
IP65 (measuring transducer), IP54 (external housing)
LCD display, four lines, backlit
0(4)...20mA, maximum load 400 Ohm
RS485
Alarm relay with potential-free make contact. Releasing relay in case of failure (fail-safe)
6A/250V, maximum 550VA ohmic load (with RC contact protective circuit)
0 to 40°C
Max. 90% at 40°C (non-condensing)
5…20 l/h (overflow principle), minimum quantity 5 l/h
Single channel device, optionally upgradable with sequencers up to five sample channels,
additional laboratory sampling is possible
Differential measurement of two ion-sensitive Na electrodes
0.1ppb – 2.000ppb
/-3% of the displayed measured value
Pt100
Two-point calibration by means of adding a defined parent solution to the deionised sample stream, to be executed manually or automatically
pH-regulated with undiluted diisopropylamine, optionally ammonia solution
IEC 1010, IEC 664
700 x 500 x 280 mm (H x W x D)
Approx. 30 kg
Optionally available with Digox 601 sequenzer
By means of the Digox 601 sequenzer, up to 5 different sampling points can be sampled with the analyser Digox 601 sodium.
The control is realised by means of a SPS S7-214 XP. The communication with the sodium analyser Digox 601 sodium is carried out through an RS485 interface. The operation is effected through a TD200 operating display. The individual sample streams are led to the analyser via 3/2-way solenoid valves.