C
HAPTER
2
L
IMIT
A
NALYSER
S
PECIFICATION
P
AGE
11
C
HAPTER
2
S
PECIFICATION
The Limit Analyser is used for the automatic monitoring of hardness in water.
We recommend that the user read this chapter before installation of the device
for safety operation.
2.1
General specification
Power-supply
85
… 264 V AC 47… 63Hz
Power consumption
25 VA (on operation)
Protection Class
IP 54
Ambient operating
temperature
5 C
… 45 C
Raw water temperature
5
C … 40 C
Humidity
20%RH
… 90%RH
(without ice or dew condensation)
Feed water pressure
app. 0.5…5 bar (1…2 bar recommended)
Feed water condition
clear, colourless, free of suspended solids, no gas
bubbles
pH 4 ~ 10.5, Iron < 3 ppm, Coper < 0.2 ppm,
Aluminium < 0.1 ppm, Manganese < 0.2 ppm
Acid Capacity K
S4.3
< 5mmol/l
→ Physical data
Installation method
indoor wall mount
External dimensions
without enclosure:
280[W] 250[L] 140[D] mm
with enclosure
300[W] 300[L] 190[D] mm
Mass
app. 2.0 kg
→ Monitoring capabilities
Evaluation method
via the colorimetric method
Limit value alarm is
defined by the indicator
used
→ bottles volume
500 ml
Total Hardness Limit-Value-Indicators:
0.05 °dH , 0.10 °dH , 0.20 °dH , 0.30 °dH ,
0.50 °dH , 1 °dH , 2 °dH , 3 °dH , 5 °dH , 10 °dH
Carbonate Hardness Limit-Value-Indicators:
1 °dH , 2 °dH , 3 °dH , 5 °dH
Indicator comsumption
< 0.10 ml / monitoring
Remote alarm output
2 x Relay
250 V AC / V DC 4A
potential free outputs NC/NO
Indicator exchange
output
Remote signal input
No voltage contact input
（
Contact A or Contact B
）
Drainage
Approx. 1000ml
／
monitor
→ Drainage volume may vary depending on feed water
pressure.and flush time
→ Water feed & drain
Feed-water connection
diameter
For connecting 1/4” (6mm) external dia. pipe
Drain-water connection
diameter
→ atmospheric
pressure / open funnel
For connecting 1/4” (6mm) external dia. pipe
→ Inlet and outlet tubes are not attached to the device. Please
use specified tubes. Using tubes other than specified tubes
may cause leakage.
→ Please contact our distributors.
