89750147 Crouzet USA, 89750147 Datasheet - Page 105

• Manufacturer Part Number: 89750147
• Description: STAINLESS SLEEVE-MILL TEMP PRB
• Manufacturer: Crouzet USA

Specifications of 89750147

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

For more information www.crouzet.com
Principles
Principles
Monitoring filling or emptying ENR
Monitoring filling or emptying ENR
Other information
The probe cable (maximum length 100 metres) does not have to be screened, but avoid mounting it in parallel with the power supply cables. A screened
cable can be used with the screening connected to the common terminal.
3
B
C
D
Down
Up
Un
Maximum level
Maximum level
Minimum level
Minimum level
Output relay : Down or Up
Output relay : Down or Up
1
2
T
Operating principle
Operating principle
Monitoring maximum and/or minimum levels of conductive liquids (tap water, sea water, waste
Monitoring maximum and/or minimum levels of conductive liquids (tap water, sea water, waste
water, chemical solutions, coffee, etc).
water, chemical solutions, coffee, etc).
The principle is based on measuring the apparent resistance of the liquid between two submerged
The principle is based on measuring the apparent resistance of the liquid between two submerged
probes. When this value is lower than the preset threshold displayed on the unit’s front panel, the
probes. When this value is lower than the preset threshold displayed on the unit’s front panel, the
output relay changes state. To prevent any occurrences of electrolysis, an AC current is passed
output relay changes state. To prevent any occurrences of electrolysis, an AC current is passed
through the probes. Areas of application include the agri-food, chemical and other industries.
through the probes. Areas of application include the agri-food, chemical and other industries.
Adjusting two levels : Minimum/Maximum
Adjusting two levels : Minimum/Maximum
The output relay changes state when the level of liquid reaches the maximum electrode, with the
The output relay changes state when the level of liquid reaches the maximum electrode, with the
minimum electrode submerged. It returns to its initial state when the minimum probe is no longer in
minimum electrode submerged. It returns to its initial state when the minimum probe is no longer in
contact with the liquid.
contact with the liquid.
Note
Note
If the power break T lasts for 1 second or more, the relay reenergises instantly when in "UP" mode
If the power break T lasts for 1 second or more, the relay reenergises instantly when in "UP" mode
and is de-energised when in "DOWN" mode.
and is de-energised when in "DOWN" mode.
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