Omron K7L-UP-FLK, Manual

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K7L-UP-FLK
2
Specifications
Ratings
*
This product may not meet the performance that is described in catalog depending on liquid type that is detected. Please make sure to check and test before to buy it.
Detectable chemical
Item Model K7L-UP-FLK
Power supply voltage 100 to 240 VAC 50/60 Hz
Allowable voltage fluctuation range Rated voltage 85 to 110 % (85 to 264 VAC)
Power consumption 10 VA max. (at maximum load)
Detection method Inductive method
Operate resistance 50k, 100k
Ω
(selectable) Must operate below each sensitivity setting.
*
Release resistance 350 k
Ω
min.
Current when electrodes are shorted 2 mA/AC max.
Wiring length
600 m max. (total of Sensing Cable, Connecting Cable, Junction Cable, Area Separator and general-purpose
cable)
This value is for completely insulated 600-V 3-conductor VCT cable of with a thickness of 0.75 mm
2
. No
more than 10 Junction Cables can be used.
Area Separators are calculated as 10 m each.
Disconnection
detection
function
Detection signal 10 VDC
Detection time 45 s max.
Recovery After normal wiring
Output
Relay output
NO contacts
×
2 outputs (leakage, disconnection, error output, and alarm output)
Rated load
Resistive load
Inductive load
Service life
Failure rate P value
Contact resistance
3A 250 VAC/30 VDC
3A 250 VAC/30 VDC
1A 250 VAC/30 VDC
Mechanical: 20 million outputs
Electrical: 80,000 outputs
24 VDC at 5 mA (reference value)
100 m
Ω
max. (default)
4 to 20-mA
output
Allowable load resistance
Resolution
Error
Steady state
At error detection
At disconnection detection
At leakage detection 500
Ω
max.
Approx. 10,000
±
1 %FS
4 mA
5 mA
20 mA
6 + 12
×
Leakage locations (m)/L (m) mA
L: Set distance (default: 600 m)
Other functions
Shift, compensation, Area setting, Output setting, Output reset, Output test, Event log,
Key protection, and Backlight ON-time setting
Ambient
temperature
Operating -10 to 55
°
C (no icing or condensation)
Storage -25 to 65
°
C (no icing or condensation)
Ambient humidity
Operating 25 to 85 %RH (no condensation)
Storage 25 to 85 %RH (no condensation)
Altitude 2000 m max.
External color Controller: Ivory
Mounting method Surface mounting, DIN track mounting
Terminal block Single-line terminal block (Use ferrules.)
Terminal block tightening torque 0.5 to 0.6 N • m
Degree of protection IP20 (Panel-mounted)
Accessories Connecting Cable, Terminator, Instruction manual
Type Name Another Name Chemical formula
Alcohol Methanol Methyl Alcohol CH
3
OH
Acid
Hydrochloric Acid
---
HCI
Sulfuric Acid H
2
SO
4
Nitric Acid HNO
3
Acetic Acid 98% CH
3
COOH
Phosphoric Acid H
3
PO
4
Hydrofluoric Acid HF
Alkali
Ammonia Solution 28% Ammonia Solution NH
3
Sodium Hydroxide Caustic Soda N
a
OH
Potassium Hydroxide Caustic Potash KOH
Other
Sodium Hypochlorite --- N
a
ClO
Sodium Hydrogen Sulfite Sodium Bisulfite N
a
HSO
3
Hydrogen Peroxide Hydrogen Peroxide 30% H
2
O
2