Omron, K7L-U[]UD[]

last update: April 1, 2016

A total distance of 400 m is achieved for cable and Sensing Band to minimize leakage damage.

Greatly expands the detection area.

A total distance of 400 m for the cable and Sensing Band extends the wiring distance by approximately 7 times compared with our previous models.

Detects broken wires.

Detects broken wires all the way from the main unit to the tip of the Sensing Band. This enhances reliability in long-distance wiring applications.

Helps to downsize gang-mounted panels.

The extremely compact size, with a width of only 16 mm, helps to save panel size when mounting several Units together.

Features a Noise Canceller (Patented)

A noise canceling circuit employing a three-conductor cable enables stable liquid leakage detection with excellent noise resistance.

last update: April 1, 2016

last update: April 3, 2017

Characteristics

Ambient temperature	Operating: -10 to 55°C
Ambient humidity	Operating: 45% to 85%
Insulation resistance	10 MΩ at 100 VDC between case and current-carrying parts
Dielectric strength	1,000 VAC at 50/60 Hz for 1 min between case and current-carrying parts
Power consumption	1 W max.
Response time	Operate: 800 ms max. Release: 800 ms max. Startup time after power ON: 2 s max.
Weight	Approx. 14 g

Ratings

Accessories	Product Name	Terminal Block	Screwdriver for ADJUST	Terminator
Rated power supply voltage	12 to 24 VDC (Allowable voltage fluctuation range: 10 to 30 VDC)
Operate resistance	0 to 1 MΩ variable Note: The adjuster (ADJUST) on the top of the Sensor Amplifier sets the resistance for detection within the setting range. It is factory-set to the upper limit. (Normally, the K7L can be used with the adjuster at this setting.)
Disconnection detection function *	Detection signal: 10 VDC max., 200 ms Detection time: 10 s max. Recovery: Operation is recovered by resetting the power supply.
Release resistance	105% min. of operate resistance
Output configuration	Open-collector transistor output with 100 mA at 30 VDC max. for both liquid leakage detection and disconnection detection. Note: If the rightmost pin of the DIP switch on the side of the Sensor Amplifier is set to the down position, the output turns ON when liquid is detected; if it is set to the up position, the output turns OFF when liquid is detected.
Vibration resistance	10 to 150 Hz, 0.1-mm single amplitude with 15-m/s² acceleration for 8 minutes 10 times each in X, Y, and Z directions
Shock resistance	150 m/s² 3 times each in six directions on 3 axes
Wiring distance	Wiring cable, Sensing Band: Total: 400 m max. Note: These values are possible on the condition that a completely insulated 3-conductor VCT cable with a thickness of 0.75 mm² and a dielectric strength of 600 V is used together with the Liquid Sensing Band specified by OMRON. (A 0.2-mm² cable can also be used.)
	Model	F03-20	---	F03-20T
	K7L-U/UB	1	1	---
	K7L-UD/UDB/UDP/UDPB	1	1	1

* For the K7L-UD[][].

last update: April 3, 2017

(Unit: mm)

Liquid Leakage Sensor Amplifier

K7L-U/-UD/-UDP

Liquid Leakage Sensor Amplifier

K7L-UB/-UDB/-UDPB

Terminal Block *

F03-20

Terminator *

F03-20T

Track-mounted Sockets *

P2RF-08 (Round terminals can be used.)

Note: The applicable models of the K7L depend on the model of the Socket. If the correct Socket is not used, the K7L nameplate will be upside down.

Track-mounted Sockets *

P2RF-08-E

Note: The applicable models of the K7L depend on the model of the Socket. If the correct Socket is not used, the K7L nameplate will be upside down.

Front-mounting Sockets

P2RF-08-PU

Note: The applicable models of the K7L depend on the model of the Socket. If the correct Socket is not used, the K7L nameplate will be upside down.

Liquid Leakage Point Sensor

F03-16PS
F03-16PS-F

Point Sensor Mounting Bracket

F03-26PS

* The Terminal Block is made of nylon 66. Mount the Terminal Block in locations not subject to liquid chemicals using M3 screws.
* Secure the Sockets with M3 screws at a torque of 0.78 to 1.18 N·m.

last update: April 3, 2017

TITLE	DOCUMENT TYPE	SIZE
K7L Series	Catalog	7033 KB

A total distance of 400 m is achieved for cable and Sensing Band to minimize leakage damage.

Greatly expands the detection area.

Detects broken wires.

Helps to downsize gang-mounted panels.

Features a Noise Canceller (Patented)

Characteristics

Ratings

Liquid Leakage Sensor Amplifier

Liquid Leakage Sensor Amplifier

Terminal Block *

Terminator *

Track-mounted Sockets *

Track-mounted Sockets *

Front-mounting Sockets

Liquid Leakage Point Sensor

Point Sensor Mounting Bracket

Group Sites

Our Partner Sites

Subscribe Our Newsletter