K7LLevel Control Ultra-miniature liquid leakage sensor amplifier This very compact plug-in leakage controller fits into Omron's G2R 8-pin sockets (P2RF-08-E). K7L detects a wide variety of liquids, ranging from wa- ter to liquid chemicals with low conductivity. • Operation range: Up to 50 M • Four sensing ranges available • Detection method: Conductive •TwoLEDs: Green for power supplied, red for output indication • Conforms to EMC and LVD Directives, UL/CSA approved Ordering information Product name CharacteristicsOrder code Product nameCharacteristicsOrder code Liquid leakage sensor Standard K7L-AT50 SensorsSensing Standard model (material: Polyethylene)F03-16PE 5M amplifier With disconnection function set K7L-AT50D band For temperature and chemical resistance F03-16PT 5M With disconnection function sensor am- plifier only K7L-AT50D-S (material: PolyethylenePTFE) For flexibility and superior workability (material: Plastic fiber braided cable) For flexibility and visual confirmation of leakage (material: Plastic fiber braided cable) F03-16SF 5M F03-16SFC 5M Point Easier to wipe off than the band typeF03-16PS sensor Electrodes have PTFE coating to resist chemicals F03-16PS-F Accessories Product name CharacteristicsOrder code Product name CharacteristicsOrder code Terminal blocks (10 pcs)F03-20 Mounting Sensing Used for F03-16SF(C)F03-25 DIN-rail mounted socket With finger protection P2RF-08-E Without finger protectionP2RF-08 brackets and stickers band stickers Used for F03-16PE (adhesive tape) Used for F03-16PE (screws) (30 pcs) F03-26PES F03-26PEN Point sen- sor mounting brackets Used for F03-16PT (screws) F03-26PTN Used for F03-16PSF03-26PS Specifications Rated power supply voltage12 to 24 VDC (allowable voltage fluctuation range: 10 to 30 VDC) Operate resistance 0 to 50 M, variable Range 0: 0 to 250 k Range 1: 0 to 600 k Range 2: 0 to 5 M Range 3: 0 to 50 M Release resistance105% min. of operate resistance Output configuration NPN open-collector transistor output with 100 mA at 30 VDC max. Wiring distanceConnecting cable: 50 m max. Sensing band length: 10 m max. Ambient temperature Operating: –10 to 55°C Power consumption 1 W max. Response timeOperate: 800 ms max., release: 800 ms max. Weight Approx. 14 g Disconnection detection function (K7L-AT50D & K7L-AT50D-S only) Detection signal: 10 VDC max., 200 ms, detection time: 10 s max. Release: By resetting the power supply Size in mm (H×W×D)28.8×12.8×46 659
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