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SitemapLiquid Leakage Position Sensor
K7L-UP-FLK
Pinpoint Liquid Leakage Detection at Up to 600 m. Easy Setup and Installation.
Data Sheet (Features) (1054KB)
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Ratings
| 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 mm2. No more than 10 Junction Cables can be used (20 m max.). 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: 3A 250 VAC/30 VDC Resistive load: 3A 250 VAC/30 VDC Inductive load: 1A 250 VAC/30 VDC Service life: Mechanical: 20 million outputs, Electrical: 80,000 outputs Failure rate P value: 24 VDC at 5 mA (reference value) Contact resistance: 100 mΩ max. (default) |
| 4 to 20-mA output | Allowable load resistance: 500 Ω max. Resolution: Approx. 10,000 Error: ± 1 %FS Steady state: 4 mA At error detection: 5 mA At disconnection detection: 20 mA At leakage detection: 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 Nm | |
| Degree of protection | IP20 (Panel-mounted) | |
| Accessories | Connecting Cable, Terminator, Instruction manual | |
*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
| Type | Name | Another Name | Chemical formula |
| Alcohol | Methanol | Methyl Alcohol | CH3OH |
| Acid | Hydrochloric Acid | --- | HCI |
| Sulfuric Acid | H2SO4 | ||
| Nitric Acid | HNO3 | ||
| Acetic Acid 98% | CH3COOH | ||
| Phosphoric Acid | H3PO4 | ||
| Hydrofluoric Acid | HF | ||
| Alkali | Ammonia Solution | 28% Ammonia Solution | NH3 |
| Sodium Hydroxide | Caustic Soda | NaOH | |
| Potassium Hydroxide | Caustic Potash | KOH | |
| Other | Sodium Hypochlorite | --- | NaClO |
| Sodium Hydrogen Sulfite | Sodium Bisulfite | NaHSO3 | |
| Hydrogen Peroxide | Hydrogen Peroxide 30% | H2O2 |
Performance
| Model | K7L-UP-FLK | |
| Leakage location accuracy * (at an ambient temperature of 25 °C) | Total length 100 m max. ± 1 m 101 to 600 m ± 1 % | |
| Response time | 45 s max. Startup time after power is turned ON: approx. 30 s | |
| Display | LCD, 12 columns × 4 lines (characters) with backlight Normal: Lit green Error: Flashing green Leakage detected: Lit red Disconnection detected: Flashing red | |
| Insulation resistance | 20 MΩ max. (at 500 MVDC) Measured locations: Between all pairs of (1), (2), and (3), below. (1) Power supply terminals, (2) Relay output terminals, (3) All terminals together excluding (1) and (2) | |
| Dielectric strength | 2,000 VAC 50/60 Hz 1 min. Measured locations: Same as for insulation resistance. | |
| Vibration resistance | Frequency: 10 to 55 Hz, Acceleration: 50 m/s2, Single amplitude: 0.35 mm, 10 sweeps of 5 min each in X, Y, and Z directions | |
| Shock resistance | 130 m/s2, 3 times each for 3 axes in six directions | |
| Weight (Sensor only) | Approx. 185 g | |
| Memory protection | EEPROM (non-volatile memory) | |
| Installation environment | Installation Category II, Pollution Degree 2 | |
| Safety standards | UL508, CAN/CSA-C22.2 No.14 EN61010-1 (IEC61010-1) | |
| EMC | EMI EN61326-1 (Industrial applications) | Electromagnetic radiation interference: CISPR11 classA Noise terminal voltage: CISPR11 classA |
| EMS EN61326-1 (Industrial applications) | Electrostatic discharge immunity: EN61000-4-2: 4 kV (contact), 8 kV (in air) Radiated electromagnetic field immunity: EN61000-4-3: 10 V/m (80 MHz to 1 GHz), 3 V/m (1.4 to 2 GHz), 1 V/m (2.0 to 2.7 GHz) Fast transient/burst immunity: EN61000-4-4: 2 kV (power line), 1 kV (I/O signal lines) Surge immunity: EN61000-4-5: 1 kV between lines (power line), 2 kV between grounds (power line), 1 kV between grounds (sensor line) Conducted noise immunity: EN61000-4-6: 3V (0.15 to 80 MHz) Power frequency magnetic immunity: EN61000-4-8: 30A/m Voltage dip and interruption immunity: EN61000-4-11: 1 cycle 0% (rated voltage), 10/12 cycle 40% (rated voltage), 25/30 cycle 70% (rated voltage) | |
*This leakage position accuracy is for main unit (K7L-UP). Sensing cable also has errors separate from the accuracy described.
Communications Performance
| Communications protocol | CompoWay/F | Modbus (RTU mode) |
| Transmission path connections | Multi-point (32 nodes max. including Master) | |
| Communications method | RS-485 (two-wire method, half-duplex) | |
| Synchronization method | Start-stop synchronization | |
| Baud rate * | 4800/9600/19200/38400 bps | |
| Transmission code | ASCII | Binary |
| Data length * | 7/8 bits | 8 bits |
| Stop bit length * | 1/2 bits | Set automatically (no setting) depending on the vertical parity setting. Without vertical parity: 2 bit With vertical parity: 1 bit |
| Error detection | Vertical parity (none, even odd) BCC (Block Check Character) | Vertical parity (none, even odd) CRC-16 (Cyclical Redundancy Check) |
| Wait time | 00 to 99 ms (Default: 20 ms) | |
*Baud rate, data length, stop bit length and vertical parity can be separately set.
Caution: In the interenst of product improvement, specifications are subject to change without notice.
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