CONDUCTIVE LIQUIDS
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NIVOTESTER NTS For Water Tanks (5 LEDs) Operating Principle Wiring and Application Diagram The NIVOTESTER NTS operates based on the conductance of the measured liquids. The electrodes are placed at each quarter length of the probe. The LED indicator (ultra-bright LED) signals the level of the liquid. The red LED indicates that the liquid level has reached less than 25%. As an additional option an external device (such as a buzzer or siren) can be controlled by a relay output pin on the indicator unit. The indicator is able to communicate with the other displays (Remote Indicators) via the 1-wire datalink. The complete measuring equipment NIVOTESTER NTS consists of the: • indicator IN04 which displays the level of the liquid, • the suitable probe, • the 5-wire probe cable with the connector plug. Specication Power supply Power consumption* Alarm relay output Detection method Level indication Detectable substances Probe tting Electrodes Material Enclosure protection ( IEC 529) Operating temperature-indicator Dimensions of the indicator (IEC 61554) Probe cable Weight * No outputs active 08 09 10 V ... 30 V DC approx. 3 W Power supply voltage, max.6A Conductive 5 x LEDs - ultra bright Water, Current conductive liquids G 5/4” with O-ring (NBR) wire with Sn ends, Stainless steel ground electrode IP45 Probe; IP65 Indicator (front panel) from -45 °C to +85 °C 72 x 36 x 68 mm 5 x 0,25+connector M12 Probe (1 m): 0.5 kg, Indicator: 0,1 kg

• Accurately and reliably measures the water level in a fire truck /fire engine • 5 ultra-bright LEDs which indicate the liquid levels in the tank. The LEDs are easily readable in the dark, from a distance or even in direct sunlight • Horizontal or vertical mounting design • Alarm relay output (6A) when the level is below 1/4 • Auto-fill and refill function (Hysteresis) • High Current MosFET outputs for large external light (Large Light Driver) - 5x • Remote indicator which can be connected via 1-wire datalink • Minimal maintenance required • Simple installation • Custom development...