LIT25
- Low Cost
- Isolated 4-20mA Output (1000 ohm)
- Large LCD Display
- Programmable Signal Relay
- Non-Contacting Ultrasonic Sensor or Optional Pressure Sensor
- Built-in 2-Key Calibrator
- Watertight, Dust-tight Enclosure
The Greyline LIT25 is a level indication sensor that displays, controls, and transmits level. The non-contacting level sensor mounts at the top of a tank and the compact, watertight display enclosure is mounted at a convenient location nearby. Operators can calibrate the LIT25 with its 2-button keypad, without climbing to the top of the tank, enabling organizations to gain better stock and inventory control and tank level measurement that complies with health and safety regulations.
Use the built-in relay for level control or alarm, the large 4-digit display for local indication, and the isolated 4-20mA output to transmit level to a PLC. The standard ultrasonic level sensor measures liquid levels up to 9.8 m (32 ft) and includes automatic temperature compensation allowing for that all-important, reliable, level measurement even when conditions within the application are changing. The optional all-Teflon sensor enables the LIT25 to provide level measurement for chemical applications and all ultrasonic sensors are available with optional intrinsic safety approvals for installation in hazardous rated locations.
| Electronics Enclosure | : NEMA4X (IP 66) polycarbonate with clear, shatterproof cover |
| Accuracy | : ±0.25% of range or 2 mm (0.08 in); whichever is greater |
| Display | : Large 19 mm (0.75 in) high, 4-digit LCD |
| Calibration | : Selectable Level or Range mode. Enter min. and max. distance in centimeters or inches. |
| Programming | : Built-in 2- button keypad with menu selection. Calibration parameters are permanent when stored, even through a power interruption. |
| Power Input | : 100-130 V AC 50/60 Hz, 5 W maximum |
| Outputs | : Isolated 4-20mA, 1000 ohm load maximum |
| Signal Relay | : 1 Relay, rated 120-240 V AC or 24 V DC, 1 A, programmable for level alarm, echo loss alarm, pump control, or temperature alarm |
| Temperature compensation | : Temperature probe inside the level sensor for high accuracy in changing temperatures |
| Operating Temperature (Electronics) | : -25 °C to 60 °C (-13 °F to 140 °F ) |
| Approximate Shipping Weight | : 2.7 kg (6 lbs) |
| PZ32T Sensor Specifications | |
| Maximum Range | : 9.8 m (32 ft) |
| Deadband (Blanking) | : Programmable, Minimum 304.8 mm (12 in) |
| Beam angle | : 8° Locate 304.8 mm (12 in) from tank sidewall for every 3 m (10 ft) depth |
| Operating Frequency | : 42 kHz |
| Exposed Materials | : PVC and Teflon |
| Operating Temperature | : -40 °C to 65 °C (-40 °F to 150 °F) |
| Operating Pressure | : 1.38 bar (20 psi) maximum |
| Sensor Cable | : RG62AU coaxial, 7.6 m (25 ft) standard length |