FIEDLER - Model TSH22 -Hydrostatic Submersible Level Probe
Accurate and robust immersion water level and temperature sensors with digital output via RS485. The TSH22 water level and temperature pressure sensor is characterized by high measuring accuracy (0.1% FSO) and very low temperature dependence of the measured value.
The base of the sensor is a 19 mm sensor with a stainless steel membrane. The built-in microprocessor compensates for the temperature dependence of the sensor and its possible nonlinearity. The water temperature is measured by a separate sensor located in the sensor body and can be transmitted via the RS485 serial interface together with the level to the connected master system.
The sensors are supplied as standard with the FINET communication protocol, through which it can be easily and quickly connected to all FIEDLER AMS recording units (M4016, H1, H7, Q2, H40, STELA). On request, the sensor can also be supplied with a Modbus RTU interface.
The connecting polyurethane cable with a compensating capillary can be loosely terminated with crimped sockets on the individual signal wires, or it can be provided with a robust 7-pin connector at the end.
The connector end of the connecting cable has the advantage of quickly disconnecting the sensor from the recording unit in the event of a fault or other damage to the sensor and when recalibrating the sensor. In addition, the connector includes a semi-permeable filter to equalize the atmospheric pressure of the air behind the sensor membrane.
- Measuring channels : K1: level, K2: water temperature
- Measuring range K1 : vpourable in the range from 0..1 to 0..10 m of water column (standard: 1, 2, 5, 7 a 10 m)
- Permitted overload : 1,5x measuring range
- Level measurement accuracy : ±0,1% (0,35 %) FSO
- Level resolution : 1 mm
- Accuracy of water temperature measurement : ±0,3 °C
- Water temperature resolution : 0,1 °C
- Long-term stability : ±0,1% FSO
- Temperature dependence : ±0,2% FSO / 10K
- Output signal : RS485
- Communication protocol : FINET (Modbus RTU)
- Baud rate : FINET: 1200 Bd až 19200 Bd; Modbus RTU: 2400 Bd až 38400 Bd
- Power voltage : 6V to 16 V DC
- Current consumption : < 5 mA
- Working temperature range : 0 to +50 °C
- Membrane and sensor body material : stainless steel 1.4044
- Membrane protective cover material : POM
- Sensor dimensions : diameter 22 mm, length 120 mm
- Weight : 170 g without cable
- Cover : IP68 (sensor with cable)
- Connector cover : IP67
- Connection : four-core PUR cable with comp. capillary
- Connecting cable diameter : 8 mm