Tech Specs


Measurement Specifications
Measurement Depths
5 cm, 10 cm, 20 cm, 30 cm, 50 cm, 100 cm
Range: -20.00 – 50.00 °C
Resolution: ±0.03 °C
Accuracy: ± 0.1 °C (0 °C to 30 °C), ± 0.2 °C (-20 °C to 50 °C)
Communication Specifications
SDI-12 One-wire Serial Interface: DDI communications protocol, SDI-12 communications protocol
RS-485 two-wire-serial-interface (M12 connector only): tensioLINK serial communications protocol, Modbus RTU communications protocol
Data Logger Compatibility
METER ZL6 data loggers and any data acquisition system capable of 3.8- to 28.0‑VDC power and serial interface with SDI-12 and/or RS-485 interface, Modbus RTU or tensioLINK communication
Physical Specifications
Diameter: 2.0 cm (0.79 in)
Length: 104.0 cm (40.94 in)
Shaft: PA66GF30
Sensor Elements: Stainless steel
Operating Temperature Range
Minimum: -30.00 °C
Maximum: 60.00 °C
Cable Length
4.5 m (standard)
75 m (maximum cable length using M12 connector and elongation cables)
Connector Types
3.5-mm stereo plug connector
4-pin M12 plug connector
NOTE: If a stripped and tinned wire is needed, please contact Customer Support.
Electrical and Timing Characteristics
Supply Voltage (VCC to GND)
Minimum: 3.9 VDC continuous
Maximum: 28.0 VDC continuous
Digital Input Voltage (Logic High)
Minimum: 1.9 V
Typical: 3.6 V
Maximum: 5.0 V
Digital Input Voltage (Logic Low)
Minimum: -0.3 V
Typical: 0.0 V
Maximum: 1.0 V
Digital Output Voltage (Logic High)
Typical: 3.6 V continuous
Power Line Slew Rate
Minimum: 1.0 V/ms
Current Drain (During Measurement)
Minimum: 2.0 mA
Typical: 2.5 mA
Maximum: 4.0 mA
Current Drain (While Asleep)
Typical: 80 µA
Power Up Time (DDI Serial)
Minimum: 210 ms
Maximum: 400 ms
Power Up Time (SDI-12, DDI Disabled)
Minimum: 210 ms
Maximum: 400 ms
Power Up Time (RS-485 Ready, DDI Disabled)
Minimum: 210 ms
Maximum: 400 ms
Measurement Duration
Minimum: 30 ms
Maximum: 240 ms
EM ISO/IEC 17050:2010 (CE Mark)

Request a quote

Fill out the form below to help us pair you with the right expert. We’ll prepare the information you request, then contact you as soon as possible.

icon-angle icon-bars icon-times