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2

OpERATION

2.  OpERATION

Please read all instructions in this section before operating the TEROS 06 to ensure it 
performs to its full potential.

pRECAUTIONS

METER sensors are built to the highest standards, but misuse, improper protection, 
or improper installation may damage the sensor and possibly void the manufacturer’s 
warranty. Before integrating TEROS 06 into a system, make sure to follow the recommended 
installation instructions and have the proper protections in place to safeguard sensors from 
damage. If installing sensors in a lightning-prone area with a grounded data logger, see the 
application not

Lightning surge and grounding practices

.

2.1  INSTALLATION

When selecting a site for installation, remember the soil adjacent to the sensor surface has 
the strongest influence on the sensor reading.

Follow the steps listed in 

Table 1

 to set up the TEROS 06 and start collecting data.

Table 1  Installation

Tools Needed

TEROS 06 auger

Dead blow hammer

pVC casing or flexible conduit (to protect cables)

Cable inserting tool (if using long flexible conduits)

Spade (to dig a slot for the cable)

Level (to check that auger is level as it is digging the hole for sensor)

preparation

Conduct System Check 
Plug the sensor into the logger (

Section 2.3

) to make sure the sensor 

is functional.

Installation

Create Hole 
Avoid interfering objects, such as roots or rocks.

Mark the required drilling depth (104 cm) on the TEROS 06 auger.

Drill a hole stepwise until the marker reaches the soil surface (

Section 2.3

). 

Avoid soil compaction by drilling with several steps (maximum drilling step 

length = 30 cm). 

ATTENTION:  Minimize air gaps and soil compaction around the sensor. Air gaps around 
the sensor will result in slow readings of soil temperature.

Dig a narrow trench 15 cm deep with a spade from the TEROS 06 installation 

location to the data logger site to bury the sensor cable.

Summary of Contents for TEROS 06

Page 1: ...1 Connect to METER Data Logger 5 2 3 2 Connect to a Non METER Data Logger 6 2 4 Communication 8 2 5 Removing the Sensor 9 3 System 10 3 1 Specifications 10 3 2 Components 13 4 Service 14 4 1 Calibrat...

Page 2: ......

Page 3: ...ture at specified depths following World Meteorological Organization WMO recommendations TEROS 06 is designed for measurements in the field in lysimeters and in water bodies The small diameter of 20 m...

Page 4: ...in Table 1 to set up the TEROS 06 and start collecting data Table 1 Installation Tools Needed TEROS 06 auger Dead blow hammer PVC casing or flexible conduit to protect cables Cable inserting tool if...

Page 5: ...driving over sensor cables tripping over cables not leaving enough cable slack during installation or poor sensor wiring connections Install cables in conduit or plastic cladding when near the ground...

Page 6: ...th a dead blow hammer until the auger head is 30 cm in the ground Continue to check the level for a proper upright angle until the auger is in far enough that the angle does not change 5 Rotate the au...

Page 7: ...nector wiring used with METER loggers 1 1 2 2 3 3 4 4 Male plug on sensor cable Female plug on connecting cable Figure 3 4 pin M12 plug connector used with non METER loggers 2 3 1 CONNECT TO METER DAT...

Page 8: ...s 3 Wire it directly into the data logger This option has the advantage of creating a direct connection with no chance of the sensor becoming unplugged However it then cannot be easily used in the fut...

Page 9: ...has the M12 plug connecting cables connect the TEROS 06 wires to the data logger as illustrated in Figure 6 and either Figure 7 or Figure 8 depending on the desired protocol Connect the screen thick...

Page 10: ...a bus use the METER ZSC and the METER ZENTRA Utility Mobile app to change the sensor SDI 12 address See the individual sensor integrator guide for more information about the SDI 12 protocol in the se...

Page 11: ...ING THE SENSOR To remove the sensor from the soil pull gently on the sensor shaft until the sensor is out of the soil WARNING Do not pull by the cable Doing so may break internal connections and make...

Page 12: ...terface DDI serial communications protocol SDI 12 communications protocol RS 485 two wire serial interface M12 connector only tensioLINK serial communications protocol Modbus RTU communications protoc...

Page 13: ...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 Typical Maximum 28 0 V...

Page 14: ...t Drain While Asleep Minimum NA Typical 80 0 mA Maximum NA Power Up Time DDI Serial Ready Minimum 210 ms Typical NA Maximum 400 ms Power Up Time SDI 12 Ready DDI Disabled Minimum 210 ms Typical NA Max...

Page 15: ...cm high stainless steel ring and the digital sensor is mounted at the inner surface of the stainless steel ring The stainless steel rings have thermal contact to the soil and they transmit the soil te...

Page 16: ...ntact Customer Support Table 2 Troubleshooting the TEROS 06 Problem Possible Solutions Data logger is not recognizing sensor If using a METER logger update logger firmware Check the logger configurati...

Page 17: ...day 8 00 to 17 00 Central European time Email support europe metergroup com sales europe metergroup com Phone 49 89 12 66 52 0 Fax 49 89 12 66 52 20 Website metergroup de If contacting METER by email...

Page 18: ...ta acquisition system See installation connecting the TEROS 06 E email address 15 F fax number 15 I installation 2 connecting the TEROS 06 4 6 mounting 3 tools required 2 M measurements 10 12 measurem...

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