Delta-T SM150-KIT Quick Start Manual Download | Manualshive

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SM150T

Soil Moisture Sensor

Quick Start Guide

Version 4.0

Delta-T Devices Ltd

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Summary of Contents for SM150-KIT

Page 1: ...SM150T Soil Moisture Sensor Quick Start Guide Version 4 0 Delta T Devices Ltd ...

Page 2: ... 2017 Delta T Devices Ltd Page 2 SM150T overview 1 Cables 2 Installation 4 HH2 5 Data Loggers 3 HH150 Manual readings Manual readings with memory Automatic readings with memory ...

Page 3: ...r tight Note HH150 and HH2 meters do not read SM150T temperature ML EX50 50cm ML EX100 100cm SM AUG 100 Spiral Auger 1 2m Extension tubes SM150T soil moisture sensor SMCS d HH2 0 9m cable Connects SM150T to HH2 HH150 includes 1m cable Connects to SM150T SMSC lw 05 5m cable 200mm flying leads Connect to data logger EXT 5W 05 5m EXT 5W 10 10m EXT 5W 25 25m Logger extension cables SM150T HH150 Kit SM...

Page 4: ... soil surface temperature measurements For soil temperature near the surface dig a trench and install horizontally as shown below Cover both SM150T and the first 30cm of cable with at least 5cm of soil Installing at depth Auger a 45mm diameter hole 10 to vertical is recommended Fit an extension tube to the SM150T remember to pass the cable through the extension tube and fit the connector first Pus...

Page 5: ...ing Repeat as required You may wish to write down the readings The meter will sleep after 30 seconds The battery should last for about 10 000 readings How to Change Battery Turn on take and display reading Turn on show current setting OFF Mineral 32 2 vol Read Mineral Mineral 34 3 vol OFF Read Peat mix Coir Min wool Perlite Read Volts Place face down remove screws Holding the cable down against th...

Page 6: ... up screen press Set and scroll down to the Soil Type option Press Set again and scroll down to the appropriate soil type use Mineral for sand silt or clay soils or Organic for peaty soils Press Set to confirm this choice Choose the units you want for displaying readings At the start up screen press Set and scroll down to the Display option Press Set again and scroll down to select units Press Set...

Page 7: ...channel 2 as SM150T Temperature See also DeltaLINK software sensor Info Panel and Help or the GP2 User Manual GP1 2 SM150Ts can connect to each GP1 Each SM150T is wired as a differential powered sensor Channel 1 and 3 wiring SM150 wiring Colour GP1 terminal Power 0V brown CH1 GND Power V white CH1 PWR Signal HI blue CH1 Signal LO black CH1 Cable shield green CH1 GND Temperature grey Temp3 IN Using...

Page 8: ...oftware from www delta t co uk or from our Softaware and Manuals DVD DL2e Up to 30 SM150Ts may be connected or 60 if not reading the temperature Each soil moisture sensor is connected as a differential powered sensor This example uses channels 57 and 58 with a LAC1 input card configured in 15 channel mode and warm up channel 63 SM150T wiring Colour DL2e terminal Power 0V brown CH62 or 61 Power V w...

Page 9: ...ese generalised soil calibration values for mineral and organic soil types or carry out a soil specific calibration to derive your own values See SM150T User Manual Multiply x100 to convert soil moisture from m3 m 3 to volumetric Direct conversion for Mineral and Organic soils 𝜽𝒎𝒊𝒏𝒆𝒓𝒂𝒍 0 0714 1 7190𝑉 3 7213𝑉2 5 8402𝑉3 4 3521𝑉4 1 2752𝑉5 2 𝜽𝒐𝒓𝒈𝒂𝒏𝒊𝒄 0 0390 1 8753𝑉 4 0596𝑉2 6 3711𝑉3 4 7477𝑉4 1 3911𝑉5 ...

Page 10: ...cally read about 1 5 volts in tap water because the salinity is typically 50mS m 1 The water reading you get will depend on the salinity of your local water Note HH150 meter indicates TOO WET above 1 5V or 85 vol Graph showing the effect of salinity on SM150T sensor output when fully immersed in water with no soil present 0 00 10 00 20 00 30 00 40 00 50 00 60 00 70 00 80 00 90 00 100 00 0 0 0 2 0 ...

Page 11: ...ble with GP1 GP2 DL6 DL2e Cabling error contribution to temperature reading 0 C for GP1 GP2 DL6 any cable length 0 C for DL2e with 5m cable Maximum cable length 100m GP1 GP2 DL6 data loggers 100m DL2e water content measurement 25m DL2e temperature measurement Power requirement 5 14VDC 18mA for 1s Operating range 20 to 60 C Environment IP68 Sample volume 55 x 70 mm diameter Dimensions 143 x 40 mm d...

Page 12: ... Cambridge CB25 0EJ England UK Tel 44 1638 742922 Fax 44 1638 743155 E mail sales delta t co uk Web www delta t co uk Do not touch the rods or expose them to other sources of static damage particularly when powered up Keep the SM150T in its protective tube when not in use Ensure that the connectors are clean undamaged and properly aligned before pushing the parts together Screw together firmly for...

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