SM150T - Sensor Humidade e Temperatura do Solo

SM150T

Delta T

New

Nota: O cabo e os acessórios devem ser pedidos separadamente.

215,00 €

O Sensor mede: Temp./Umidade Solo
Sinal de Saída: 0 - 1 Vdc
Energía: 5-14 V, ~18 mA

Sensor de Humedad y Temperatura del Suelo

  • Precisão confiável de ± 3% de umidade do solo
  • Medição de temperatura integrada
  • Robusto e enterro, com 5 anos de garantia.

 

The new SM150T measures soil moisture and temperature with research-grade accuracy. It offers stable, robust and reliable performance at a great price.


Research grade sensor

The new SM150T’s advanced patented electronics and tough build produce a highly dependable sensor with exceptional salinity and temperature stability. The SM150T is engineered to withstand long term burial – the sensor, connectors and cable are all environmentally protected to IP68. It offers moisture accuracy of ± 3% (after soil specific calibration) and the built in temperature sensor achieves ± 0.5°C.

Data logging and readout

The SM150T is a dual purpose probe – it can be used portably for instant moisture readings, or left installed in the soil connected to a data logger, to provide long-term moisture and temperature data.

For installed sensors:
The SM150T can be logged by any Delta-T Devices data logger and by many loggers from other manufacturers (simple 0-1 V output for moisture, 10K thermistor for temperature). To record temperature the sensor must be fully buried and connected to a data logger.

For portable use:
The SM150T is available as part of the convenient SM150 Kit, complete with carry case and HH150 readout meter.  Find out more about the SM150 Kit.

Please note that the HH150 Meter supplied with the SM150 Kit is a readout-only device. If PC connectivity for data storage and download is a requirement, the SM150T should be used with the HH2 Moisture Meter instead.

NB: When used in portable mode the SM150T Sensor does not provide temperature indication.

Installation

The SM150T is easy to insert and install – its sharp pins minimise soil disturbance and preserve the original soil structure around the measurement rods. For burial at depth the cylindrical shape facilitates installation in augered holes. The threaded base of the sensor can be connected to optional 50cm and 100cm extension tubes, which assist with placement and removal.

The SM150T uses the same high quality range of cables and extensions as the ML3 and EQ3 sensors.

Calibration

The SM150T comes complete with general calibrations for mineral and organic soils. A two-point soil specific calibration can be performed for greater accuracy if required.

Applications

Soil science – The SM150T is easy to install and provides accurate measurement of soil moisture and temperature – simplifying the vertical profiling of both parameters. (Temperature measurement requires burial of the probe).

Horticulture – With a length of only 143 mm (rods 51 mm), the SM150T can be installed in grow-bags and plant pots. For portable use, the SM150 Kit provides a simple, rugged solution to checking the uniformity of growing conditions across many types of growing media. Substrate calibrations include perlite, coir, peat, and mineral wool, as well as soils. SM150T for Horticulture use.


Irrigation –
The accuracy and ruggedness of the SM150T makes it a natural choice for system integrators – more information is available in the SM150T System Integrator Data Sheet.

Product history

The new SM150T replaces both the SM300 and SM150 Sensors, combining their strengths and offering great value.

Especificações:

Precisão: ± 0,03 m3.m-3 (3%)

teor volumétrico de água (VWC) ± 0,5 ° C (0 a 40 ° C para sensor de temperatura)

Faixa de medição de umidade do solo: 0 a 1,0 m3.m-3 (100%), mas menos precisa acima de 70% VWC

Faixa de salinidade: 50 a 1000 mS.m-1 ± 5% vol acima de 100 a 1000 mS.m-1 e 0-60% VWC

Faixa de temperatura: Precisão total acima: 0 a 60 ° C

Saída: diferencial de 0 a 1,0 V. Correspondente de 0 a ~ 0,6 m3.m-3

Fonte de alimentação: 5-14 V, ~ 18 mA por 1s. Mínimo de 5 V com cabo de 100 m.

Ambiente: IP68 com cabos fornecidos pela Delta-T

Volume de amostra: ~ 55 x 70 mm de diâmetro. O volume da amostra é pesado em direção ao solo ao redor das hastes.

Dimensões e peso: Total: 143 x 40 mm de diâmetro. Hastes: 51 mm x 2,5 mm de diâmetro. Peso: 0,1 kg (excl. Cabo)

Calibrações dos sensores: os sensores individuais são intercambiáveis. A recalibração é recomendada a cada 3 anos (dependendo do uso)

Calibrações do solo: são fornecidas calibrações generalizadas do solo orgânico e mineral.

CABOS OPCIONAIS:

ML-INK1 ThetaProbe Insertion Kit
ML-RODS-3 Stainless steel rods for ML3 and ML2x
SMSC/sw-05 SMS sensor cable 5m, bare wire
SMSC/Iw-05 SMS cable 5m, long bare wire:
SMS cable 5m, long bare wire. IP68 M12 connector (f) to bare wire. Connects ML3 or SM150T Soil Moisture Sensor to data loggers. 200mm flying leads suited to DL2e Logger connection.
SMSC/d-HH2 Cable SMS to HH2:
SMSC/d-HH2 Cable SMS to HH2. IP68 M12 connector (f) to 25-way D socket. Connects ML3 or SM150T. Soil Moisture Sensor to HH2 Moisture Meter.
EXT/5W-01 1m extension cable, 5-way M12
EXT/5W-05 5m extension cable, 5-way M12
EXT/5W-10 10m extension cable, 5-way M12
EXT/5W-25 25m extension cable, 5-way M12
SM-AUG-100 Spiral Auger, 45mm diameter, length 1.2m.
ML/EX50 50cm Extension Tube for ML3, ML2x, SM300, SM150 and EQ2
ML/EX100 100cm Extension Tube for ML3, ML2x, SM300, SM150 and EQ2

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