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Sensors

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Barometric Pressure Sensor Extended Range

Barometric Pressure Sensor Extended Range

Can be programmed to record in either metric ( mm ) or U.S. ( inches ) of Hg. Standard Sensor:
Range:…

Model
SP03671M

MX$6,568.58

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Barometric Pressure Sensor Std.

Barometric Pressure Sensor Std.

Can be programmed to record in either metric ( mm ) or U.S. ( inches ) of Hg. Standard Sensor:
Range:…

Model
SP03671

MX$6,043.05

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CO<sub>2</sub> Monitor

CO2 Monitor

Nondispersive infrared (NDIR) technology measures CO2 levels in ppm. May be used as a handheld portable (internal, rechargeable battery) or…

Model
SP02655

MX$18,121.74

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External (Soil) Temperature Sensor - 20 ft.

External (Soil) Temperature Sensor - 20 ft.

Use to measure soil, air or water temperature. Range from -30 degrees to 100 degrees C. Accuracy is +/-1degree F.…

Model
SP03667-20

MX$1,192.43

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External (Soil) Temperature Sensor - 6 ft.

External (Soil) Temperature Sensor - 6 ft.

Use to measure soil, air or water temperature. Range from -30 degrees to 100 degrees C. Accuracy is +/-1degree F.…

Model
SP03667

MX$1,030.77

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Irrigation On/Off Sensor

Irrigation On/Off Sensor

When used in conjunction with a Watermark Soil Moisture Sensor, you can analyze the relationship between irrigation On periods and…

Model
SP06451

MX$4,894.89

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Leaf Wetness Sensor

Leaf Wetness Sensor

Grid-like, resistance-type sensor mimics moisture on vegetation from 0 (dry) to 15 (wet). Up to two sensors per logger.…

Model
SP03666

MX$2,153.78

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Quantum Light Sensor

Quantum Light Sensor

Sensor captures radiation between 400 and 700 nanometers. Range: 0-2500 umol m2s1. Sensor drift is 1% per year and includes…

Model
SP03668I

MX$5,032.56

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Quantum Light Sensor

Quantum Light Sensor

Three cosine corrected Quantum sensors (spaced 4.6in/11.7cm) average their readings to minimize the effects of small shadows such as below…

Model
SP03668I3

MX$6,366.36

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Quantum Light Sensor

Quantum Light Sensor

Three cosine corrected Quantum sensors (spaced 4.6in/11.7cm) average their readings to minimize the effects of small shadows such as below…

Model
SP03668I6

MX$7,781.09

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Silicon Pyranometer Sensor

Silicon Pyranometer Sensor

Spectrum's sensor captures solar radiation between 300 and 1000 nanometers (nm) to calculate daily light integral with this pyranometer sensor. Range…

Model
SP03670I

MX$5,436.80

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Soil Moisture Transducer - R

Soil Moisture Transducer - R

Adapts to new and exisiting Irrometer tensiometers. Allows the use of the dial gauge for real-time measurements. Maximum of two…

Model
SP03669

MX$6,504.62

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Temperature (Micro) Sensor

Temperature (Micro) Sensor

Measure surface temperature of leaves and other applications with this micro-sensor.
Range: -22º to 212ºF. Accuracy ± 1ºF.…

Model
SP03667S

MX$1,849.19

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Tipping Bucket Rain Collector

Tipping Bucket Rain Collector

Measures rainfall 1/100th inch increments. Self-emptying, tipping bucket design is exceptionally accurate, freeze-resistant and reliable. Meets the guidelines of the…

Model
SP03665R

MX$4,220.39

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UV Sensor

UV Sensor

Spectrum's UV Light Sensor captures critical ultraviolet radiation between 250-400 nanometers. Range is 0-200.0 µmol m-2 s-1. Accuracy is +/-…

Model
SP03676I

MX$5,962.13

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Watermark Soil Moisture Sensor 11 ft

Watermark Soil Moisture Sensor 11 ft

Place this modified Watermark sensor in the root zone of crop or turf. Reads moisture from 0(saturated) to 200(dry) centibars.…

Model
SP06450WD

MX$1,675.05

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Watermark Soil Moisture Sensor 20 ft

Watermark Soil Moisture Sensor 20 ft

Place this modified Watermark sensor in the root zone of crop or turf. Reads moisture from 0(saturated) to 200(dry) centibars.…

Model
SP06450WD20

MX$1,979.64

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WaterScout SM 100 Sensor - 20ft

WaterScout SM 100 Sensor - 20ft

The key is knowing both when and how much to water! Maintaining a healthy water balance is essential…

Model
SP06460-20

MX$2,122.19

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WaterScout SM 100 Sensor - 6ft(1.8m)

WaterScout SM 100 Sensor - 6ft(1.8m)

The key is knowing both when and how much to water! Maintaining a healthy water balance is essential…

Model
SP06460

MX$1,919.97

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WaterScout SMEC 300 Soil Moisture/EC/Temperature Sensor

WaterScout SMEC 300 Soil Moisture/EC/Temperature Sensor

Whether it’s container pots in a greenhouse or turf on a putting green, the salinity of the root zone is…

Model
SP06470-6

MX$4,830.35

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Featured products
Waterproof ExStik® II pH/Conductivity Meter
Waterproof ExStik® II pH/Conductivity Meter
MX$4,771.85
What's New?
SteadyPix Pro Universal Camera/Smartphone Mount, 1.25"
SteadyPix Pro Universal Camera/Smartphone Mount, 1.25"
MX$1,318.59
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EXTRA 2.5 LB. WEIGHT FOR DVDWS, DVWS or WS SYSTEMS
EXTRA 2.5 LB. WEIGHT FOR DVDWS, DVWS or WS SYSTEMS
MX$538.20
MX$430.56
Bestsellers
  1. Watermark Soil Moisture Sensor 20 ft
  2. WaterScout SMEC 300 Soil Moisture/EC/Temperature Sensor
  3. Silicon Pyranometer Sensor
  4. External (Soil) Temperature Sensor - 6 ft.
  5. Quantum Light Sensor
  6. Irrigation On/Off Sensor
  7. Watermark Soil Moisture Sensor 11 ft
  8. WaterScout SM 100 Sensor - 6ft(1.8m)