Temperature Sensors for Air, Soil, & Water 
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| 210-201 Air Temperature Sensor | 210-600 Soil or Water Temperature Sensor | 210-4470 & 210-4480 Temperature Probes | 210-4482 Temperature Probe |
NovaLynx offers a wide variety of temperature probes for air, water, and soil temperature measurements. Most of the probes will interface to various data loggers with some additional external conditioning resistors. Some of the probes require signal conditioning to produce a linear analog output, i.e. 0-5 Vdc or 4-20 mA. For correct air temperature measurements the probes should be placed in a solar radiation shield. NovaLynx offers a variety of solar radiation shields to choose from.
The Model 210-201 Air Temperature Sensor and the Model 210-600 Water/Soil Temperature Sensor are two-terminal integrated circuit transducers that provides a liner output current proportional to the absolute temperature. Laser trimming of the chip's thin film resistors is used to calibrate the output. They are supplied with 25' cable but can be used with longer lengths because the high impedance current is insensitive to voltage drop over long lines. These probes will interface with most of the NovaLoggers with an external resistor. The 135-104 Series Translator Boards will convert the signal to an analog signal, i.e. 0-5V to 4-20 mA.
The Model 210-301 Temperature Sensor is a three-terminal integrated circuit sensor whose output voltage is linearly proportional to the Fahrenheit temperature. This sensor does not require any external calibration or trimming to provide typical accuracies of ± 0.5°F at room temperature and ± 1.5°F over a full 0-120°F temperature range. It operates from 5-30 Vdc and has a linear 10mV/°F output. With a common reference to input and output, it easily interfaces with most dataloggers and outputs a direct reading analog output, i.e. 0.8 Vdc = 80°F.
The Model 210-4470 Platinum Resistance Temperature Probes can input directly to a temperature recorder or to a signal conditioning module to provide an analog voltage output proportional to temperature. The 99.99% pure platinum wire has a resistance of 100 ohms at 0°C. The platinum element is encased in a 6" long stainless steel housing and the cable is sealed to prevent moisture intrusion. Other probe configurations (piercing models, thermowell adapters, etc.) are available on special order.
The 210-4480 Series Thermistor Probes incorporate a 3-element thermistor composite and its measuring range is ‑50°C to +50°C when used in conjunction with the thermolinear network.
Specifications
210-201 & 210-600
Range: -40° to +140°F (-40° to +60°C)
Output: 1µA/°K for supply voltages between +4 and +30 V (298.2µA at 25°C)
Accuracy: ± 0.4°C
Linearity: 0.3°C
Humidity: 0-100% RH
Size: 2" L x 1/4" dia
Weight: 1 lb/2 lb
210-301
Range: 0°F to 120°F
Output: 0 to 1.2 Vdc, current drain 0.075 mA (with single DC power supply 5-30 Vdc)
Accuracy: ± 0.5°F at 77°F, ± 1.5°F over full range
Linearity: ± 0.5°F typical
Humidity: 0-100% RH
Size: 2" L x 1/4" dia
Weight/shipping: 1 lb/2 lb
210-4470
Sensor element: 100 ohm platinum wire
Range: -50°C to 100°C
Absolute interchangeability and accuracy: 210-4470: ± 0.3°C, 210-4470-A: ± 0.1°C
Time constant: 15 seconds
Probe size: 0.4" dia x 6" L
Weight/shipping: 0.5 lb/1 lb
Signal conditioner: 210-TX92A-1-L RTD Transmitter, -40° to 140° F (-40° to +60 °C), 4-20 mA
210-4480
Sensor element: 3-element composite thermistor
Range: -50°C to +50°C
Accuracy and interchangeability: ± 0.1°C when incorporated in a thermolinear network
Time constant: 1.4 minute
Size: 210-4480: 0.43" dia x 5.25" L
210-4482: 2" W x 8.5" L
210-4485: 0.5" dia x 3.2" L
Signal conditioner: 195-208 Resistor Network for NovaLogger and other dataloggers requires a regulated low level DC source from the datalogger.
Ordering Information
210-201 Air Temperature Sensor, includes 25' cable
210-600 Water/Soil Temperature Sensor, includes 25' cable
330-0324 Cable, 3 conductor 24 AWG shielded
330-0218DB Cable for water and soil probes, 2 conductor 20 AWG direct burial
210-301 Air Temperature Sensor, includes 25' cable
330-0324 Cable, 3 conductor 24 AWG shielded
210-4480-A Air Temperature Probe, 3-element thermistor, includes 5' cable
210-4480-B Air Temperature Probe, includes 20' cable
210-4480-C Air Temperature Probe, includes 30' cable
210-4482 Underwater Temperature Probe, includes mounting hardware for evaporation pan and 50' cable
210-4485 Water/Soil Temperature Probe, includes 50' cable
195-208 Precision Resistor Network
330-0420 Cable, 4 conductor 20 AWG shielded
330-T600704 Cable for water and soil probes, 4 conductor 18 AWG Neoprene
210-4470 Platinum Resistance Temperature Probe, ± 0.3°C accuracy, includes 10' of 3 conductor cable
210-4470-A Platinum Resistance Temperature Probe, ± 0.1°C accuracy, includes 5' of 4 conductor cable
210-TX92A-1-L RTD Transmitter, -40/140F (-40/60C), 4-20 mA, for 210-4470 and 210-4470-A
330-0324 Cable, 3 Conductor 24 AWG
330-0424 Cable, 4 Conductor 24 AWG
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