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Designed to detect temperature and humidity, this probe has an M8 4-pin waterproof IP67 connector and a built-in particle filter, making it ideal for extreme environmental conditions. In addition, this 4.72" (12 cm) factory-calibrated probe communicates seamlessly via standard I2C protocol.
Designed to detect temperature and humidity, this probe has an M8 4-pin waterproof IP67 connector and a built-in particle filter, making it ideal for extreme environmental conditions. In addition, this 4.72" (12 cm) factory-calibrated probe communicates seamlessly via standard I2C protocol.
Based on the Sensirion SHT31 sensor, the I2C-M8-TRH320 is a specifically designed probe for temperature and humidity acquisition, in harsh and extreme humidity conditions. It is factory calibrated, linearized and temperature compensated. Thanks to its precision electronics, extremely small variations in temperature and humidity can be acquired. This makes the probe a convenient field interchangeable unit.
It is provided with a M8 waterproof IP67 standard connector for quick connection to our sensors that supports an external probe. The built-in particle filter provides protection against dust, soot and other contaminants. This product communicates using the standard I2C protocol.
It is also possible to use this probe with a wide variety of microcontrollers and single-board computers such as the Raspberry pi, Arduino and similar products, that supports the I2C communication protocol.
Features
Applications
| Temperature | |
| Operating Range | -40 to 158°F (-40 to 70°C) |
| Accuracy | 32 to 158°F: Typ. ±0.36°F (0 to 70°C: ±0.2°C) -40 to 32°F: ±0.9°F (-40 to 0°C: ±0.5°C) |
| Resolution | 0.027°F (0.015°C) |
| Repeatability | Typ.: 0.108°F (0.06°C) |
| Response Time | t63% at 167°F (75°C): 8 seconds |
| Long-Term Drift | Typ.: ≤0.054°F/year (≤0.03°C/year) |
| Factory Calibrated | Yes, individually |
| IP Rating | Connector: IP67 Probe: IP54 |
| Relative Humidity | |
| Operating Range | 0 to 100 % RH, non-condensing |
| Accuracy | 0 to 100% RH at 77°F (25°C): Typ.: ±2% RH 0 to 90% RH at 77°F (25°C): Maximum: ±2.5% RH 90 to 100% RH at 77°F (25°C): Maximum: ±3.5% RH |
| Resolution | Typ.: 0.01 % RH |
| Repeatability | 0.15 % RH |
| Hysteresis | At 77°F (25°C): ±0.8% RH |
| Long-Term Drift | Typ.: ≤0.25 % RH/year |
| Factory Calibrated | Yes, individually |
| Probe | |
| Filter | Material: Layer 1: Polyethylene terephthalate (PET) Layer 2: PTFE membrane Efficiency: Layer 2: Particle size ≥200 nm: 99.99% |
| General Specifications | |
| Supply Voltage | With a 12 cm probe: 3 to 5 V DC |
| Current Consumption | Measuring, at 5V: 1.5 mA Idle, periodic acq., 5V: 45 μA |
| Protocol | I2C |
| Maximum Speed | 1 Mhz |
| Colour | Black |
| Connector Type | M8 |
| Arrangement Code Type | 4-pin A |
| Polarity | Male |
| Lifetime | 5 years |
| Dimensions | Overall length: 4.72" (12 cm) |
| Weight | 0.35 oz (10 g) |
| Temperature | |
| Operating Range | -40 to 158°F (-40 to 70°C) |
| Accuracy | 32 to 158°F: Typ. ±0.36°F (0 to 70°C: ±0.2°C) -40 to 32°F: ±0.9°F (-40 to 0°C: ±0.5°C) |
| Resolution | 0.027°F (0.015°C) |
| Repeatability | Typ.: 0.108°F (0.06°C) |
| Response Time | t63% at 167°F (75°C): 8 seconds |
| Long-Term Drift | Typ.: ≤0.054°F/year (≤0.03°C/year) |
| Factory Calibrated | Yes, individually |
| IP Rating | Connector: IP67 Probe: IP54 |
| Relative Humidity | |
| Operating Range | 0 to 100 % RH, non-condensing |
| Accuracy | 0 to 100% RH at 77°F (25°C): Typ.: ±2% RH 0 to 90% RH at 77°F (25°C): Maximum: ±2.5% RH 90 to 100% RH at 77°F (25°C): Maximum: ±3.5% RH |
| Resolution | Typ.: 0.01 % RH |
| Repeatability | 0.15 % RH |
| Hysteresis | At 77°F (25°C): ±0.8% RH |
| Long-Term Drift | Typ.: ≤0.25 % RH/year |
| Factory Calibrated | Yes, individually |
| Probe | |
| Filter | Material: Layer 1: Polyethylene terephthalate (PET) Layer 2: PTFE membrane Efficiency: Layer 2: Particle size ≥200 nm: 99.99% |
| General Specifications | |
| Supply Voltage | With a 12 cm probe: 3 to 5 V DC |
| Current Consumption | Measuring, at 5V: 1.5 mA Idle, periodic acq., 5V: 45 μA |
| Protocol | I2C |
| Maximum Speed | 1 Mhz |
| Colour | Black |
| Connector Type | M8 |
| Arrangement Code Type | 4-pin A |
| Polarity | Male |
| Lifetime | 5 years |
| Dimensions | Overall length: 4.72" (12 cm) |
| Weight | 0.35 oz (10 g) |
