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Ideal for environmental temperature and relative humidity acquisition, this sensor features an aluminum probe and internal filter that protects against dust, soot, and other contaminants. Additionally, this calibratable sensor boasts ±0.18°F (±0.1°C) accuracy and has a USB port that makes it usable in minutes.
Ideal for environmental temperature and relative humidity acquisition, this sensor features an aluminum probe and internal filter that protects against dust, soot, and other contaminants. Additionally, this calibratable sensor boasts ±0.18°F (±0.1°C) accuracy and has a USB port that makes it usable in minutes.
The TRH450, a member of the TRH series, is designed for environmental measurements of temperature and relative humidity with enhanced accuracy of ±0.18°F (±0.1°C) for temperature and ±1.5 %RH for relative humidity. It offers an extended operating range of -40 to 257°F (-40 to 125°C), fine resolution, and robust protection thanks to an anodized aluminum tip and PTFE membrane. Powered via USB with a 1-meter cable, it is ideal for applications requiring precise monitoring in challenging conditions.
Like all Dracal measurement instruments, the TRH450 is compatible with free software tools, making it an essential component of a DAQ solution. For those who wish to integrate the TRH450 into their system, there are two options available: command line tools and VCP mode (VCP- model, sold separately). If you prefer a graphical interface, DracalView is the appropriate choice.
Features
Applications
| Temperature | |
| Operating Range | -40 to 257°F (-40 to 125°C) |
| Accuracy | -40 to 68°F (-40 to 20°C): Typ.: ±0.36°F (±0.2°C) Maximum: ±0.54°F (±0.3°C) 68 to 140°F (20 to 60°C): Typ.: ±0.18°F (±0.1°C) Maximum: ±0.54°F (±0.3°C) 140 to 257°F (60 to 125°C): Typ.: ±0.72°F (±0.4°C) Maximum: ±1.08°F (±0.6°C) -40 to 257°F (-40 to 125°C): Typ.: ±0.72°F (±0.4°C) Maximum: ±1.08°F (±0.6°C) |
| Resolution | Typ.: 0.027°F (0.015°C) |
| Repeatability | Typ.: 0.108°F (0.06°C) |
| Response Time | t63%: 10s |
| Factory Calibrated | Yes, individually |
| Relative Humidity | |
| Operating Range | 0 to 100% RH, non-condensing |
| Accuracy | 0 to 80% RH at 77°F (25°C): Typ.: ±1.5% RH Maximum: ±2% RH 80 to 100% RH at 77°F (25°C): Typ.: ±2% RH Maximum: ±3% RH 0 to 80% RH from 50 to 122°F (10 to 50°C): Typ.: ±1.5% RH Maximum: ±2% RH 0 to 100% RH from 32 to 176°F (0 to 80°C): Typ.: ±2% RH Maximum: ±3% RH |
| Resolution | Typ.: 0.01% RH |
| Hysteresis | At 77°F (25°C): 0.8% RH |
| Factory Calibrated | Yes, individually |
| Probe | |
| Operating Range | -40 to 257°F (-40 to 125°C) |
| Cable | Material: Silicon Length: 3' (1 m) |
| Filters | Material: Layer 1: Anodized Aluminum Layer 2: PTFE membrane Efficiency: 99.99% for particle size ≥200 nm |
| Housing and USB cable | |
| Operating Range | Temperature: 32 to 158°F (0 to 70°C) Humidity: 10 to 90% RH, non condensing |
| Material | ABS |
| IP Rating | 51 |
| USB Cable Length | 3' (1 m) |
| General Specifications | |
| Voltage | Powered through a USB port, 5 V |
| Current Consumption | ≤18 mA at 5V |
| Colour | Cyan |
| ADC Resolution | 16 bits |
| Long-Term Stability | Maximum: 0.03 |
| Temperature Compensated | Yes, by the manufacturer |
| Lifetime | 5 years |
| Weight | 1.76 oz (50 g), without USB cable |
| Temperature | |
| Operating Range | -40 to 257°F (-40 to 125°C) |
| Accuracy | -40 to 68°F (-40 to 20°C): Typ.: ±0.36°F (±0.2°C) Maximum: ±0.54°F (±0.3°C) 68 to 140°F (20 to 60°C): Typ.: ±0.18°F (±0.1°C) Maximum: ±0.54°F (±0.3°C) 140 to 257°F (60 to 125°C): Typ.: ±0.72°F (±0.4°C) Maximum: ±1.08°F (±0.6°C) -40 to 257°F (-40 to 125°C): Typ.: ±0.72°F (±0.4°C) Maximum: ±1.08°F (±0.6°C) |
| Resolution | Typ.: 0.027°F (0.015°C) |
| Repeatability | Typ.: 0.108°F (0.06°C) |
| Response Time | t63%: 10s |
| Factory Calibrated | Yes, individually |
| Relative Humidity | |
| Operating Range | 0 to 100% RH, non-condensing |
| Accuracy | 0 to 80% RH at 77°F (25°C): Typ.: ±1.5% RH Maximum: ±2% RH 80 to 100% RH at 77°F (25°C): Typ.: ±2% RH Maximum: ±3% RH 0 to 80% RH from 50 to 122°F (10 to 50°C): Typ.: ±1.5% RH Maximum: ±2% RH 0 to 100% RH from 32 to 176°F (0 to 80°C): Typ.: ±2% RH Maximum: ±3% RH |
| Resolution | Typ.: 0.01% RH |
| Hysteresis | At 77°F (25°C): 0.8% RH |
| Factory Calibrated | Yes, individually |
| Probe | |
| Operating Range | -40 to 257°F (-40 to 125°C) |
| Cable | Material: Silicon Length: 3' (1 m) |
| Filters | Material: Layer 1: Anodized Aluminum Layer 2: PTFE membrane Efficiency: 99.99% for particle size ≥200 nm |
| Housing and USB cable | |
| Operating Range | Temperature: 32 to 158°F (0 to 70°C) Humidity: 10 to 90% RH, non condensing |
| Material | ABS |
| IP Rating | 51 |
| USB Cable Length | 3' (1 m) |
| General Specifications | |
| Voltage | Powered through a USB port, 5 V |
| Current Consumption | ≤18 mA at 5V |
| Colour | Cyan |
| ADC Resolution | 16 bits |
| Long-Term Stability | Maximum: 0.03 |
| Temperature Compensated | Yes, by the manufacturer |
| Lifetime | 5 years |
| Weight | 1.76 oz (50 g), without USB cable |
