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Met One- 597A Temperature Humidity Pressure Sensor

The Met One 597A is a compact, weatherproof sensor that simultaneously measures temperature, relative humidity, and atmospheric pressure. Designed for both digital and analog outputs, it is ideal for environmental monitoring, climate research, and meteorological applications, offering high accuracy in a durable, IP65-rated aluminum housing.

  • Multi-Parameter Measurement: Measures temperature (-50 °C to +70 °C), relative humidity (0–100%), and pressure (500–1100 mbar) with high accuracy.
  • Versatile Output Options: Supports RS-232C, SDI-12, RS-485, and 0–2.5 VDC standard outputs; optional 0–1 VDC or 0–5 VDC.
  • Durable & Weatherproof: Aluminum housing is anodized and powder-coated with IP65 rating, suitable for outdoor installation.
  • Easy Installation & Operation: Compact design (178 mm diameter × 203 mm length), low power requirement (9–36 VDC), and simple setup for environmental monitoring.

Description

The Met One 597A Temperature, Humidity, and Pressure Sensor is a versatile environmental monitoring instrument designed to provide accurate, real-time measurements in a compact and durable package. It can measure temperatures from −50 °C to +70 °C with an accuracy of ±0.2 °C, relative humidity from 0–100 % with ±2 % accuracy, and atmospheric pressure from 500 to 1100 mbar with ±0.5 mbar accuracy. The sensor provides high-resolution readings (0.01 °C for temperature, 0.1 % for humidity, and 0.01 mbar for pressure) and a fast measurement rate of 1 Hz, making it suitable for precise monitoring of environmental conditions in research, weather stations, and industrial applications.

Engineered for durability, the 597A features an anodized and powder-coated aluminum housing with a weatherproof IP65 rating. It supports multiple analog (0–2.5 VDC, 0–1 VDC, 0–5 VDC) and digital outputs (RS-232C, SDI-12, RS-485) for easy integration into monitoring networks. Lightweight and easy to install, the sensor operates over a full range of temperatures and humidity levels and draws minimal power (25 mA typical at 12 VDC). Its combination of precision, ruggedness, and compact design makes the 597A ideal for ambient monitoring, climate research, and environmental data collection.

Features

  • Pressure, Humidity, and Temperature.
  • Compact Style.
  • Aluminum that has been anodized and powder coated.
  • Analog and digital outputs.
  • Simple installation
  • Weatherproof Rating of IP65.

Specifications

Environmental Sensor Specifications

Parameter Range Accuracy Resolution / Notes
Temperature -50 °C to +70 °C (-58 °F to +158 °F) Digital: ±0.2 °C
Analog: ±0.2 °C, ±1 mV
0.01 °C
Relative Humidity 0 – 100 % Digital: ±2 %
Analog: ±2 %, ±1 mV
0.1 %
Pressure 500 – 1100 mbar (14.8 – 32.5 inHg) Digital: ±0.5 mbar
Analog: ±0.5 mbar, ±1 mV
0.01 mbar
Measurement Rate 1 Hz
Data Storage None
Standard Signal Output RS-232C, SDI-12, RS-485, 0–2.5 VDC
Optional Signal Output 0–1 VDC, 0–5 VDC
Power Supply 9–36 VDC, 25 mA typical @ 12 VDC
Operating Environment Temperature: -50 °C to +70 °C
Humidity: 0–100 %
Physical Dimensions Diameter: 178 mm (7 in)
Length: 203 mm (8 in)
Weight: 2.3 kg (5 lb)

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