Fluke 2456-LEM Laboratory Environment Monitor

The Fluke 2456-LEM Laboratory Environment Monitor (LEM) stands out as a cutting-edge solution for precise environmental monitoring in laboratories. Designed to measure barometric pressure, ambient temperature, relative humidity, and air density, the 2456-LEM is a sophisticated device that offers accuracy and reliability in data acquisition.

Key Features

One of the standout features of the Fluke 2456-LEM is its ability to communicate via RS-232 or RS-485, providing flexibility in connectivity options. This allows seamless integration into laboratory setups for real-time monitoring. Additionally, the monitor includes software that displays all measured parameters and supports data logging and calibration. With precision down to 0.1 °C, the 2456-LEM ensures high-quality data for scientific research and experimentation.

Environmental Parameters Measured

The Laboratory Environment Monitor is equipped to measure various critical environmental parameters:

• Barometric Pressure: Understanding atmospheric pressure is crucial in experiments sensitive to pressure changes. The Fluke 2456-LEM provides accurate barometric pressure readings.
• Ambient Temperature: Temperature control is vital in many laboratory processes. The monitor’s precise temperature measurements contribute to maintaining optimal conditions.
• Relative Humidity: For experiments influenced by humidity levels, the Fluke 2456-LEM offers reliable data on relative humidity, ensuring controlled and repeatable conditions.
• Air Density: Air density is a key factor in aerodynamics and fluid dynamics experiments. The monitor’s capability to measure air density adds versatility to its applications.

Application in Research

Researchers can benefit significantly from the Fluke 2456-LEM’s capabilities. In studies where environmental conditions play a crucial role, such as material testing, biological research, or chemical reactions, having a precise and reliable environmental monitor is essential. The 2456-LEM not only provides accurate real-time data but also allows for long-term online determination of environmental conditions, contributing to the robustness of scientific findings.

Fluke 2456-LEM Laboratory Environment Monitor Specifications:

• Units:
  • Temperature: °F or °C
  • Pressure: mmHg, cmHg, inHg, kPa, mbar, psi, bar, kg/cm2
  • Humidity: %RH Air Density: g/cm3, kg/m3, lb/in3
• Power: 10 to 36 V dc, 250 mA maximum (supplied with 115/230 ac adapter). Optional power via RS-485.
• Temperature:
  • Operating: 18 °C to 28 °C (64 °F to 82 °F)
  • Storage: -20 °C to 70 °C (-4 °F to 158 °F)
• Humidity: 5 % to 95 % RH, non-condensing
• Weight: 0.23 kg (0.5 lb)
• Dimensions: (H x W x D) 133.35 mm x 82.55 mm x 31.75 mm (5.25 in x 3.25 in x 1.25 in)
• Communications: RS-232 or RS-485
• Warm-up time: 30 minutes
• Data update: One second
• Temperature: 18 °C to 28 °C (64 °F to 82 °F)
• Pressure: 20 inHg to 34 inHg (700 mbar to 1150 mbar)
• Humidity: 5 to 95 % RH
• Precision:
  • Temperature: ± 0.1°C (0.18 °F)
  • Pressure: ± 0.04 inHg (1.3 mbar)
  • Humidity: ± 3 % RH Precision is defined as the combined effects of linearity, repeatability and hysteresis.
• Total uncertainty:
  • Temperature: ± 0.5°C (0.9 °F) per year
  • Pressure: ± 0.08 inHg (2.7 mbar) per year
  • Humidity: ± 10 % RH per year