The MSR 255 is a robust multi-talent datalogger with an integrated LCD screen. The unit has the option of measuring temperature, humidity, air pressure and light sensors with both internal and external sensors together with the option of a 3-axis accelerometer (X, Y and Z axes). The units are currently available in a standard IP 60, and will shortly be available in a waterproof IP67, housings. The MSR 255 has an internal memory for over 2 million readings and uses an internal 2300mAh rechargeable lithium polymer battery.
The MSR 255 can be configured with a choice of temperature, humidity, air pressure and light sensors (fitted internally within the case or externally on a cable) together with a sensor for measuring acceleration in all three co-ordinate axes. The 3-axis acceleration sensor allows the peak value to be recorded once a second whilst making measurements of up to 1600 values per second per axis. In addition, the voltage of four further external analogue channels or sensors can also be recorded. The analogue inputs feature an alarm output, multiple output switching power supply and an input for starting and stopping data recording.
The memory capacity of the MSR 255 is over 2 million measurement parameters. Thanks to its high-capacity lithium polymer battery the datalogger is ideal for long-term data acquisition applications. The 4-row backlit LCD display has four individually configurable views. All acquired data can be quickly transferred to a PC or laptop via the USB interface. Technical Specifications
General Specifications:
Housing: Anodised aluminium industrial case (standard IP60, optional IP67 protection class), top-hat rail snapper (TS 35) Size & Weight: 78 x 62 x 38 mm, approx 222g Memory Capacity: Over 2,000,000 measurement parameters Operation: Two keys for selecting functions and controlling data recording Display: Four row LCD matrix display LED: 3 colour LED to indicate data recording, alarm and charge condition Power supply: Rechargeable lithium polymer battery 230mAh. Interface: USB (Mini-B)
Air Pressure (absolute, includes integrated temperature)
3-Axis Acceleration (peak value detection/fast peak)
Light
4 Analog inputs 0 to 3.0 V, 12 bit via separate analogue input module.
Working Range: Internal Temperature: -20 to 65°C External Temperature: -55 to 125°C Humidity (with integrated temperature): 0-100% RH, Temp (-20 to +65°C) Internal Pressure (with intergrated temperature): 0-2000 mbar (Temp -20 to +65°C) External Pressure (with intergrated temperature): 0-14 Bar (Temp -20 to +65°C) Acceleration: ±15g. Light: 0-65,000 Lux
Accuracy: Internal Temperature:±0.5°C (0 to +65°C) External Temperature: ±2°C (-55 to +125°C) Humidity: ±2% RH (10-85% RH, 0 to 40°C) (Temp ±0.5°C) Pressure: ±2.5mbar (750-1100mbar absolute) (Temp ±0.5°C) External Pressure: ±50mbar (1-10 Bar absolute) (Temp ±0.5°C) Acceleration: ±0.15g (25°C) Light: Max. Sensitivity at 500 nm
Storage Rate: Temperature and Humidity: once a second to every 12 hours. Pressure: once a second to every 12 hours. Acceleration: Measurements up to 1600Hz, but will store peak readings every second. Light: once a second to every 12 hours.
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