255-704-A Evaporation Logger


255-704-A Evaporation Logger shown mounted on the 255-100 Evaporation Gauge	Sample Software Screen

The 255-704-A is a 4 channel data logger, set up to record the evaporation pan level.
The logger is a 12 bit device and can provide a 0.002" resolution.
43,000 date and time stamped measurements can be stored.
The software provides easy logger setup via direct connect USB.
Stored data is collected by a direct USB interface cable connected to a laptop or PC.
Graphing: View multiple parameters on one graph, zoom and axis-control tools.
Check logger status: Verify logger operation while logging and current readings.
Export data to other programs: Microsoft® Excel or other ASCII-compatible programs.
The internal lithium battery has a 1 year battery life.

The Model 255-704-A Evaporation Logger is an inexpensive data logger that can be connected to the 255-100 Analog Output Evaporation Gauge to provide recording history. The data can be useful in a wide range of fields such as agriculture, landfill assessments, and climatology.

The logger is mounted inside a waterproof enclosure that can be attached to the evaporation gauge. When ordered together, the logger comes installed inside of the 255-100 Evaporation Gauge. It is easy to use and reliable. With proper care it will provide years of accurate and reliable measurements. Optional water and air temperature sensors can be connected to the logger to record temperature readings along with the evaporation pan level.

Specifications

Inputs: 4 channel logging 0-2.50 Vdc inputs (12 bit)
Channel 1 is setup for the evaporation sensor input
Channels 2, 3, and 4 can be used as temperature inputs
Measurement capacity: 43,000 measurements
Download in 30 seconds via direct USB interface
Programmable sample rate 1 sec to 18 hours
Programmable start time or push-button start
Operating temperature: -20° to +70°C (-4° to +158°F)
Timekeeping accuracy: ± 1 minute per week at 20°C
Battery: CR-2032 lithium, 1-year battery life
Outer enclosure size: 3.5" x 3.5" x 2"
Weight/shipping: 0.5 lbs/2 lbs

Windows Computer System Requirements
Microsoft Windows XP Professional or Home Edition, or Windows 2000 Professional, or Windows 2000 Server, Sun Java (JRE) version 1.4.2 or greater (included on the installation CD), USB port, 256 MB system RAM (512 MB recommended), 800 x 600 minimum display resolution (1024 x 768 or greater recommended).

Ordering Information

255-704-A Evaporation Logger in Watertight Enclosure, includes cable to evap gauge
195-BHW-LITE Evaporation Logger Software for PC and Mac, includes 3' USB interface cable (logger to computer)
195-CABLE-USBMB 6' USB Interface Cable
210-TMC/20 Water or Air Temperature Sensor, 20' cable
380-280 Solar Shield for Air Temperature Sensor

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