Evaporation Sensors

255 Series Evaporation Stations

255 Series Evaporation Stations

The 255 Series Evaporation Stations are complete systems used to measure the amount of water lost each day to evaporation. There are two commonly used procedures for making these measurements. In both, a U.S. National Weather Service Class A...
255-100 Analog Output Evaporation Gauge

255-100 Analog Output Evaporation Gauge

The 255-100 Analog Output Evaporation Gauge is used to determine the evaporation rate by measuring the changing water level in an evaporation pan. A standard National Weather Service Class A Evaporation Pan is recommended. The sensor consist...
255-110 Evaporation Gauge Tester

255-110 Evaporation Gauge Tester

The 255-110 Evaporation Gauge Tester works with the 255-100 Evaporation Gauge to provide a direct reading in inches, corresponding to the output from the evaporation gauge. The tester is used to set-up the evaporation gauge during initial in...
255-200 Class A Evaporation Pan

255-200 Class A Evaporation Pan

The 255-200 Evaporation Pan is a standard National Weather Service Class A type for measurement of water evaporation. It is normally installed on a wooden platform set on the ground in a grassy location. The pan is filled with water and expo...
255-205 Stillwell

255-205 Stillwell

Specifications Material: Stainless steel Size: 4" Dia x 9" H (102 mm x 229 mm) Weight/shipping: 6.5 lbs/10 lbs (2.9 kg/4.5 kg)   ...
255-210 Stillwell with Fixed Point

255-210 Stillwell with Fixed Point

Specifications Height of point: 7.5" (191 mm) Material: Stainless steel Size: 4" Dia x 9" H (102 mm x 229 mm) Weight/shipping: 6.6 lbs/10 lbs (3.0 kg/4.5 kg) NSN 6660-00-909-0326   ...
255-211E Replacement Graduate

255-211E Replacement Graduate

Specifications Graduations: 0.01" or 0.2 mm Material: Polycarbonate Size: 4.75" I.D. x 16" H (121 mm x 406 mm) Weight/shipping: 1.5 lbs/3 lbs (0.7 kg/1.4 kg) ...
255-212 Floating/Submersible Min-Max Thermometer

255-212 Floating/Submersible Min-Max Thermometer

The 255-212 Min-Max Thermometer can be configured as either a floating or submersible thermometer for measuring the minimum and maximum temperatures of water, such as in an evaporation pan. It features a u-tube thermometer mounted on a non-m...
255-214 Hook Gauge

255-214 Hook Gauge

Specifications Span: 3" or 7 cm Graduations, stem: Major divisions 1" or 1 cm Minor divisions 0.1" or 0.1 cm (1 mm) Graduations, dial: Major divisions 0.01" or 0.1 mm Minor divisions 0.002" or .02 mm ...
255-620-A Automatic Refill System

255-620-A Automatic Refill System

The 255-620-A Automatic Refill System provides a simple method to automatically refill an evaporation pan at specified times. It consists of a digital electronic water timer and an automatic float valve. The water timer switches on at a user...
255-700 ETgage

255-700 ETgage

The 255-700 ETgage is a modified atmometer and is a convenient, practical tool for irrigation management. It provides the irrigation technician with evapotranspiration (ET) information which can be used to accurately estimate how much water ...
255-704-A Evaporation Logger

255-704-A Evaporation Logger

The 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 ...

 

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