Digital Open Pan Evaporimeter

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Balaji HydroMet’s Digital Open Pan Evaporimeter is one of the best choices for users looking for an Automatic Pan Evaporimeter, Digital Pan Evaporation System, Open Pan Evaporation Meter, and Solar Powered Evaporation Monitoring System for professional field applications.Balaji HydroMet manufactures a high-performance Digital Open Pan Evaporimeter without Refilling System, designed for accurate and reliable measurement of water evaporation in meteorological, agricultural, hydrological, and research applications. The BHM-M-DOPE-WR Automatic Open Pan Evaporation System is equipped with an industrial-grade microcontroller-based datalogger that ensures high accuracy, continuous operation, and dependable field performance even in harsh outdoor weather conditions.

Category : Evaporation Monitoring
Model Number : BHM-M-DOPE-WR
Brand : Balaji Hydromet

Digital Open Pan Evaporimeter
Digital Open Pan Evaporimeter – Model: BHM-M-DOPE-WR

Balaji HydroMet manufactures a high-performance Digital Open Pan Evaporimeter without Refilling System, designed for accurate and reliable measurement of water evaporation in meteorological, agricultural, hydrological, and research applications. The BHM-M-DOPE-WR Automatic Open Pan Evaporation System is equipped with an industrial-grade microcontroller-based datalogger that ensures high accuracy, continuous operation, and dependable field performance even in harsh outdoor weather conditions.

This Automatic Open Pan Evaporimeter provides a total water level measurement range of 0–254 mm, allowing the user to monitor evaporation precisely and refill the pan before complete water loss. The system is ideal for weather stations, agricultural research farms, irrigation studies, water resource management, hydrology projects, and evaporation monitoring applications.

The Digital Open Pan Evaporimeter Model BHM-M-DOPE-WR is supplied with a strong tripod stand, solar panel, and battery enclosure. Its intelligent solar charging circuit makes the system fully self-powered, energy-efficient, and suitable for remote field installation where continuous power supply is not available.

For easy field operation, the datalogger includes a 16 x 2 alphanumeric LCD display and a 1 x 4 keypad on the front panel. This allows users to view real-time evaporation data, configure settings, and manage data logging directly from the site without requiring a computer. The system is powered by a long-life Lithium Iron Phosphate (LiFePO4) battery, offering more than 2 years of battery life, low maintenance, and reliable long-term operation.

Balaji HydroMet’s Digital Open Pan Evaporimeter is one of the best choices for users looking for an Automatic Pan Evaporimeter, Digital Pan Evaporation System, Open Pan Evaporation Meter, and Solar Powered Evaporation Monitoring System for professional field applications.

Key Features

Automatic open pan evaporation measurement

Model: BHM-M-DOPE-WR

Water level measurement range: 0–254 mm

Industrial-grade microcontroller datalogger

16 x 2 LCD display with 1 x 4 keypad

Solar-powered system with intelligent charging circuit

LiFePO4 battery with long service life

Tripod stand, solar panel, and battery case included

Suitable for remote weather monitoring stations

Reliable performance in tough outdoor conditions

Ideal for agriculture, meteorology, hydrology, irrigation, and research work

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Pan Material(Open Pan Evaportration Unit)	High-quality open pan evaporimeter, available in GI (Galvanized Iron), SS (Stainless Steel), Copper. User must specify preferred pan material before quotation
BHM-Compact-DL	Advanced industrial data logger with GPRS telemetry, enabling real-time data transmission and remote monitoring and related accoseriers (solar panel, stand, battery pack etc )
BHM-S-OPE-SE (Stillwell System)	Durable stillwell with shaft and pulley system for accurate water level measurement
BHM-S-OPE-WT (Water Temperature Sensor)	Precision water temperature sensor for monitoring evaporation-related temperature variations
BHM-S-WS (Wind Speed Sensor)	Reliable anemometer for wind speed measurement, essential for evaporation and weather analysis.
BHM-S-TBRG-5 (Tipping Bucket Rain Gauge)	High-accuracy rainfall measurement system for precise precipitation data collection.
BHM-S-THA (Temperaturer, Humidity and Air Pressure)	Accurate air temperaturer, humidity and air pressure for weather forcast
BHM-S-SR (Pyranomter/Solar Radtaion Sensor)	Above system comes with the compact data logger with IP66 encloser, battery pack, solar panel, tripod stand and GPRS TELEMERTY MODEM
FAT Certificate (Factory Acceptance Test)	Mandatory with the complete set of the Automatic open pan evaporation with individual part. Representative

Applications of Digital Open Pan Evaporimeter

Meteorological Weather Stations: Used for accurate evaporation measurement in automatic weather stations, agro-meteorological stations, and climate monitoring networks.

Agricultural Research Stations: Ideal for studying crop water requirements, irrigation planning, soil moisture management, and agricultural water balance studies.

Hydrological Studies: Suitable for evaporation monitoring in reservoirs, lakes, canals, ponds, river basin studies, and water resource management projects.

Irrigation Management: Helps irrigation departments and farmers estimate water loss due to evaporation and improve irrigation scheduling efficiency.

Water Resource Management: Used by government departments, research organizations, and water authorities for evaporation data collection and long-term water planning.

Climate Research & Environmental Monitoring: Supports climate studies, environmental research, evaporation trend analysis, and field-based atmospheric observations.

Research Institutes & Universities: Widely used in agricultural universities, hydrology labs, meteorological institutes, and environmental research centers.

Reservoir & Dam Monitoring Projects: Useful for monitoring evaporation losses from water storage bodies, dams, reservoirs, and irrigation tanks.

Remote Field Monitoring: Solar-powered operation makes it suitable for remote locations where continuous mains power is not available.

Government & IMD-Type Observation Projects: Suitable for professional evaporation monitoring applications in weather observation, agriculture, irrigation, and hydrometeorological projects.

Automatic Open Pan Evaporation without refilling system

Box number 1 (complete Datalogger with Sensors)	Weight(7.750 Kg), Dimension(42x48x25)cm³
Box number 2 (PAN Level Sensor Electronic still well for Pan)	Weight(10 kg), Dimension(32x32x70)cm³
BOX number 3 (SS Stand for open pan)	Weight(4.50 kg)Dimension(13x13x 127)cm³
BOX number 4 (Open Pan Evaporation)	Weight(60 kg),Dimension(132x132x46)cm³