Instrumentation

The Modbus Albedometer is a precision instrument designed to measure albedo—the ratio of reflected solar radiation to incoming solar radiation—using a pair of calibrated pyranometers. Engineered for environmental, solar energy, meteorological, and climate research applications, it provides real-time data over the RS485 Modbus RTU protocol for seamless integration with data loggers, PLCs, or SCADA systems. Its rugged construction and wide operating range ensure reliable performance in extreme outdoor conditions.

1. Dual Pyranometer Design: Simultaneously measures both global and reflected solar radiation for accurate albedo calculation.

2. Modbus RTU Output: Supports RS485 Modbus communication for easy integration into industrial and environmental monitoring systems.

3. High Measurement Accuracy: Offers ±3% albedo accuracy with fast response time under changing light conditions.

4. Wide Spectral Sensitivity: Covers 300 to 2800 nm, matching the full solar spectrum for research-grade data.

5. Rugged and Weatherproof: Built for harsh environments with operational stability from -40°C to +85°C.

6. Low Power Operation: Operates on a 5–30V DC supply, suitable for remote or solar-powered installations.

This Pyranometer, designed to meet the  Spectrally Flat , is a highly accurate sensor for measuring global solar irradiance. Its wide spectral response range of 0.3 µm to 3 µm makes it suitable for both direct and diffuse radiation measurements in various environmental and photovoltaic research applications.

Built for precision and durability, the pyranometer delivers a typical sensitivity of 10 µV/(W/m²) and operates reliably across a measuring range of 0 to 2000 W/m². Its thermal response is optimized, with minimal sensitivity to longwave radiation (15 W/m² at 200 W/m² thermal input), ensuring consistent data under real-world conditions.

The unit includes practical accessories such as a shade disk, silica gel cartridges, and a levelling device, making it easy to install and maintain in the field or on rooftops.

• Complies with (Spectrally Flat) standards

• Measures global solar irradiance from 305 nm to 2800 nm

• Accurate sensitivity and low thermal radiation influence

• Includes leveling tool and desiccant cartridges for optimal performance

• Rugged construction and field-ready design

• Solar energy research and performance testing

• Meteorological and climatological studies

• Agricultural and environmental monitoring

• PV plant performance evaluation

• Building energy modeling and sustainability audits

Land Surveying Instruments are specialized tools used by surveyors, engineers, and construction professionals to measure distances, angles, elevations, and positions on land with high accuracy. These instruments are essential for mapping, construction layout, boundary marking, topographic surveys, mining, and infrastructure projects. Modern surveying equipment ranges from traditional optical instruments to advanced digital, robotic, and GPS-enabled systems, offering precise data collection and efficient field operations.

• High Accuracy – Ensures precise measurement of distances, angles, and elevations.

• Variety of Instruments – Includes theodolites, total stations, GPS/GNSS receivers, auto levels, and laser scanners.

• Digital & Manual Options – From optical levels to fully automated robotic systems.

• Data Logging & Storage – Many instruments feature memory and connectivity for report generation.

• Ease of Use – Simple setups with user-friendly interfaces.

• Durable & Portable – Designed for rugged outdoor conditions with weatherproof housings.

• Integration with Software – Compatible with CAD, GIS, and mapping software.

• Multi-Application – Useful in civil engineering, architecture, mining, and land development

This wind sensor is engineered for precise measurement of wind speed and direction under diverse environmental conditions. Designed with robust, weather-resistant materials such as UV-resistant ABS, aluminum alloy, or brass housings, it ensures long service life even in harsh outdoor environments. The instrument offers a wide wind direction range of up to 360 degrees and can measure wind speeds reaching 45 m/s or even 70 m/s depending on the model. With a low starting threshold of under 0.5 m/s, it accurately captures even light breeze conditions. Multiple output options—analog and digital—enable seamless integration into data acquisition systems, weather stations, or industrial monitoring platforms.

• Full-range wind direction measurement

• High wind speed capability up to 70 m/s

• Low starting threshold for sensitive low-wind detection

• Durable construction for long-term outdoor use

• Supports 0–5V, 4–20mA, and RS485 (Modbus) outputs

• Reliable operation across a wide temperature range

• Meteorological research and weather stations

• Environmental monitoring systems

• Industrial safety and ventilation control

• Renewable energy monitoring towers

• Marine and offshore installations

The  Assmann Psychrometer is a precision-engineered instrument for accurate humidity and temperature measurement in controlled environments. Designed to meet professional standards, it incorporates thermometers aligned with DIN 58661 to deliver ±0.2°C temperature accuracy and ±2% humidity accuracy, ensuring reliable climate data in laboratories, meteorological stations, and field research settings.

With a measuring range from -5°C to 50°C, and a finely graduated scale of 0.5°C, this psychrometer is ideal for applications where precise atmospheric readings are critical. The dual-tube system, aided by a ventilated flow of 2 to 4 m/s, ensures an effective and consistent measurement cycle of around 8 minutes under optimal conditions.

• Highly Accurate Thermometry: Compliant with DIN 58661 standards.

• Precise Humidity Measurement: ±2% relative humidity accuracy.

• Rugged Construction: Built for durability in both lab and field environments.

• Compact and Lightweight: Weighs just 2.5–3 kg with a streamlined cylindrical design.

• Efficient Measurement Cycle: Ideal for routine atmospheric monitoring.

• Proudly Made in India.

• Meteorological Research

• Climatology and Weather Monitoring

• Environmental Laboratories

• Agricultural Studies

• Industrial Humidity Analysis

• Academic and Research Institutions

The Whirling Hygrometer, also known as a Sling Psychrometer, is a manual meteorological instrument designed to measure the relative humidity and dew point of ambient air. It operates using two thermometers—one with a wetted bulb and the other dry—mounted on a frame that is whirled through the air to enable evaporation and cooling. The resulting temperature readings help calculate atmospheric moisture levels using a standard humidity chart. This tool is reliable and widely used in educational, meteorological, and field-based industrial applications.

• Dual thermometer setup for accurate wet and dry bulb readings

• Manual operation via sling/handle for active air flow measurement

• Durable construction with options in wood or molded plastic

• Comes with a sling case and standard psychrometric chart

• No external power source required – fully mechanical operation

• Ideal for field use, environmental studies, and HVAC assessments

• Meteorological observations and weather monitoring

• Field-based environmental and agricultural assessments

• HVAC and indoor air quality checks

• Educational demonstrations and science labs

• Industrial humidity and dew point measurements