Product Details

5 Fault Gases + Moisture Diagnostic Monitor Calisto 5

Adiradh offers the Doble Calisto 5 Fault Gases + Moisture Diagnostic Monitor for online monitoring of power transformers and oil-filled electrical equipment. It measures five key fault gases and moisture in transformer insulating oil. These gases include hydrogen, carbon monoxide, methane, acetylene and ethylene. Therefore, it helps users identify early signs of possible transformer faults. Each gas provides useful information about transformer health. For example, hydrogen can indicate electrical faults, while acetylene can point to arcing. Similarly, methane and ethylene help detect heat-related faults. In addition, carbon monoxide provides information about paper insulation ageing. Moreover, moisture measurement helps users check insulation conditions. With continuous online monitoring, maintenance teams can track changes in gas levels over time. As a result, they can plan inspections and maintenance work. Furthermore, the monitor supports Duval Triangle fault analysis. Thus, Calisto 5 helps utilities and industrial plants assess transformer health and support condition-based maintenance.

Overview

The Doble Calisto 5 is an online dissolved gas analysis (DGA) monitor designed for power transformers and oil-filled electrical equipment. It measures five important fault gases: hydrogen (H2), carbon monoxide (CO), methane (CH4), acetylene (C2H2) and ethylene (C2H4). In addition, it measures moisture in transformer insulating oil.

Each gas provides different information about possible transformer faults. For instance, hydrogen can indicate electrical discharge, while acetylene can point to arcing. Similarly, methane and ethylene help identify heat-related faults. Meanwhile, carbon monoxide provides information about the condition of paper insulation. Therefore, these measurements help users understand changes inside a transformer.

The monitor uses a gas chromatography method to separate and measure individual gases. Moreover, it supports Duval Triangle analysis for transformer fault diagnosis. It also includes automatic self-calibration using certified primary-grade gas. Furthermore, built-in oil circulation and flow monitoring support continuous measurement. Calisto 5 supports DNP3 and Modbus communication. Optional IEC 61850 communication is also available. Consequently, users can connect it to suitable substation monitoring and SCADA systems.

Brochure for 5 Fault Gases + Moisture Diagnostic Monitor Calisto 5

About Product

The Doble Calisto 5 is an online transformer oil monitoring instrument. It measures five dissolved fault gases and moisture in transformer insulating oil. For this purpose, it uses gas chromatography technology to separate and measure individual gas components. Therefore, users can monitor gas levels and identify changes linked to possible transformer faults.

The five gases include hydrogen (H2), carbon monoxide (CO), methane (CH4), acetylene (C2H2) and ethylene (C2H4). Each gas has a different role in transformer fault diagnosis. For example, hydrogen can indicate electrical discharge, while acetylene is an important sign of arcing. Similarly, methane and ethylene provide information about thermal faults. In addition, carbon monoxide helps users assess the condition of cellulose paper insulation.

The monitor also uses oil-immersed Teflon tubing for gas extraction. Moreover, an oil-immersed relative saturation (RS) sensor measures moisture in transformer oil. Its automatic self-calibration system uses certified primary-grade gas. Furthermore, built-in oil circulation and flow monitoring support the measurement process. These features make Calisto 5 suitable for continuous transformer oil monitoring and fault diagnosis.

Technology & Benefits

The Calisto 5 uses gas chromatography technology to separate and measure five dissolved fault gases in transformer oil. Therefore, users can check individual gas levels and track changes over time. Moreover, these gas readings support Duval Triangle analysis, which helps identify possible electrical and thermal faults.

Hydrogen measurement helps detect signs of electrical discharge. Meanwhile, acetylene measurement helps identify possible arcing activity. Similarly, methane and ethylene provide information about heat-related faults. In addition, carbon monoxide helps users check the condition of paper insulation. As a result, maintenance teams can study different fault conditions using gas data.

The monitor also includes automatic self-calibration using certified primary-grade gas. Therefore, it can maintain its measurement process over time. Furthermore, built-in oil circulation and flow monitoring support continuous operation. The system also supports DNP3 and Modbus communication. Optional IEC 61850 communication is available as well. Consequently, users can connect the monitor to suitable substation and SCADA systems. Thus, Calisto 5 supports transformer fault diagnosis, condition assessment and maintenance planning.

Key Features

• Online monitoring of five transformer fault gases.
• Continuous transformer oil moisture measurement.
• Gas chromatography measurement technology.
• Hydrogen (H2) measurement.
• Carbon monoxide (CO) measurement.
• Methane (CH4) measurement.
• Acetylene (C2H2) measurement.
• Ethylene (C2H4) measurement.
• Acetylene measurement starting from 0.2 ppm.
• Duval Triangle fault diagnosis support.
• Automatic self-calibration using certified primary-grade gas.
• Oil-immersed Teflon tubing for gas extraction.
• Oil-immersed relative saturation moisture sensor.
• Built-in oil circulation and flow monitoring.
• Continuous enclosure and oil conditioning.
• DNP3 and Modbus communication protocols.
• Optional IEC 61850 communication.
• Vacuum-tolerant operation.
• Substation-hardened communication electronics.
• Moisture and solubility settings for common insulating fluids.
• Front-panel display for monitoring data and system status.

Applications

• Online power transformer condition monitoring.
• Transformer dissolved gas analysis (DGA).
• Early detection of developing transformer faults.
• Electrical discharge detection.
• Transformer arcing fault diagnosis.
• Thermal fault detection in transformers.
• Transformer paper insulation ageing assessment.
• Transformer oil moisture monitoring.
• Duval Triangle fault analysis.
• Electrical substation monitoring.
• Industrial power transformer monitoring.
• Power generation plant transformer monitoring.
• Utility transformer fleet monitoring.
• Oil-filled electrical equipment monitoring.
• Transformer insulation condition assessment.
• Condition-based transformer maintenance.

Advantages

• Measures five important transformer fault gases and moisture.
• Provides continuous online dissolved gas analysis.
• Helps identify early signs of possible transformer faults.
• Supports Duval Triangle fault diagnosis.
• Helps detect possible electrical discharge and arcing.
• In addition, helps identify heat-related transformer faults.
• Provides acetylene measurement starting from 0.2 ppm.
• Helps assess paper insulation ageing through carbon monoxide measurement.
• Automatic self-calibration supports consistent measurement.
• Reduces dependence on regular manual oil sampling for continuous monitoring.
• Moreover, provides useful data for transformer health assessment.
• Supports connection with suitable substation monitoring systems.
• Allows users to track gas changes over time.
• Consequently, supports better maintenance planning.
• Helps improve transformer fault assessment and maintenance decisions.

Adiradh Energy offers  5 Fault Gases + Moisture Diagnostic Monitor Calisto 5 in India; Hyderabad; Visakhapatnam; Vijayawada; Chennai; Puducherry; Trichy; Coimbatore; Hosur; Bangalore; Hubli; Mysore; Cochin; Kolkata; Pune; Goa; Mumbai; Thane; Kanpur; Jaipur; Nagpur; Delhi; Noida; Gurugam; Bhopal; Vadodara; Ahmedabad; Chandigarh; Chandigarh; Tata Nagar; Raipur; Rudrapur; Durgapur; Kharagpur; Raigarh; Bhilai; Angul; Haldia; Jabalpur; Indore; Jamshedpur; Rajahmundry; Bokaro Steel City; Salem; Kochi; Rourkela; Ahmedabad ;Jamnagar; Bharuch; Sri City; Nashik; Haridwar; Mathura; Aurangabad; Bhubaneswar and other cities