File name：208, LPRD series pressure relief valve
Brief introduction：Large pressure relief device application Suitable for overvoltage protection of oil immersed transformers, on load tap changers, and other electrical equipment. ☆ Characteristics ·QUALITROL's pioneering dual sealing ring can amplify overpressure, facilitate reliable operation, and achieve good resealing ·Equipped with up to 2 manual or automatic reset alarm control switches ·Stainless steel structure and action valve, action indicator rod ·Stainless steel or aluminum casing is coated with anti-corrosion materials for long service life Yi Option ·Operating pressure, sealing ring material and type, housing material, indicator type and color, with a maximum of 2 manual or automatic reset alarm control switches (single pole double throw or double pole double throw C-type contacts, high DC contacts, low current explosion-proof gold contacts) ·Electrical connection method ·Exhaust system ·Guide cover for controlling hot oil and gas emissions
File name：Ultra large pressure relief valve device
Brief introduction：Add pressure relief protection device Mountain application Suitable for important oil immersed transformers, on load tap changers, and other related electrical equipment, providing maximum safety and environmental protection. ☆ Characteristics ·Maximum flow rate, suitable for rapid release of overpressure ·The standard integral guide hood has an 8-inch diameter discharge port, achieves maximum flow rate, and controls the emission of hot oil and gas ·Using corrosion-resistant stainless steel guide cover, casing, and operating valve Yi Option ·Operating pressure, sealing ring material, indicator type ·Equipped with up to 2 manual or automatic reset alarm control switches (single pole double throw or double pole double throw C-type contacts, high DC contacts, and low current explosion-proof gold contacts) ·Electrical connection method ·Exhaust system
File name：AKM third-generation thermometer
Brief introduction：Telemetry thermometer Mountain application Temperature indication and integrated alarm control function. Suitable for applications where staff cannot easily view measurement points (mounting bases) and require independent or remote display. ☆ Characteristics ·AKM bellows measurement method with resettable maximum temperature pointer ·Up to 6 fully independent user adjustable switches (contacts) for control and alarm. Switch type, return difference, set point can be specified, and there is no switch setting sequence limit ·Internal winding simulation, no need for external winding temperature thermal simulation components ·6-inch (150mm) dial, 260 degree reading range, convenient for reading measurement values, built-in connecting rod, convenient for on-site switch testing Yi Option ·Temperature range applicable to transformer oil (liquid) or winding ·Up to 6 independent user adjustable switches ·Installation method, connection with fuel tank, probe length, capillary (length, material, protective casing), threaded conversion base ·SCADA system outputs (0-1mA, 4-20mA, Pt100, and Cu10) with Needle and digital remote indicators
File name：Remote mounted thermometer
Brief introduction：Telemetry thermometer Application Temperature indication and integrated alarm control function. Suitable for applications where staff cannot easily view measurement points (mounting bases) and require independent or remote display. ☆ Characteristics ·Based on capillary and Bourdon tube measurement methods, with a maximum temperature pointer that can be reset ·Up to 4 user adjustable switches (contacts) for control and alarm. 6-inch (150mm) dial for easy viewing ·Built in spring load pointer for easy on-site switch testing ·Fine measurement and adjustment of the dial Yi Option ·Temperature range applicable to transformer oil (liquid) or winding (requiring the use of winding thermal simulation components) ·Up to 4 user adjustable switches (contacts) ·Installation method, connection with fuel tank, probe length, capillary (length, material, protective casing), threaded conversion base ·Electrical wiring type, connector cable type, and wire color ·SCADA system output (0-1mA or 4-20mA) with integrated power supply
File name：408XT fiber optic temperature measurement system
Brief introduction：Neoptix T/Guard 408 and 408XT fiber optic temperature measurement systems ·The Qualitrol fiber optic probe is entirely made of insulating materials and can withstand the initial manufacturing process of transformers such as kerosene gas phase drying and heat flow cycling, as well as withstand long-term immersion and vibration ·The 408 system is equipped with 4, 6, 8, 10, 12, and 16 optional channel numbers. Each channel has an LED four in one high-power digital display module, which can be seen clearly from a long distance ·The Qualitrol408 system can accurately measure the temperature of each channel's fiber optic probe within 200 milliseconds, allowing for timely detection of peak loads or emergency overloads ·After all relays are activated, the maximum power of the system is 18W. The system can choose between DC or AC power input ·The 408 system comes with 8 Form-C (single pole dual throw) industrial relays, which are electrically isolated. Users can also adjust them to Form-A or Form-B relays as needed. This system comes with its own safety mode, and when there is a problem with the system, the relay will activate ·The T/Guard 408 system can be connected to existing substation systems through 4-20mA (0-10V optional) analog output ports, or RS-485 port MODBUS, DNP3 or IEC 80670-5-101 communication ports. The 408XT port can meet the IEC-61850 communication protocol and can be connected to the internet smart grid. The temperature information collected by the system can be read through a web browser under TCP/IP protocol The 408 system can be equipped with the following accessories: ① T2 temperature probe (i.e. internal fiber optic) ② Box wall installation flange ③ Box wall fiber optic penetrator ④ External fiber optic protective cover ⑤ External fiber optic
File name：Qualitrol Intelligent Maintenance-free Moisture Absorber
Brief introduction：The Qualitrol STB series intelligent transformer respirator enters the oil immersed transformer or Filter moisture from the air of the LTC oil storage tank. The respirator automatically resets according to the user's selected time interval or relative humidity (RH) threshold Raw silicone desiccant. Alarm and communication functions reduce unnecessary maintenance costs for respirators over time. Silicone desiccant, due to its ability to regenerate multiple times without the need for replacement, can eliminate accumulated water during the transformer's exhalation cycle. ·By continuously protecting the moisture in the atmosphere during the exhalation cycle of the transformer, extending the service life of the equipment, reducing unnecessary maintenance through the self regeneration function of the desiccant during the transformer exhaust cycle, and providing a continuous relative humidity (% RH) level state with a 4-20mA signal Standard model design is suitable for most applications and offers various sizes with a 5-year warranty ·The polar model provides additional internal heaters to withstand harsh temperatures down to -60 degrees Celsius ·The extreme ocean model XtremeTM contains special application materials to adapt to harsh marine environments ·Provide multiple installation applications for new or modified installations ·Includes a solenoid valve to ensure that moisture does not accidentally enter the transformer during the regeneration process ·Users can set desiccant regeneration based on% RH relative humidity level or time frequency (days) ·Silicone color change allows for visual confirmation of respirator regeneration status ·Multiple communication options, including 4-20mA, RS-485 MODBUS, and local USB interface, provide various monitoring solutions for various applications ·The LED indicators installed on the front panel are green, amber, and red to indicate breathing status and alarm function ·Color coded light alarm display in the control box for easy on-site diagnosis
File name：Fiber optic temperature probe
Brief introduction：Durable and oil permeable Neoptix T2 ™ The temperature probe can accurately measure The temperature of the power transformer. Install using standard pads or directly Directly measure the hot spot temperature inside the transformer winding.
File name：OmniFlex system
Brief introduction：A fully scalable multi-channel fiber optic temperature monitoring system. Can be upgraded to 512 channels on site.
File name：Transformer oil fault gas monitor TM1
Brief introduction：Our industry-leading online DGA monitor and TM VIEW ™ Software is being used worldwide to monitor electricity in the fields of power generation and transmission and distribution Transformer. The DGA (dissolved gas analysis) of transformer oil is the transformation voltage An ideal indicator of the overall condition of the device. For the first time, we are in the power transmission and distribution transformer group The advantage of online status monitoring has been achieved on. TM1 ™ Continuous monitoring of hydrogen Gas PPM concentration can be set based on PPM concentration and/or rate of change (ROC) Set an alarm to alert the operator of potential transformer faults and impending occurrences Failure issues with
File name：Oil level indicator
Brief introduction：Large oil level indicator Mountain application Suitable for highly visible oil level or liquid level indication, with control or alarm switches (contacts). Mainly used for oil-immersed transformers, on-load tap changers, oil conservators, and other related equipment ☆ Characteristics ·6-inch (150mm) diameter dial with lever (radial) or heavy-duty gear driven float arm, suitable for various sizes of oil tanks ·032/042 comes with an on-site replaceable housing (dial) that can be replaced without lowering the oil level and does not damage the oil tank seal ·Up to 2 adjustable SPDT switches (032/042 comes with a rotatable window for easy switch testing) ·Achieving leak free operation through magnetic coupling Options ·Universal replaceable housing for easy on-site replacement (032/042/045) ·The floating stroke range from the lowest to the highest mark is suitable for various fuel tank configurations ·Connection (flange) method, material, and dial style layout with the fuel tank ·Electrical wiring type, cable specification, length, and wire color ·Resistive component (potentiometer) or 4-20mA output for remote indication and SCADA system integration
File name：Intelligent Transformer Monitor
Brief introduction：Series Transformer Intelligent Monitor The QUALITROL 509 series oil filled transformer intelligent monitoring instrument (509ITM) provides microprocessor technology and advanced digital signal processing functions, which can accurately evaluate the health and performance of oil filled transformers. 509ITM can be customized for specific applications. This complete transformer monitoring system can monitor up to 8 total parameters, such as: ● Liquid temperature (top or bottom temperature of main oil tank, temperature of on load tap changer) ·Winding temperature ·Environmental temperature ·Winding current ·Cooling group current ·Various parameters from sensors, such as oil tank pressure or dissolved gas during oil analysis The inputs required for 509ITM include: ·Resistance temperature detector (RTD) Current transformer (0-5 A, O-10 A, 0-20 A, 0-50 A, 0-100 A) · AC voltage (0-140 VAC or 0-320 VAC) ·Potentiometer (5K-15K) ·Current circuit (0-1 or 4-20 mA DC) ·DC voltage (0-100 mV or 0-10 V) ·Tap position resistor bridge ·Switch engagement type (energized or dry engagement)
File name：Burst pressure relay
Brief introduction：Burst pressure relay Application Suitable for the protection of transformers and other electrical equipment. When there is a dangerous sudden increase in pressure, the device sends an alarm signal. This alarm signal can be used for transformer tripping to prevent further damage, or only for event indicators. ☆ Characteristics ·The first relevant standard of QUALITROL, applicable to the detection and alarm of destructive sudden pressure All types of products are suitable for oil immersed or inflatable spaces ·Comprehensive testing of pressure relief rate is possible Options ·Horizontal or vertical installation ·Locking relay (QUALITROL 909), suitable for locking alarms or triggering signals · Electrical wiring system, cable specifications, length, and wire color ·Exhaust system ·On site testing tool (KIT-013) and manufacturer's testing device (HIX-601) · flange or thread installation
File name：Pressure or vacuum switch
Brief introduction：Qualitrol 141/146/148 series and AKM 35600/47500 Pressure Control Switch Series Provide operational control, amplitude limiting or alarm functions for transformers and load tap changers. The contacts can be factory set or adjusted as needed. When the pressure returns to the pre-set state, the quick action switch automatically resets. Pressure and/or vacuum switches can be combined on a universal manifold and protected by optional enclosures. The optional pressure indicator (dial gauge) can be used for the selected model. ☆ Characteristics ·Reliable warning for changes in rise or fall ·Compact design for easy installation ·Multiple configurations available for many applications ·On site test switch shut-off valve ·Reliable testing and certification ·Reliable quick switch automatic reset - no manual reset required ·Single Pole Single Throw (SPST) and Single Pole Double Throw (SPDT) switches UL and CSA certified · Switches can be suitable for systems using steam, air, and other non combustible gases ·For optional models, the pressure setting can be factory set and/or debugged by the equipment manufacturer. High electrical ratings for quick acting switches often save expensive relay needs Yi Option ·Operating pressure or vacuum, operating when pressure/vacuum rises or falls ·Up to 3 switches, switching test ports ·Installation method ·AKM 35600 can perform isolation testing on 3-way lockable test valve pressure switches during operation ·As an integral part, the compact 146 series switch can be installed in any direction within the control panel
File name：QTMS-Qualitrol Transformer Comprehensive Online Monitoring System
Brief introduction：The comprehensive online monitoring system for transformers is to monitor the health status of equipment online and identify early signs of potential problems. The main monitoring parameters for transformer online monitoring include pressure, temperature, oil level, generation and accumulation of dissolved gas (DGA) in oil, partial discharge, bushing monitoring, and load switch voltage regulation function. And Qualitrol's QTMS is to gather data from all sensors on the transformer to reflect the overall health status of one or more transformers. ·Two different sizes of 3U and 6U ·Consolidate the data of all sensors, with multi-level security measures to protect the data. The system is easy to use, reducing the time required for installation and resetting Supports up to 14 input/output modules, which can be configured arbitrarily. Users can choose to add display modules to their own system Hardware modules and software can be completely upgraded by users on site, easy to maintain, and do not require frequent technical support ·Front panel wiring, convenient and easy to connect ·Universal power supply with high flexibility The module supports hot swapping, making it easy to change the configuration of QTMS units in use
File name：Serveron Transformer Oil Fault Gas Monitor TM3/8
Brief introduction：TMx ·The TMx online monitoring instrument uses a gas chromatography (GC) measurement system to monitor various types of faulty gases. Gas chromatography is a recognized DGA measurement technique and is an IEEE, ASTM The only DGA measurement technology specified by CIGRE and IEC standards ·SERVERON has successfully produced industry-leading DGA monitors based on gas chromatography (GC), with higher accuracy than any other manufacturer's products ·The built-in automatic calibration function of the instrument can ensure good operation performance of the monitor throughout its entire service life cycle ·This monitor can perform precise DGA analysis on mineral transformer oil and ester based insulation oil ·The reliability of the instrument has been verified on site and the maintenance requirements are low, so this monitor has excellent value ·Compared with other types of multi gas monitors, the maintenance cost of this monitor is relatively low ·All repairs can be carried out on-site, and there is little need to interrupt the normal operation of the monitor ·Analyzing the continuous trend of fault characteristic gases can provide early and timely alarm signals for potential faults in transformers, preventing potential hazards from causing transformer faults ·By analyzing the correlation between DGA data and actual events, many transformer faults can be avoided living ·All 8 types of fault gases, as well as nitrogen, transformer oil temperature, ambient temperature, transformer load, and moisture content in transformer oil, can be correlated and analyzed through TMx online monitoring instruments ·The Serveron TM ViewTM software and services include our unique TOANTM diagnostic tool, providing a simple and powerful analysis tool for transformer monitoring management, data visualization, and analysis ·SmartSUB solutions can seamlessly transition customers from single user software to large-scale deployment of transformer bank monitors covering the entire enterprise ·SmartSUB includes TM View's dissolved gas analysis function in oil and has the ability to add data from transformer status monitoring equipment (oil tank pressure, cooling system motor current, wind current and temperature, business monitoring, partial discharge, and others)
File name：Transformer partial discharge monitor
Brief introduction：The PDM system is an online partial discharge monitoring system for transformers, Adopting industry recognized UHF technology. The PDM system is used to continuously evaluate the insulation performance of power transformers to ensure corrective measures are taken before faults occur. State based maintenance decisions can be made based on the information collected by the system to reduce maintenance expenses ·PDM is a complete PD monitoring package that includes sensors, cables, data acquisition units, central processing units (CPUs), and software Ultra high UHF measurement sensitivity and accuracy (-75 dBm) ● Wide range bandwidth from 300MHz to 1500MHz ·Higher sampling rate (256 samples per cycle) to improve PD event detection accuracy ● Amplitude comparison can help approximate the location of PD faults ·Easy to use alarm settings that can be set separately for each channel ·Multiple communication methods (Ethemet, RS-485, RS-232, etc.) ● Built in Modbus, DNP3.0, and IEC 61850 protocol support The components of a typical PDM system: ·UHF sensors/couplers (internal, external, or drain valve sensors) · Single OCU supporting 1 to 6 sensors ·PDM main panel, including central processing unit (PD monitor) ·PD analysis and reporting software Optional: ·External OCU supporting 1 to 6 sensors ● An independent system cabinet that accommodates the PDM basic unit and one OCU Each external OCU is equipped with 1 Ethernet switch (fiber or copper)
File name：guide housing
Brief introduction：The directional protective cover is installed on the top of the pressure relief device and is specifically designed for easy modification applications Avoid injuring personnel or damaging critical components by directing the flow of hot oil and gas from the transformer The protective cover can accommodate up to two alarm switches and one indicator
File name：Small pressure relief device
Brief introduction：Mechanical overvoltage protection device provides pressure relief for the transformer in case of overvoltage, and automatically reseals once the pressure drops. There is a stainless steel pull ring that can be manually operated. The optional port protection device with a cover can prevent substances from entering the valve body.
File name：Oil flow indicator
Brief introduction：Designed to indicate the "pump on" and "pump off" conditions in a forced cooling system. Selecting a model selects the flow direction. Up to two single pole single throw or single pole double throw switches can be used for control and alarm functions. The large dial provides convenient observation and is magnetically coupled with the flange components, allowing for leak free replacement if damaged.
File name：Lockout relay
Brief introduction：Used for Qualitrol 900/910 series fast boost relays and other instruments to maintain instantaneous alarm and trip circuits. The relay and LED indicator remain active until the manual reset button is pressed.
File name：930 fast pressure rise relay
Brief introduction：A multifunctional, electronically adjustable pressure sensitive sensor, combined with the function of a sealed relay and static pressure monitoring and control, provides a pressure monitor for rapid detection of pressure rise. Functionally integrated SCADA system and continuous output for remote monitoring. The optional multi-sensor model provides logic based operation and has anti disturbance trip alarms.
File name：Vertical oil level indicator
Brief introduction：Mechanical oil (liquid) level indication with adjustable contacts (switches) Device suitable for low oil level alarm. Magnetic coupling minimizes potential The leakage path of. Provide gas sampling valve options.
File name：AKM oil level gauge
Brief introduction：Hydromechanical oil level indicator based on capillary tube Instrument (liquid level gauge). In the safest and most convenient location, Accurately indicate the liquid level at the height of the line of sight. After careful consideration Designed to be used even in the highest oil storage tank. Integrated micro switch for control and alarm functions Off. Provide electronic outputs for SCADA integration.
File name：Inline thermometer
Brief introduction：Resistance thermometer (RTD) with built-in heating element, which can simulate Measurement of winding temperature inside the transformer. Provide analog (Pt100) output, Used for remote indication and monitoring. Optional 1 or 2 RTDs available for Indicates or inputs additional signals to the SCADA system. Installed in the hot well Inside, equipment replacement can be completed without emptying the transformer oil tank.
File name：Portable fiber optic thermometer
Brief introduction：A single channel fiber optic thermometer has a large backlit LCD display screen with touch function. PC communication and charging through USB port. Quick interface for OptiLink software package.
