DENT INSTRUMENTS CT-HMC-200-U 200A High Performance Midi Hinged Current Transformers Owner’s Manual
- June 12, 2024
- DENT INSTRUMENTS
Table of Contents
DENT INSTRUMENTS CT-HMC-200-U 200A High-Performance Midi Hinged Current
Transformers
Product Information
`The High-Performance Midi Hinged Current Transformers are medium amperage transformers designed for various applications such as current measurement, energy metering, load surveys, demand metering, energy research, and submetering. These transformers offer high performance and accuracy.
Key Specifications
- Window Size: 25mm (1.0″)
- Current Range Output: 1 – 300 A AC
- Output Voltage: 333 mV @ 200 A AC
- *Ratio Error:** (No information provided)
Ratio Error refers to the deviation in the transformation ratio of the current transformer.
Product Usage Instructions
To use the High-Performance Midi-Hinged Current Transformers, follow these steps:
- Identify the appropriate window size for your application. The window size should be compatible with the size of the conductor or cable you are measuring.
- Ensure that the current range output is suitable for your measurement requirements. The current range should be within the range of 1 to 300 A AC.
- Connect the current transformer to the circuit or conductor you wish to measure. Ensure proper electrical connections and follow all relevant safety guidelines.
- Once connected, the transformer will provide an output voltage of 333 mV when the current through the conductor reaches 200 AAC.
- If you need to calculate the actual current based on the output voltage, use the conversion factor of 1.67 mV/A AC. Multiply the output voltage by this factor to obtain the corresponding current value.
- Monitor and record the measured current for your desired application, such as energy metering or load surveys.
Remember to consult the product manual for any additional instructions or
safety precautions specific to your application.
The hinged “Midi” CTs are high-performance, medium amperage, hinged current
transformers. Use for current measurement, energy metering, load surveys,
demand metering, energy research, and submetering
KEY SPECIFICATIONS
- Window Size 25mm (1.0”)
- Current Range 1 – 300 A AC
- Output 333 mV @ 200 A AC 1.67 mV/A AC
- Ratio Error* <1.0 % from 1.0 A to 300 A AC (typical)
- Phase Error* <0.5° from 1.0 A to 300 A AC
For maximum performance, keep CT contact surfaces wiped clean and free of debris.
ELECTRICAL
- Output 333 mV @ 200 A
- Wire Polarity White = Hi, positive (+) Black = Low, negative (-)
- Phasing Arrow On Case Points
- Orientation Toward Load
- Frequency Range 50 to 400 Hz
MECHANICAL
- Case Material White Nylon, UL 94 V-0
- Leads 600V, 22 gage
- Operating Temperature -15 to 60°C (5 to 140°F)
- Storage Temperature -20 to 85°C (-4 to 185°F)
SAFETY
- Working Voltage 600 VAC, Category III
- Dielectric Strength 5200 VAC for 1 minute
- Safety Standards UL STD 61010-1 CAN/CSA STD C22.2 No. 61010-1
PART NUMBERS
All specifications contained in this document are subject to change without
notice.© DENT INSTRUMENTS, INC.rev 030119
DENT Instruments, Inc.
Energy & Power Measurement Solutions
DIMENSION
FLOW CHART
925 SW Emkay DriveBend, Oregon 97702 USA541.388.4774 | 800.388.0770
www.DENTinstruments.com