The DTQ900 series power parameter measuring instrument is a power parameter measuring instrument designed for the power monitoring needs of power systems, industrial and mining enterprises, public facilities, and smart buildings. DTQ900 provides large LCD display and a full range of measurement functions, such as voltage, current, active power, reactive power, power factor, frequency, active power, reactive power and other basic electrical parameters. It also has strong extended functions, such as remote signal input, programmable relay output, two 4-20mA analog transmission output, two analog input, two pulse output, harmonic analysis, and dual RS485/MODBUS communication Or built-in PROFIBUS-DP communication for network management of the instrument. It is a simple and reliable high-performance measurement and control device. As an advanced intelligent and digital front-end acquisition component, it has data acquisition and control functions. It can be widely used in automation fields
■ Large, easy-to-read backlit LCD screen
Black anti-reflective rear projection technology, advanced LCD technology realizes color display, which can display multiple values at the same time.
■ Humanized operation
4-key operation, self-guided menu prompt, simple operation.
■ Higher harmonic analysis
Fast and powerful DSP processor, up to 63 harmonic calculations, monitoring the amplitude of single harmonics, helping to eliminate system faults.
■ Mass memory
Mass ferroelectric storage, up to 100 event records, used to check fault records and cause analysis, save more than ten years after power failure.
■ Plug-in terminal
Plug-in terminal blocks, product wiring and maintenance are very convenient.
■ Classic structure
Panel installation, full Small volume, compact design, super functional design.
■ Wide Power supply
Power supply AC and DC dual purpose switch Power supply,Wide adaptation range.
■ Strong scalability
Equipped with 2 analog output, 2 analog Enter, 2 electrical pulse output, dual RS485 communication, built-in Extensions such as Profibus-DP
■ Professional independent design, complete functions
■ First-class quality of industrial-grade devices
■ Classic structure design, strong scalability
■ Complete series and multiple models are available
Parameter | Index |
Accuracy class | |
Voltage and current | 0.2 level |
Electricity and power | 0.5 level |
Applicable system | |
Low pressure system | 400Vthe following(Three-phase Y-shaped and three-phase △-shaped) |
High pressure system | 400V以上(Three-phase Y-shaped and three-phase △-shaped) |
Display Data | |
Current | Rated current input 1A或5A,continuous 1.2times,instant current 10times/1 second |
Voltage | Rated voltage input 100V或220V,continuous 1.2times,Voltage2times/1 second |
Extensions | |
Switch | AC220V ± 25% or DC 220V ± 25% |
Analog output | 4 ～ 20mADCsignal, maximum 400 ohm load |
Relay output | AC 220V/5A, DC 30V/5A |
Power supply | |
Wide pressure type | AC85V ～ 265V;DC80V ～ 300V |
Power consumption | Less than2VA |
Insulation Parameters | |
Dielectric strength | 2KV(Test voltage is AC effective value)） |
Insulation resistance | ≥ 50MΩ |
Electromagnetic characteristics | |
Static immunity test | IEC 61000-4-2,Level 3 |
Radiation immunity test | IEC 61000-4-3,Level 3 |
Immunity test of electrical fast transient pulse group | IEC 61000-4-4,Level 3 |
Surge immunity test | IEC 61000-4-5,Level 3 |
Conducted radio frequency interference test | EN 55022,Class B |
Radiated radio frequency interference test | EN 55022,Class B |
Working conditions | |
Ambient temperature | -20℃～+70℃ |
Storage temperature | -30℃～+80℃ |
Relative humidity | Relative humidity:5％～95%,No condensation |
size | |
Disk surface opening size | 90mm x 90mm |
Instrument panel size | 96mm x 96mm |
Shape and installation size
Product model
Order guide
■ Large, easy-to-read backlit LCD screen
Black anti-reflective rear projection technology, advanced LCD technology realizes color display, which can display multiple values at the same time.
■ Humanized operation
4-key operation, self-guided menu prompt, simple operation.
■ Higher harmonic analysis
Fast and powerful DSP processor, up to 63 harmonic calculations, monitoring the amplitude of single harmonics, helping to eliminate system faults.
■ Mass memory
Mass ferroelectric storage, up to 100 event records, used to check fault records and cause analysis, save more than ten years after power failure.
■ Plug-in terminal
Plug-in terminal blocks, product wiring and maintenance are very convenient.
■ Classic structure
Panel installation, full Small volume, compact design, super functional design.
■ Wide Power supply
Power supply AC and DC dual purpose switch Power supply,Wide adaptation range.
■ Strong scalability
Equipped with 2 analog output, 2 analog Enter, 2 electrical pulse output, dual RS485 communication, built-in Extensions such as Profibus-DP
■ Professional independent design, complete functions
■ First-class quality of industrial-grade devices
■ Classic structure design, strong scalability
■ Complete series and multiple models are available
Parameter | Index |
Accuracy class | |
Voltage and current | 0.2 level |
Electricity and power | 0.5 level |
Applicable system | |
Low pressure system | 400Vthe following(Three-phase Y-shaped and three-phase △-shaped) |
High pressure system | 400V以上(Three-phase Y-shaped and three-phase △-shaped) |
Display Data | |
Current | Rated current input 1A或5A,continuous 1.2times,instant current 10times/1 second |
Voltage | Rated voltage input 100V或220V,continuous 1.2times,Voltage2times/1 second |
Extensions | |
Switch | AC220V ± 25% or DC 220V ± 25% |
Analog output | 4 ～ 20mADCsignal, maximum 400 ohm load |
Relay output | AC 220V/5A, DC 30V/5A |
Power supply | |
Wide pressure type | AC85V ～ 265V;DC80V ～ 300V |
Power consumption | Less than2VA |
Insulation Parameters | |
Dielectric strength | 2KV(Test voltage is AC effective value)） |
Insulation resistance | ≥ 50MΩ |
Electromagnetic characteristics | |
Static immunity test | IEC 61000-4-2,Level 3 |
Radiation immunity test | IEC 61000-4-3,Level 3 |
Immunity test of electrical fast transient pulse group | IEC 61000-4-4,Level 3 |
Surge immunity test | IEC 61000-4-5,Level 3 |
Conducted radio frequency interference test | EN 55022,Class B |
Radiated radio frequency interference test | EN 55022,Class B |
Working conditions | |
Ambient temperature | -20℃～+70℃ |
Storage temperature | -30℃～+80℃ |
Relative humidity | Relative humidity:5％～95%,No condensation |
size | |
Disk surface opening size | 90mm x 90mm |
Instrument panel size | 96mm x 96mm |
Shape and installation size
Product model
Order guide
