DTQ900 three-phase power quality monitor

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

1. Product features

 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


2. Product advantages

 Professional independent design, complete functions

 First-class quality of industrial-grade devices

 Classic structure design, strong scalability

 Complete series and multiple models are available


3. Technical Parameters

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

 


1. Product features

 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


2. Product advantages

 Professional independent design, complete functions

 First-class quality of industrial-grade devices

 Classic structure design, strong scalability

 Complete series and multiple models are available


3. Technical Parameters

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

 


Product application market
It is widely used to monitor the working power of fire-fighting electrical equipment in the fields of ships, agencies, chemicals, mines, schools, commercial buildings, factory workshops, bazaars, banks, and civil buildings.