Overview
The DTSD193/DSSD193 three-phase simple multifunctional electric energy meter (hereinafter referred to as the instrument) is a reactive energy meter designed and developed by our company to adapt to the transformation of China's power grid and the national conditions of China. It has high accuracy and feasibility. This instrument adopts internationally advanced ultra-low power large-scale integrated circuit technology and SMT advanced process. The key components are selected from international brands and long-life devices, which improves the reliability of the product and extends its service life. The meter is used to measure active and reactive energy, and the electricity can be read through infrared communication, which is intuitive and easy to use. This instrument design complies with the relevant technical requirements for three-phase static energy meters in standards GB/T 17215.321-2008 "Level 1 and Level 2 Static AC Active Energy Meters", GB/T 17882-1999 "Level 2 and Level 3 Static AC Reactive Energy Meters", and DL/T 645-2007 "Communication Protocol for Multi functional Energy Meters".
Main functional features
■Measurement of active energy, reverse active total energy, and reactive energy with time-sharing metering
■It has the function of recording historical active and reactive power consumption for the past 12 months
■Measure the maximum demand and demand occurrence time for active and reactive power, with a demand cycle of 15 minutes and a slip time of 1 minute
■Three phase power supply, one or two phases of power outage, measurement accuracy is not affected.After power failure, all stored data will not be lost and can be maintained10 Years and above
■batteryWhen the voltage is low, the alarm indicator light will turn on, and the corresponding battery symbol on the LCD will flash
■Can be done through handheld terminals orPCThe machine performs infrared communication, completes programming settings, and meter reading.The communication symbol lights up during communication, making it convenient, intuitive, and reliable
■Display using wide temperature and large LCD modeVarious types of information;The number of digits displayed for electric energy is6Bit integer,2Decimal places
■Electric energy meters have infrared andRS485Two communication methods, communication protocol compliantDL/T645-1997Communication Protocol for Multi functional Energy Meter
■The electric energy meter adopts3.6VThe1.2AhThe high-capacity environmentally friendly lithium battery has a normal service life of10year
■It has the functions of timed freezing, instantaneous freezing, agreed freezing, daily freezing, and hourly freezing
■When the programming switch is turned on and the password is correct, the handheld device can issue the "meter reset" command to clear all electricity levels and usage events
■The external clock chip has calendar, timing, and anniversary automatic switching functions, as well as temperature compensation function
Main technical parameters
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Technical Specifications |
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accuracy class |
meritorious1Grade, reactive power2level |
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Voltage specifications |
3×57.7/100V 3×220/380V |
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Current specifications |
3×1.5(6)A、3×3(6)A、3×5(20)A、3×10(40)A、3×15(60)A、3×20(80)A、3×30(100)A |
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Reference frequency |
50Hz |
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The specified working voltage range |
0.9Un~1.1Un |
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Extreme working voltage range |
0.7Un~1.2Un |
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Voltage circuit power consumption |
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≤6VA/1.5W |
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Current circuit power consumption |
≤2VA |
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Data retention time after power outage |
≥10year |
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Number of sets of annual time zone tables |
2 |
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Number of sets of daily time slot tables |
2 |
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rate number |
4 |
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time of day |
8 |
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display mode |
LCDdisplay |
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Clock accuracy |
≤0.5s/d(23℃) |
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Clock backup battery |
3.6VDC (Battery capacity)≥1.0Ah) |
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Infrared communication parameters |
Default communication baud rate1200bps |
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RS485Communication baud rate |
default2400bps, can be set as1200bpsThe2400bpsThe4800bpsThe9600bps. |
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Overall dimensions |
270mm×170 mm×79mm(Subject to physical object) |
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Appearance and installation dimensions
wiring diagram



