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DTSD1352-4S Branch-Circuit Power Meter for MENA Towers
DTSD1352-4S series rail type multi-loop power meters are mainly used for measuring the full electric parameters of multiple three-phase circuits, Up to X three-phase loop and Y one-phase loop, current inputs can be connected simultaneously.
It Can measure voltage and current, power, power factor, phase angle, unbalance, harmonic and other parameters.
Parameter
Auxiliary Power Supply | AC/DC 85~265V; Power Consumption≤10VA, DC12V, DC48V | |||
Input Single | Frequency | 45~65Hz | ||
Voltage | Rated value: AC 3×220V/380V | |||
Overload:1.2 times rated value(continuous) | ||||
2 times rated value/1 second | ||||
Power consumption:≤ 0.5VA(per channel) | ||||
Input signal | Current | Rated value:AC 250A,100A;(external closed port transformer) | ||
Overload:1.2 times rated value(continuous) | ||||
10times rated value/1 second | ||||
Power consumption ≤ 0.5VA(per channel) | ||||
Measurement accuracy | Frequency 0.05Hz,voltage and current class 0.5, active energy class 1,.reactive energy class 2 |
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2-31st harmonic accuracy:±1% | ||||
Function | Pulse output | Output mode: optocoupler pulse with the open collector(one out of two with active input) | ||
Function | Communication | RS485 interface, Modbus-RTU protocol/QZTT 1017-2015 | ||
technical specification for China Tower smart meter | ||||
Baud rate 1200~38400 | ||||
Switch-value | Input | 4-channels passive dry contact input, built-in power supply | ||
2-channels active wet node input, identify engine oil and power connection(or pulse output) | ||||
output | Output mode: relay normally open contact output | |||
Contact rating: AC 250V/3A DC 30V/3A | ||||
Security | Power frequency withstand voltage | >AC 2kV/1min | ||
Insulation resistance | Input and output end to housing | |||
Environment | Working temperature:-20ºC~+60 C | |||
Storage temperature:-40ºC~+70ºC | ||||
Relative humidity≤95% no condensation | ||||
Altitude≤2500m | ||||
Electromagnetic compatibility | Better than level 3 |
Function | Description |
Measurement of energy | All electrical parameters of x-channel three-phase andy-channel single-phase circuits are measured |
Electrical parameters | U,1,F,P,Q,S,PF |
Harmonic | 2-31st voltage and current harmonic |
Extreme value record | U, I, P |
Alarm output | Overvoltage, Over current, Phase break, DI linkage |
Rate setting | 4 rate time zone 14 |
Pulse output | Output mode: optocoupler pulse with open-collector(one out of two with active input) |
communication | RS485 interface, Modbus-RTU, Baud rate 1200~38400 |
DI | 4-channels passive dry contact input, built-in power supply2-channels active wet node input, identify engine oil and power connection(or pulse output) |
DO | Output mode: relay normally open contact output Contact rating: AC 250V/3A DC 30V/3A; |