DTSF51-T Three Phase Static Multi-rate Energy Meter


Type: DTSF51-T Three Phase Static Multi-rate Energy Met

Accuracy: 1.0,2.0

Power loss: ≤2W/10VA

Nominal voltage: 3×220V/380V

Nominal current: 3×10(60)A

Frequency: 50Hz


1. Functions and Features

1.1) Measurement Function
a. Positive/negative active energy consumption measurement( negative active energy consumption will be counted into positive active energy consumption)

1.2) Real-time Measurement Function
a. Instantaneous active/reactive energy consumption measurement

1.3) Multi-rate Function
a. 2 time zones, 4 tariffs, 10 time segments,2 day tables

1.4) Communication Function
a. Meter reading and setting can be achieved via RS485(1200~9600bps)or infrared port
b. RS485 port electric insulation, lightning proof circuit design
c. Communication protocol: DL/T645-1997 Communication Protocol for multi-function meter

1.5) Output Port
a. Active test impulse output port
b. RTC second output port

1.6) Display:LCD

1.7) Other Functions
a. Malfunction display function
b. Last programming operation stamped with date&time and total programming times will be automatically recorded
c. last 9 power break and voltage missing events will be automatically recorded.
d. Waking up and meter reading via infrared port under no energy
e. Summer/winter time switched runs automatically
f. Backlight LCD display

2. Technical Characteristic
Accuracy:CL1.0 /2.0
Reliability:Special measurement chip adopted with high reliability
Stability:No calibration needed during long working period