Product description:

A, product function and characteristics
U have both Chinese and English display window
U have automatic zero stability
U have digital setting function
U have power lost memory function
U have a strong ability to resist electromagnetic interference
U have multiple connection mode
U have the function of automatic fault diagnosis
U have programmable state setting function
Painted with high measurement precision
Second, the main general technical indicators
1, measuring line system and power:
Can measure a three phase four wire circuits, or any other type of all phase voltage/line voltage (V), current (I), power
(P, Q, S) electrical energy (Wh, Qh), power factor (PF), frequency (F) and zero sequence current (IO) 33 parameters.
2, working voltage:
AC85 ~ 40 ~ 70 hz, 265 v DC85 ~ 330 v (standard)
DC18 ~ 90 v (optional)
3, the machine power consumption: 4 or less va
4, overload ability:
Voltage: 750 v continuous;1000 v to 10 seconds;1200 v 3 seconds
Current: 2 times rated continuous;20 times rated 1 second
5, input range:
U: 5 ~ 120 v / 600 v (Max 600 v), automatic switch range
I: 0 ~ 1 a / 5 a, 6 a), automatic switch range
6, absorption power consumption:
Voltage: < 0.25 VA / 220 v
Current: < 0.1 VA / 5 a
7, accuracy

8, programmable design.
Programming mode: (password)
Measurement system of three phase four wire/three-phase three-wire/phase 2 line / / three-phase equilibrium phase three line
CT, PT variable ratio: 1 ~ 59999
9, communication:
Nurture baud rate: 1200/2400/4800/9600/19200
Data bits being: 8, or 7
A check digit: being odd/even/no parity bit
Stop being a: 1 or 2
Oblivious to address: 1 ~ 247
Communication agreement: being the Modbus RTU/Modbus ASCII RS - 485 / RS232C, at the same time can only use one of them
10, insulation strength:
Object: between the input/output/power supply
Reference: IEC688-1992
Leakage current test methods: AC2KV 1 minute 2 ma
11, electromagnetic compatibility:
(1) surge (1.2/50-8/20 us)
Object: power supply, I/O line
Reference: IEC61000-4-5 / IEC61000-4-11
Test method: power 4 kv
The I/O port 2 kv
(2) the transient pulse sequence
Object: power supply, I/O line
Reference: IEC61000-4-4
Test method: power supply: 4 kv 2.5 KHz
I / 0 line: 2 kv 5 KHZ
(3) electrostatic discharge
Object: power supply, I / 0 line
Reference: IEC61000-4-2
Contact discharge: 6 kv
The air gap discharge: 8 kv
(4) radio frequency (rf) electromagnetic fields
Object: the device ontology
Reference: IEC61000-4-3
Test method: 10 v/m medium intensity of electromagnetic radiation (such as the distance of not less than 1 meter of the portable radio)
(5) stability
Temperature range: 10 ~ + 50 ℃
Temperature: 10 PPM / ℃
Long term stability: < 0.2% per year
12, isolation:
Mutual isolation between the input/output/power
3, regular
After wiring: plate connection
Installation method: surface mounting
Disk hole size: 92 mm * 92 mm
But plastic shell material: resistance (black)
Shape size: 120 mm (length) x 120 mm (width) x 130 mm (high)