72 digital instrumentation

详情

Panel Size: *2 * *2mm

Installation hole size: *8 * *8mm

Display: single-row LED display with adjustable brightness

Function: measurement and display of single / three-phase active and reactive power;

          Optional transmitter output, RS**5 communication;

          Support key programming set various parameters;

K series programmable digital display functions and features:
1 show the magnification, mailing address, baud rate and so on through the panel s can be set arbitrarily, very flexible and easy to use.
All available with an analog output option is measured transmitter output, the output is 4 to *0mA, 0 to 5V, 0 to *2 ~~ *0mA, etc. Optional.3. Optional relay alarm output, and monitoring to achieve the upper and lower limits of the parameters to be measured.
4 with RS***5 digital interface, standard MODBUS-RTU protocol.
5 for a wide range of combination of powerful functions.
Digital zero digital calibrated high precision, highly cost-effective.

First, the measurement range
AC voltage measuring range:
   Direct Input: AC **0V, **9.9V, *9.*9V, 1.**9V,
   Input voltage transformer: (can be customized according to user requirements)
2, AC current measuring range:
   Direct : 5A (2.**0A, **0.0mA, available on request)
   Current transformer : (X: 5A)
          *0A, *5A, *0A, *0A, **0A, **0A, **0A, **0A, ***0A, ***0A, ***0A, ***0A

DC voltage measuring range:
   Direct Input: DC **0V, **9.9V, *9.*9V, 1.**9V, (can be customized according to user requirements)
DC current measuring range:
   Shunt : (X: *5mV);
          *0A, *5A, *0A, *0A, **0A, **0A, **0A, **0A, ***0A, ***0A, ***0A, ***0A direct : (can be customized according to user requirements)
Second, the technical parameters
1, Power supply: AC**0 ± *0%

2, the rectified line: sine wave average detector display rms
3, precision: ≤ 0.5% ± 2 words full scale

4 Sampling rate: about 2.5 times / second
5: 3 - bits LED (***9)

6 Operating temperature: 0 ~ *0 ℃
7, the power consumption: ≤ 6VA
8, the maximum : voltmeter: **0V (AC voltmeter Do not enter more than **0V)
             DC Ammeter: ***0A/*5mV AC ammeter: 5A;

 

Performance Category
 Parameters
 
Accuracy class
 0.2, 0.5
 
Display
 *-digit LED display, adjustable brightness
 
Nominal
 Voltage: AC **0V **0V **0V; current: AC 1A, 5A
 
Input impedance
 The voltage> 1MΩ current of <*0mΩ
 
Operating frequency
 *0/*0Hz ± *0%
 
Overload capacity
 Continued: 1.2 times Instantaneous: 2 times (1 second), *0 times the current (5 seconds)
 
The power consumption of the entire table
 <1.5VA
 
Working power
 AC**0/**0/**0v, AC / DC *0V ~ **0V
 
Means of communication
 RS***5 interface, MODBUS-RTU protocol
 
Alarm output
 2 relay outputs
 
Transmitter output
 4 ~ *0mA / / 0 ~ *0mA
 
Working conditions
 Ambient temperature **0 ~ *5 ℃, relative humidity ≤ *3%, no corrosive gas, altitude ≤ ***0m
 
Insulation Resistance
 ≥ **0MΩ