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Product details
The programmable digital ammeter has the following functions and features:
The full-scale display value, upper and lower limit alarm values, and communication address can be freely set through the buttons on the panel, making it very flexible and convenient to use.
● Optional analog transmission output, 4-20mA, 0-20mA, 4-12-20mA, 0-5V, 1-5V optional.
● Optional 2-channel alarm output for monitoring the upper and lower limits of the measured parameters.
Optional RS485 digital interface, using standard MODBUS-RTU protocol.
Adopting direct communication RMS effective value measurement, digital zero calibration, digital tuning, high accuracy, and extremely high cost-effectiveness.
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Detailed Introduction
overview
Programmable digital displayflowThe table has the following functions and features:
The full-scale display value, upper and lower limit alarm values, and communication address can be freely set through the buttons on the panel, making it very flexible and convenient to use.
● Optional analog transmission output, 4-20mA, 0-20mA, 4-12-20mA, 0-5V, 1-5V optional.
● Optional 2-channel alarm output for monitoring the upper and lower limits of the measured parameters.
Optional RS485 digital interface, using standard MODBUS-RTU protocol.
Adopting direct communication RMS effective value measurement, digital zero calibration, digital tuning, high accuracy, and extremely high cost-effectiveness.
Technical indicators
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transport |
electricity |
Rated value |
AC1A, AC5A, DC20mA, DC100mA, DC1A, DC1A, DC220V, DC5A (special customization is available) |
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Overload |
Duration: 1.2 times Instantaneous: 2 times/10 seconds |
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Power consumption |
＜ 1VA (per phase) |
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Accuracy |
RMS measurement, accuracy levels 0.2 and 0.5 |
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Power supply |
Scope of work |
AC 220V ± 20% Special requirements can be customized |
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Power consumption |
＜5VA |
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Output |
Digital interface |
RS-485, MODBUS-RTU protocol (optional) |
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Switching output |
Switch output, relay passive contact mode (optional) |
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Analog output |
Analog transmission output, 4-20mA/0-20mA/4-12-20mA/0-5V/1-5V (optional) |
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Environment |
Working environment |
-10-55 ℃, relative humidity<85%. Non corrosive gas environment, altitude<2000m |
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Storage environment |
-55-85 ℃, relative humidity<85% |
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Security |
Voltage resistance |
Power supply/output>1KV |
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Insulation |
Input, output, and power supply to the chassis>100M Ω |
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List of models and sizes of single-phase ammeter series
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model |
display |
measure |
Peripheral functions (optional, to be specified when ordering) |
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digital communication |
Switch Module |
Transmission output |
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SFE20-2K1-I SFE30-2K1-I |
LED |
AC current |
RS-485 |
2DO |
1-channel transmission |
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SFE20-9K1-I SFE30-9K1-I |
LED |
AC current |
RS-485 |
2DO |
1-channel transmission |
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SFE20-3K1-I SFE30-3K1-I |
LED |
AC current |
RS-485 |
2DO |
1-channel transmission |
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SFE20-AK1-I SFE30-AK1-I |
LED |
AC current |
RS-485 |
2DO |
1-channel transmission |
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SFE20-DK1-I SFE30-DK1-I |
LED |
AC current |
RS-485 |
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SFE20-5K1-I SFE30-5K1-I |
LED |
AC current |
RS-485 |
2DO |
1-channel transmission |
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SFE20-2K1-DCI SFE30-2K1-DCI |
LED |
Direct current |
RS-485 |
2DO |
1-channel transmission |
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SFE20-9K1-DCI SFE30-9K1-DCI |
LED |
Direct current |
RS-485 |
2DO |
1-channel transmission |
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SFE20-3K1-DCI SFE30-3K1-DCI |
LED |
Direct current |
RS-485 |
2DO |
1-channel transmission |
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SFE20-AK1-DCI SFE30-AK1-DCI |
LED |
Direct current |
RS-485 |
2DO |
1-channel transmission |
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SFE20-DK1-DCI SFE30-DK1-DCI |
LED |
Direct current |
RS-485 |
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SFE20-5K1-DCI SFE30-5K1-DCI |
LED |
Direct current |
RS-485 |
2DO |
1-channel transmission |
threeList of Models and Sizes of Phase Current Meter Series
|
model |
display |
measure |
Peripheral functions (optional, to be specified when ordering) |
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digital communication |
Switch Module |
Transmission output |
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SFE20-2K4-I SFE30-2K4-I |
LED |
AC current |
RS-485 |
2DO |
1-channel transmission |
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SFE20-9K4-I SFE30-9K4-I |
LED |
AC current |
RS-485 |
2DO |
1-channel transmission |
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SFE20-3K4-I SFE30-3K4-I |
LED |
AC current |
RS-485 |
2DO |
1-channel transmission |
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SFE20-AK4-I SFE30-AK4-I |
LED |
AC current |
RS-485 |
2DO |
1-channel transmission |
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SFE20-DK4-I SFE30-DK4-I |
LED |
AC current |
RS-485 |
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Order List
When placing an order, please specify in detail the required model, input signal ratio, and expansion function module.
Example 1: Model:SFE20-2K1-IPower supply: AC220V Input: AC5A Communication: RS485/MODBUA-RTU
Alarm: 2 channels Quantity:188 units
example2Model:SFE30-2K4-IPower supply: AC220V Input: AC5A Communication: RS485/MODBUA-RTU
Alarm: 2 channels Quantity:188 units
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