SDM72CTM - Measuring equipment Eastron - Free user manual and instructions
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| Type of product | Single-phase Energy Meter |
| Dimensions (WxHxD) | 72 mm x 72 mm x 65 mm |
| Weight | 0.25 kg |
| Power supply | 230 V AC, 50 Hz |
| Measurement functions | Active energy, reactive energy, voltage, current, power factor, frequency |
| Communication | Modbus RTU (RS-485) |
| Accuracy class | Class 1 (active energy) |
| Pulse output | Yes, optocoupler |
| Display | LCD, 6 digits |
| Mounting | DIN rail (EN 60715) |
| Operating temperature | -25°C to +55°C |
| Storage temperature | -40°C to +70°C |
| Protection | IP51 (front), IP20 (terminals) |
| Safety | CAT III, 300 V |
| Maintenance and cleaning | Wipe with a dry cloth; do not use liquids or solvents |
| Spare parts and repairability | Not user-repairable; contact Eastron service center |
Frequently Asked Questions - SDM72CTM Eastron
What is the model number of this Eastron meter?
The model is SDM72CTM, a single-phase energy meter.
What communication protocol does it support?
It supports Modbus RTU via RS-485.
What are the dimensions of the SDM72CTM?
Dimensions are 72 mm x 72 mm x 65 mm (suitable for 72x72 panel cutout).
How do I connect the pulse output?
The pulse output is an optocoupler; polarity must be observed. Refer to wiring diagram in manual.
Is this meter suitable for residential use?
Yes, it is commonly used for submetering in residential and commercial applications.
What is the accuracy class?
Active energy accuracy is Class 1 per IEC 62053-21.
Can I read voltage and current?
Yes, the display shows voltage (V), current (A), power (W), frequency (Hz), and power factor.<
How do I reset the energy reading?
Press and hold the button on the front for 3 seconds to reset the total energy.
What is the maximum current rating?
The meter is rated for up to 100 A directly (without CT).
Does it require external power?
It is self-powered from the measure line (230 V AC). No external supply needed.
User questions about SDM72CTM Eastron
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USER MANUAL SDM72CTM Eastron
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Product information
Brand : Eastron
Model : SDM72CTM
Category : Measuring equipment