The cheapest 3-phase electricity meter with M-bus / RS485 TEST

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Enectiva team

We have tested for you the cheapest electricity meter that can also be connected to the online monitoring of the Enectiva application via the M-Bus, RS485 interface or pulse output. The price of the meter for one piece is 94 EUR without VAT. For ten pieces, you will get us a unit price of 84 EUR without VAT. What specifically do you get for this price?

Nejlevnější elektroměr s RS485 nebo M-Bus

Simple and easily adjustable three-phase electricity meter up to a maximum current of 100A in the direct variant. The meter can be recommended for secondary measurement of electrical energy. The operating temperature of the meter is from -25 ° C to +55 ° C. Settings are made using four buttons and with the help of instructions, it can be done by anyone. In fact, the buttons are only needed if you want to immediately display a measured value or to set the M-Bus address. Other functions such as setting the pulse length are not required in most cases. However, the meter settings may be password protected for unauthorized changes, which may be useful.

The meter looks cheap at first glance, the whole package is plastic with a distinctive several-line display. It should be acknowledged that the display is very easy to read even under unsuitable lighting conditions. Holes for both supply and output cables are located on opposite sides and must be taken into account before the purchase in relation to the cabinet situation. The power cables are placed from above.

Technical parameters:

  • 3-phase electricity meter
  • Measured values ​​kWh Kvarh, KW, Kvar, KVA, P, F, PF, Hz, dmd, V, A, THD (Total Harmonic Distortion)
  • It measures quantities in both directions of current
  • Two pulse outputs with adjustable pulse length
  • M-BUS (EN13753-3) or ModBus output
  • Supported speeds for M-Bus 300, 600, 1200, 2400, 4800, 9600
  • Mounting on DIN 35mm
Nejlevnější elektroměr s M-Bus nebo RS485

The meter is available in both direct and indirect versions (supports current transformers 1 / 5A).

For orders write to sales@enectiva.com