# Electricity Meter Growatt PV Smart Meter TPMCTE100A 100A — for PV systems, CT-based measurement

**URL:** https://aio.lv/en/product--growatt-nv820351--5430653
**Data updated:** 2025-12-30 05:59 (EET)
**Category:** Power Inverters
**Manufacturer:** Growatt
**Manufacturer code:** NV820351
**EAN:** 9990000820351
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 200.99 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 166.11 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--growatt-nv820351--5430653

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.89 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

Growatt PV Smart Meter TPMCTE100A 100A is a CT-based electricity meter designed for photovoltaic installations. It measures AC current up to 100 A and provides accurate monitoring of generation and consumption for inverters and energy management systems. Suitable for residential or small commercial PV setups, it enables tracking of power flow and supports system optimization and billing.

## Long description

Growatt PV Smart Meter TPMCTE100A is a three-phase CT-based electricity meter for photovoltaic (PV) systems, designed to measure AC current up to 100 A and to monitor generation, consumption and grid export. The meter communicates via RS485 using the Modbus RTU protocol, is compatible with Growatt PV inverters, and is intended for DIN-rail mounting in residential or small commercial PV installations.
Advantages
The meter provides Class 1 measurement reliability for voltage, current, power and frequency with values suitable for energy management and export limitation. It features an LCD display for local readings, low power consumption (2 W), compact dimensions for DIN-rail installation, and IP51 protection for typical indoor installations. Ready RS485 interface with a 15 m cable and Modbus RTU protocol ensures straightforward integration with Growatt inverters and monitoring systems.
Suitable for
 Residential and small commercial photovoltaic installations
 Self-consumption monitoring and grid export limitation
 Integration with Growatt inverters and energy management systems
 Three-phase, four-wire (3P4W) PV systems
Key specifications
 Rated voltage: AC 230/400 V
 Line-to-line voltage range: AC 173–480 V
 Line-to-neutral voltage range: AC 100–289 V
 Current: 100 A (CT-based)
 Frequency: 50/60 Hz
 Phases: 3 (3P4W)
 Accuracy class: Class 1 (voltage/current 0.5%, power 1%, frequency 0.2%)
 Interface: RS485, baud rate 9600 bit/s, Modbus RTU
 Installation: DIN rail 35 mm
 Dimensions: 95.5 x 72 x 65 mm
 Protection class: IP51
 Operating temperature: -25 °C to 55 °C
 Operating humidity: 0–90% non-condensing
 Power consumption: 2 W
 RS485 cable length: 15 m
 Weight: 280 g
 Colour: white
 Certifications: CE
 Warranty: 24 months
How to use
Mount the Growatt PV Smart Meter TPMCTE100A on a 35 mm DIN rail inside the distribution board and connect CTs and voltage inputs according to the system wiring diagram. Use the RS485 interface and Modbus RTU protocol at 9600 bit/s to connect the meter to a Growatt inverter or energy management system for monitoring and export control. Verify correct phase sequence and wiring, then power the meter and check readings on the LCD display to ensure proper operation.
Usage recommendations
Install and commission the meter following local electrical codes and the manufacturer quick guide. Ensure CTs are correctly oriented and sized for 100 A measurement, keep the meter in an environment within the specified temperature and humidity ranges, and use the supplied RS485 cable length consideration (15 m) when planning communication runs.

## FAQ

### How much does the Growatt PV Smart Meter TPMCTE100A 100A cost, and is it available for purchase?

The price is 200.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 02.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Growatt PV Smart Meter TPMCTE100A 100A be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Growatt products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Growatt service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/5430653/42779200_large.webp