1. Introducció i finalview
This manual provides comprehensive instructions for the safe and efficient use of your Bachmann 852.9821 Energy Meter. This device is designed to measure and display the energy consumption of connected electrical appliances. It features a large LCD with a blue backlight for clear readability, displaying various electrical parameters and supporting two separate tariff rates for accurate cost calculation.

Figura 1: Davant view of the Bachmann 852.9821 Energy Meter, showing the digital display, control buttons (MENU, SET, arrow buttons, RST), and the integrated power socket. The display shows time and energy consumption in kWh.
2. Instruccions de seguretat
Please read these safety instructions carefully before using the device. Failure to follow these instructions may result in electric shock, fire, or damage to the device.
- No obriu el dispositiu casing. No hi ha peces que l'usuari pugui reparar a l'interior.
- No exposeu el dispositiu a la humitat, la pluja ni a temperatures extremes.
- Ensure the device is connected to a properly grounded power outlet.
- Do not overload the device. The maximum load is 3680 W (16 A at 230 V).
- Keep out of reach of children. The device includes child protection features.
- If the device is damaged, discontinue use immediately and contact qualified personnel for repair.
- Netegeu el dispositiu només amb un drap sec i suau. No utilitzeu netejadors líquids.
3. Característiques del producte
The Bachmann 852.9821 Energy Meter offers the following key features:
- Large LCD screen with blue backlight for easy reading.
- Displays various electrical parameters: Voltage (V), Frequency (Hz), Active Power (W), Apparent Power (VA).
- Records total energy consumption in kWh.
- Supports two separate tariff rates for precise cost calculation.
- Funció de temporitzador integrada.
- Ampli voltage range: 160 V - 280 V.
- Power measurement range: 4 W - 3680 W.
- Low self-consumption: Less than 1 W.
- Equipped with child protection.
4. Configuració
Setting up your energy meter is a straightforward process:
- Desembalar: Traieu amb cura el comptador d'energia del seu embalatge.
- Connectar: Insert the energy meter into a standard 230V AC wall socket. The display should illuminate.
- Connecteu l'aparell: Plug the appliance you wish to monitor into the socket on the front of the energy meter.
- Configuració inicial: Upon first use or after a reset, you may need to set the current time and tariff rates. Refer to the "Operating Instructions" section for details on navigating the menu.
5. Instruccions de funcionament
The energy meter is controlled using the buttons located below the display.
- Botó MENÚ: Press to cycle through different display modes (e.g., Voltage, Current, Power, Frequency, Cost, Total kWh).
- Botó SET: Used to enter settings mode for time, date, and tariff rates. Press again to confirm selections.
- Arrow Buttons (⇄ i +): Used to navigate through options or adjust values within settings mode. The ⇄ button typically moves between settings, while the + button increases values.
- Botó RST: A small recessed button (often requiring a pen tip to press) used to reset all accumulated data and settings to factory defaults. Use with caution.
5.1. Configuració de l'hora i la data
- Manteniu premut el botó SET botó fins que la pantalla de l'hora parpellegi.
- Utilitza el ⇄ button to select the hour, minute, day, month, and year.
- Utilitza el + botó per ajustar el valor intermitent.
- Premeu SET per confirmar cada configuració i passar a la següent.
- Premeu MENÚ per sortir del mode de configuració.
5.2. Setting Tariff Rates
The device supports two tariff rates (Tariff 1 and Tariff 2) for calculating electricity costs.
- Premeu el botó MENÚ button repeatedly until the cost display mode is shown.
- Manteniu premut el botó SET button until the tariff rate flashes.
- Utilitza el ⇄ button to select Tariff 1 or Tariff 2.
- Utilitza el + button to adjust the cost per kWh for the selected tariff.
- Premeu SET to confirm and save the tariff rate.
- Premeu MENÚ per sortir del mode de configuració.
6. Mostra informació
The LCD provides various readings. Press the MENÚ button to cycle through the following displays:
- Hora i data: Hora i data actuals.
- Voltage (V): Displays the current line voltage (p. ex., 230 V).
- Freqüència (Hz): Shows the current power line frequency (e.g., 50Hz).
- Active Power (W): The real power consumed by the connected appliance.
- Apparent Power (VA): The total power in an AC circuit, including reactive power.
- Factor de potència: The ratio of active power to apparent power.
- Total Energy (kWh): Accumulated energy consumption in kilowatt-hours.
- Cost: Calculated cost based on accumulated kWh and set tariff rates.
- Temps de funcionament: Total time the appliance has been connected and drawing power.
7. Manteniment
The Bachmann 852.9821 Energy Meter requires minimal maintenance.
- Neteja: Disconnect the device from the power outlet before cleaning. Use a soft, dry cloth to wipe the exterior. Do not use abrasive cleaners or solvents.
- Emmagatzematge: Quan no l'utilitzeu durant períodes prolongats, guardeu el dispositiu en un lloc fresc i sec, allunyat de la llum solar directa i de temperatures extremes.
8. Solució De Problemes
If you encounter issues with your energy meter, refer to the following troubleshooting guide:
| Problema | Causa possible | Solució |
|---|---|---|
| La pantalla està en blanc. | Sense font d'alimentació. | Ensure the meter is securely plugged into a live wall socket. Check the wall socket with another appliance. |
| Lectures incorrectes. | Improper settings or device malfunction. | Verify tariff settings. If issues persist, perform a factory reset using the RST button. |
| Els botons no responen. | Error temporal de programari. | Unplug the device from the wall socket, wait 10 seconds, then plug it back in. |
| Appliance not receiving power. | Meter malfunction or appliance issue. | Test the appliance directly in the wall socket. If the appliance works, the meter may be faulty. |
9. Especificacions tècniques
Below are the technical specifications for the Bachmann 852.9821 Energy Meter:
- Número de model: 852.9821
- Marca: Bachmann
- Color: Blanc
- Voltage Rang: 160 V - 280 V AC
- Volum nominaltage: 230 Volts
- Max. Power Load: 3860 watts (16 A)
- Min. Power Measurement: 4 watts
- Autoconsum: < 1 watts
- Dimensions (L x A x A): 21.2 x 9.2 x 7.6 cm (8.35 x 3.62 x 2.99 polzades)
- Pes: 230 grams
- Sistema de mesura: mètrica
- Característiques: Large LCD with blue backlight, 2 separate tariff rates, child protection.

Figura 2: Dimensional drawing of the Bachmann 852.9821 Energy Meter, illustrating its length (133mm), width (71mm), and height (37mm) for precise installation planning.
10. Garantia i Suport
Bachmann products are manufactured to high-quality standards. For information regarding warranty coverage, please refer to the warranty card included with your purchase or visit the official Bachmann weblloc.
For technical support, troubleshooting assistance beyond this manual, or spare parts inquiries, please contact Bachmann customer service through their official channels.