ATORCH AT3235

ATORCH AT3235 Tuya WiFi Digital AC Ammeter Voltmeter Wattmeter Power Meter

Intelligent Electrical Parameter Measuring Instrument with WiFi and Bluetooth Connectivity

1. Introduction

The ATORCH AT3235 is an advanced IoT intelligent electrical parameter measuring instrument designed for comprehensive monitoring of AC power. It functions as an ammeter, voltmeter, wattmeter, and power meter, providing real-time data and historical statistics. Equipped with WiFi and Bluetooth connectivity, it allows for remote control and data transmission via mobile applications and PC software. Its 2.4-inch high-definition display offers clear visualization of various electrical parameters, curves, and statistical reports.

ATORCH AT3235 product overview with display showing various parameters and a smartphone app interface.
Figure 1: ATORCH AT3235 Product Overview with App Interface

2. Specifications

The AT3235 is built with a 32-bit ARM Cortex CPU core for high performance and efficient operation. Key specifications are detailed below:

ParameterValue
Product NameAT3235 Networked Measuring Instrument
Product ModelAT3235
Instrument Power SupplyAC85~265V (Independent power supply)
Measuring Voltage RangeAC0~320V
Measuring Current Range0~35A
Measuring Power Range0~11200W (Active Power)
Energy Range0~999999Wh
Power Factor0~11200W
Total KWh and Cost Display0.000KWh-9999KWh, 0.00COST----9999COST
ConnectivityWiFi Networking, Bluetooth Connection
Display TypeAnalog and Digital (2.4-inch high-definition color screen)
Operating Temperature-25~45°C
Dimensions170x130x80mm
MemoryBuilt-in large capacity storage memory (EEPROM 1,000,000 wipe)
CertificationCE
Battery IncludedNo (Built-in standby battery for display after power failure)
Table of AT3235 Product Parameters.
Figure 2: AT3235 Product Parameters
Diagram illustrating the 32-bit ARM processor architecture.
Figure 3: 32-bit ARM Processor

3. Product Components and Wiring

The AT3235 features a clear front operation panel and a versatile rear wiring panel. Understanding these components is crucial for proper setup and use.

3.1 Front Panel Overview

  • High definition color screen: Displays all measurement data and settings.
  • ON/OFF button: Main power switch for the device.
  • Test output port: For connecting devices to be tested.
  • Online indicator light: Indicates network status.
  • Switch screens: Buttons to navigate through different display interfaces.
  • Numerical decrease key: Used for adjusting values in settings.
  • Long press to enter the background: Activates the settings menu.
  • Settings key: Short press to confirm selections.
  • Power indicator light: Shows if the device is powered on.

3.2 Rear Panel Overview

  • Tested output terminal (OUTPUT-1, OUTPUT-2): Connects to the load or appliance being measured.
  • Tested input terminal (INPUT-1, INPUT-2): Connects to the AC power source.
  • Power output port: Additional output for tested devices.
  • Instrument independent power supply (AC85-265V): Dedicated power input for the AT3235 itself.
  • Power input port: Main power input for the system.
Front and rear views of the AT3235, detailing the operation panel and wiring panel.
Figure 4: Front and Rear Panel Details

3.3 Operation Wiring Diagram

The AT3235 allows for testing various household appliances. It is compatible with both high and low voltage systems. The testing voltage range is AC0-320V, and the current range is 0-35A, with a measured power up to 11200W.

Warning: Input 1 and Output 2 can only be connected to one at a time. The output can be connected to multiple electrical appliances.

Wiring diagram showing INPUT 1, INPUT 2, OUTPUT 1, OUTPUT 2, OUTPUT 3, and independent power supply connections for various appliances.
Figure 5: Operation Wiring Diagram

4. Setup

4.1 Initial Power-up

  1. Connect the AT3235 to an independent AC power supply (AC85-265V) using the dedicated power input on the rear panel.
  2. Turn on the main ON/OFF switch on the front panel. The device display should light up.

4.2 WiFi Networking (for voltmeters with WiFi modules)

To utilize the remote monitoring and control features, connect your AT3235 to your WiFi network via the Smart Life or Tuya App.

  1. Download the Smart Life App or Tuya App: Search for "Smart Life" or "Tuya App" in your mobile app market (Google Play Store for Android, Apple App Store for iOS) and install it.
  2. Add "ATorch as WiFi Connected Electricity Meter (AT4PWS)":
    • Ensure Bluetooth and location permissions are enabled on your smartphone.
    • Open the Smart Life app and click to add a device.
    • Power on the AT3235. The device's red light will flash, indicating it has entered distribution network mode and is waiting for a WiFi connection.
    • In the app, select your 2.4G WiFi network and enter the password.
    • Follow the on-screen prompts in the app to complete the pairing process.
    • Once successfully paired, the device will connect to the cloud, and you can set multiple values for remote control.
Screenshots of the Smart Life APP showing steps for adding a device and connecting to WiFi.
Figure 6: Smart Life App Pairing Steps

4.3 Bluetooth Connection

The AT3235 supports Bluetooth BLE and SPP dual-mode protocols for short-range data transmission. This allows for real-time data display and export of power consumption information to a PC or mobile phone via Bluetooth connection (data can only be obtained during Bluetooth connection).

Bluetooth BLE and SPP dual-mode protocol for short-range data transmission, showing a computer interface with data curves and mobile app integration.
Figure 7: Bluetooth Data Transmission

5. Operating Instructions

5.1 Display Navigation

The 2.4-inch high-definition display provides various interfaces for monitoring and settings:

  • Switching Interfaces: Short press the "+/-" buttons to cycle through different measurement functions and display screens.
  • Functional Interface: Displays safety protection, electricity statistics, quadruple alarm prompts, peak value recording, and electrical measurement curves.
  • Statistical Reports: View daily, monthly, and annual statistical reports of electricity consumption.
Multiple display screens showing electricity price settings, security protection, time, and daily/monthly/yearly energy statistics.
Figure 8: Functional Display Interfaces
Three units demonstrating daily, monthly, and annual statistical reports for electricity consumption.
Figure 9: Daily, Monthly, and Annual Statistical Reports

5.2 Real-time Data and Peak Recording

The device provides real-time display of current and voltage curves, facilitating a clear understanding of operating status and wave amplitude. It also records peak values, which helps in detecting abnormal electricity consumption.

Real-time display of current and voltage curves on the device, emphasizing peak recording.
Figure 10: Current Voltage Peak Recording

5.3 Standby Display Modes

The AT3235 features four standby display styles, and with its built-in standby battery, it can continue to run accurately even after a power failure. The standby time can be adjusted once and does not need readjustment after power off, saving time and effort.

  • Default Style
  • Large Font Style
  • Time Calendar Style
  • Screen Off Style

To change the standby style, press and hold the 'M' key to enter the background settings, then select 'Standby Style Setting'.

Four standby display modes: Default Style, Large Font Style, Time Calendar Style, and Screen Off Style.
Figure 11: 4 Standby Display Modes

5.4 Electricity Tariff Settings

The device supports three different electricity tariff modes, allowing for flexible calculation of electricity bills:

  • Single Rate Mode: Only a single rate electricity price can be set.
  • Peak Valley Tiered Electricity Price Mode: Allows setting different prices for peak and off-peak hours.
  • Steps Electricity Tariff Mode: Enables setting tiered electricity prices based on consumption levels.
Illustration of three electricity tariff modes: Steps Electricity, Peak Valley Tiered, and Single Rate.
Figure 12: Electricity Tariff Modes

5.5 APP Control Software

The AT3235 integrates with powerful IoT intelligent APP control software (Smart Life/Tuya App) for WiFi networking, remote control, and remote testing. The app provides:

  • Function Control: Remotely manage device settings.
  • Data Monitoring: Real-time monitoring of power consumption data.
  • Electrical Parameter Curve Statistics: View historical data and trends.
  • Prepaid Function: Manage electricity charges and balance.
Mobile APP interface showing home, chart, setup, and cost screens, demonstrating powerful IoT control.
Figure 13: Powerful IoT Intelligent APP Control Software
Mobile APP settings display, including options for display brightness, standby time, key beep, OVP, OCP, OPP, LVP, switch mode, overrun control, volt recovery delay, power-up switch status, price, leakage value, screen rotation, data zero, Wi-Fi reset, and system all.
Figure 14: Mobile APP Setting Display

6. Maintenance

6.1 Firmware Upgrade

The AT3235 offers lifetime free firmware update functionality via WiFi networking. This ensures your device always has the latest features and improvements.

Firmware upgrade process via WiFi networking, showing the device display indicating 'Product upgrading...' and a smartphone with 'Updating...' message.
Figure 15: Firmware Upgrade via WiFi

6.2 System Settings and Calibration

The device features a comprehensive backend settings menu (BenFang Sys Settings) accessible by long-pressing the 'M' key. Here you can perform various maintenance tasks:

  • Language: Switch between English and Chinese.
  • Display/Standby Brightness: Adjust screen illumination.
  • System Sound Switch: Turn key beeps on/off.
  • Cost Mode Setting: Configure electricity tariff modes (Price-A, Price-B, Price-C).
  • Calibration Reference: Adjust Voltage, Current, and Power calibration values for accuracy.
  • Zero All Data: Reset all recorded data.
  • WiFi Device Reset: Reinitialize WiFi settings.
  • Default Setting: Restore factory default settings.
  • Calibrate Time Date: Set the device's internal clock.
Rich Backend Setting Functions menu, showing options for language, display brightness, standby time, system sound switch, cost mode setting, voltage/current/power calibration, over voltage/current/power protection, and low voltage tip.
Figure 16: Rich Backend Setting Functions

7. Troubleshooting

If you encounter issues with your AT3235, refer to the following common troubleshooting tips:

  • Device Not Powering On: Ensure the independent power supply (AC85-265V) is correctly connected and the ON/OFF switch is in the 'ON' position.
  • WiFi Connection Issues:
    • Verify your router is broadcasting a 2.4GHz WiFi signal. The device does not support 5GHz networks.
    • Check if the device's red light is flashing, indicating it's in pairing mode. If not, perform a 'WiFi Device Reset' from the settings menu.
    • Ensure your smartphone has Bluetooth and location services enabled during the pairing process.
    • Confirm the WiFi password entered in the app is correct.
  • Inaccurate Readings:
    • Check the wiring connections carefully, ensuring they match the operation wiring diagram (Figure 5).
    • Consider performing a 'Voltage Calibrate Ref', 'Current Calibrate Ref', or 'Power Calibrate Ref' from the backend settings if you have a known accurate reference.
  • Overload/Protection Alarms: The device has built-in safety features for Over Voltage (OVP), Over Current (OCP), and Over Power (OPP).
    • If an alarm triggers, check the connected load and ensure it is within the device's specified ranges (AC0-320V, 0-35A, 0-11200W).
    • Adjust the 'Over Protect Delay' setting in the backend menu to prevent surge damage from momentary fluctuations.
    • Review and adjust the 'Over Voltage Protect', 'Over Current Protect', and 'Over Power Protect' thresholds in the settings if necessary.
  • Display Issues: If the display is too dim or too bright, adjust 'Display Brightness' and 'Standby Brightness' in the settings.
  • Data Loss: The device has built-in memory. If data appears lost, ensure the device was not reset using 'Zero All Data' or 'Default Setting' inadvertently.
Synchronization of multiple prompts between the AT3235 host and mobile app, showing alarm tips for over voltage, over current, and over power.
Figure 17: Overload Protection Alarms

8. User Tips

  • Regular Monitoring: Utilize the mobile app for continuous remote monitoring of your electrical parameters. This allows you to quickly identify any anomalies or unexpected power consumption patterns.
  • Data Analysis: Take advantage of the daily, monthly, and annual statistical reports to analyze your electricity usage trends and identify areas for energy saving.
  • Correct Wiring: Always double-check your wiring according to the provided diagram to ensure accurate measurements and safe operation. Incorrect wiring can lead to inaccurate readings or damage to the device/appliances.
  • Firmware Updates: Periodically check for and install firmware updates via WiFi to benefit from new features, performance improvements, and bug fixes.
  • Customizable Alarms: Configure the over-protection settings (OVP, OCP, OPP) to suit your specific needs and protect your connected appliances from potential damage due to electrical fluctuations.

9. Warranty and Support

ATORCH is committed to providing high-quality products backed by 17 years of dedicated research and manufacturing experience. For any product-related inquiries, technical support, or warranty claims, please contact the ATORCH Innovative Manufactory Co., Store directly through your purchase platform.

Please retain your proof of purchase for warranty validation. Specific warranty periods and terms may vary; refer to the seller's policy at the time of purchase.

ATORCH brand strength certification and quality assurance, highlighting 17 years of experience.
Figure 18: ATORCH Brand Quality Assurance

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