Bluetooth optical interface meter reading photoelectric probe electric meter PDA supports SPP serial port IEC 62056-21

https://zhuanlan.zhihu.com/p/1929606235948290201
As a professional provider of IoT data acquisition solutions and an expert in industrial IoT data acquisition, the editor of Shanghai Data Acquisition IOT Technology Co., Ltd， (daq-iot) hereby presents the following introduction, and sincerely welcomes discussions and exchanges.
Supported Communication Interfaces: CAN, RS485, Mbus, 4–20mA, Profibus, CC-Link, HART, digital I/O, etc.
Industrial Protocols: Modbus RTU/TCP, HJ212, IEC104, DLT645, DLMS, IEC61850, MQTT, etc.
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Bluetooth optical probeAn optical reading device equipped with Bluetooth (Classic Bluetooth and/or BLE - Low Energy Bluetooth) connection function,
support PDA Through compliance with the electricity meter IEC 62056-21 Standard "optical interface" (type) for communication
project
Specification requirements
support:
Classic Bluetooth: Version 4.1+
Low Energy Bluetooth (BLE): Version 4.0+
Bluetooth communication and connection
Minimum communication distance: 10 meters
Supporting transparent transmission mode for energy meter reading: data is directly transmitted between the meter and PDA (meter reading software), and the optical probe itself does not modify, interpret, or encode the data
Supports communication rates ranging from 300 to 38400 baud
Optical interface
Compliant with IEC 62056-21 standard
Minimum 600mAh capacity
battery
Rechargeable
Continuous usage time>8 hours
Size and portability
Compact design: 32mm (diameter) x 40mm (width) x 55mm (height) x 21mm (depth)
Durable and lightweight (<100g), suitable for various on-site environments
fixation method
LED indicator light
Lighting function
Ease of Operation
Accessories
Training
Falsely accusing friends of cheating, using logic to release americium, and exchanging support
Built in strong magnet (N38 or equivalent)
Charging/power/Bluetooth/transmit TX/receive RX status indication
1-meter range white LED light, used to illuminate the meter screen
Simple button control for power and lighting
USB Type-C charging cable
shockproof protective cover
Refer to Chapter I.4 "Training"
Suppliers are required to provide complete French technical documentation and support, covering the entire process of operating, managing, and maintaining Bluetooth optical probes