Metering Accessories
GPB-312 Bluetooth Optical Probe
The GPB-312 Bluetooth Optical Probe is independently developed by Hangzhou GreenPalm Technology Co.,Ltd. and conforms to IEC62056-21. Using Bluetooth wireless communication technology, it replaces conventional optical probe cables to enable wireless data communication.
It supports reading and writing IEC-standard domestic and international smart meters and connects to computers and mobile phones. The maximum communication range is 10 meters, and battery operating time is more than 15 hours.
Enquire About This Product01 / PRODUCT FEATURES
Product at a glance
IEC Smart Meter Compatibility
- Applies to IEC-standard smart meters for reading and writing.
Bluetooth Connectivity
- Supports BLE & SPP modes.
- Connects to computers and mobile phones.
- Conforms to the Bluetooth standard.
Wireless Communication Range
- Maximum communication range: 10 meters.
Battery Operation
- More than 15 hours of battery operating time.
Application Scenarios
- On-site communication between an HHU and a smart meter.
- Communication testing and protocol debugging between a meter and PC software.
02 / SPECIFICATIONS
Technical specifications
| Description | Value |
|---|---|
| Operating Voltage | 3.7–4.2 V |
| Operating Current | 60 mA |
| Standby Current | 10 mA |
| Bluetooth Communication Range | 10 m |
| Optical Communication Baud Rate | Default mode: 300bps Automatic detection mode: 300–115200bps |
| Battery Time under Operating Conditions | 15 hours (full charge) |
| Bluetooth Communication Mode | BLE & SPP |
| Power Supply | 5V (USB power supply, “Passive Port”) |
| OLED Screen Size | 0.96 inch |
| Wavelength | ~940nm, with special daylight filter |
| Standard | IEC 62056-21 |
| Weight | 60g |
| Size | 57 × 40 × 37mm |
| Diameter | 32mm |
| Body and Back Cover Material | ABS, ultrasonic welding |
| Magnet | NdFeB N38 |
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