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Bluetooth Optical Sensor
Bluetooth Optical Sensor

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Bluetooth Optical Probe

Product ID: TP-BT-Plus

Tespro's TP-BT-PLUS Bluetooth optical probe is designed for efficient and versatile meter communication, supporting both Classic Bluetooth and Bluetooth Low Energy. Built with a low-power Chip set, it offers long-lasting battery life and fast charging via a Type-C interface.

  • Baud rate

    300-115200bps

  • Bluetooth

    BLE and SPP dual-mode

  • Time

    ~60 Hours Working、~1 Year Standby

  • Charging

    30 mins-2C PD Fast Charge

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Datasheet Download

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TP-BT-Plus Bluetooth Optical Probe Video

Features

Tech Specs

Product Dimensions

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Case

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FAQs

Features


Product Introduction

Tespro's TP-BT-PLUS Bluetooth optical probe is designed for efficient and versatile meter communication, supporting both Classic Bluetooth and Bluetooth Low Energy. Built with a low-power Chip set, it offers long-lasting battery life and fast charging via a Type-C interface. With IP54 protection, an LED indicator, and Bluetooth OTA update capability, it ensures stable performance in various environments.

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Strong Compatibility

It has strong compatibility, being fully compliant with different kinds of protocols, supporting all kinds of devices, and compatible with all brands and types of meters.

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Long Communication Endurance

It features long communication endurance, equipped with a 3.7 V / 800 mAh long-life rechargeable lithium battery, and has a meter reading capacity of 6000 meters without recharging.

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Fast Charging

The Bluetooth optical probe for meter reading boasts strong compatibility, long endurance, and fast charging capability, allowing you to use it whenever and wherever you want.

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Excellent Performance in Harsh Environment

It adopts top-level enclosure material, has silicone protection, a completed set of accessories, and a safety strap holder to prevent accidental falls. Also, it has an IP65 waterproofing rating, is made of robust and reliable ABS + PC material, and can work within a temperature range of -40°C to +70°C.

Tech Specs


Metering Equipment Technical Data

Category Items Features
Communication Communication Interface BLE and SPP dual-mode
Supported Standard IEC-62056,ANSI,and DLT-645 protocols,
fiting global meter standards
Computer Communication Port Type C-USB 3.0/OTG
Maximum Data Rate 57600 in normal and max.115200 available
USB Connection Optical Probe Supported(Add Data Cable)
Transparent Communication Mode IEC62056-21 Mode C/Mode E/User Mode
Smart Communication Mode There is (IEC 62056-21 Mode C / Mode E)
Maximum Frame Length 512 bytes
Firmware And Configuration Update OTA
Automatic Meter Reading(AMR) Support
Power & Battery Battery Feature 800 mAh(Optional)
Battery Charging Time Max 100 hours
Working Days ~ 60 Hours
Standby Time ~1 Year
Auto power-off Default auto power-off after 5 minutes (adjustable)
Hardware & Controls Sensor Light Wave Length ~ 900 nm.
Number Of Keys 2 Keys(Power and reading)
LED Indicators 5 LEDS(Power/Communication/Charg/BLE/Reading)
LED Flashlight Yes(Include)
MagnetHolding Power N40/N52(Optional)
Mechanical & Enclosure Width &Height 31,5 mm/33,5 mm
Weight 65gr
Enclosure Material PC
Silicone Protection Yes(Included)
Environmental Working Environment -30℃ …… +85℃
Physical Specifications Protection Class IP 65
Accessory Safety Strap Yes(Included)

Product Dimensions


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Explore our Solutions


Reliable Optical Communication for Smart Metering

Modern AMI systems require stable and accurate data capture at the meter level. Manual meter reading was time-consuming and error-prone.

Tespro's optical probes, including the TP-BT and USB series, enabled automatic data retrieval via optical ports, supporting various meter brands and protocols. Bluetooth and USB models offered flexibility for both field and desktop use.

Case


Product Case

A major Southeast Asian utility provider, operating in Malaysia, Singapore, and the Philippines, faced challenges like fragmented meter protocols, inefficient on-site data collection, and the need for tailored system integration, which hindered smart energy management. The company aimed to find a flexible, developer-friendly solution to unify its multi-type meter network and create a customized energy monitoring platform adaptable to diverse regional needs while streamlining field operations

 

The breakthrough came with Tespro's TP-BT-Plus Bluetooth optical probe, a device designed for versatility and customization. With BLE 5.4+SPP dual-mode communication, it supports multiple global protocols, ensuring compatibility with the client's electricity, water, and gas meters. Its edge lies in the complete BLE SDK and OTA SDK packages, allowing the client's development team to quickly integrate the probe's features into their App and energy management system.

 

Impressed by the flexibility and technical support, the utility provider ultimately procured 6,300 TP-BT-Plus probes for deployment across residential areas, commercial districts, and industrial parks. The probes’ dual-key design allowed technicians to complete single-meter data collection in 1.8 seconds, while 32 built-in Task Obis lists automated meter type identification and protocol matching—eliminating manual input errors.

 

This collaboration shows the value of the TP-BT-Plus. Its developer-focused design and ability to adapt to multiple scenarios make customized energy management possible.

Frequently Asked Questions

To help you better understand our products' performance, compatibility, and usage, we’ve compiled answers to commonly asked questions. If your inquiry isn’t listed below, feel free to contact us directly for further assistance.

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  • Are these products compatible with my current system?

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  • Do the products offer water and dust protection?

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  • Can data be transmitted remotely?

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  • How are the devices powered?

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  • Do you offer product customization?

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