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.
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Baud rate
300-115200bps
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Bluetooth
BLE and SPP dual-mode
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Time
~60 Hours Working、~1 Year Standby
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Charging
30 mins-2C PD Fast Charge
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Datasheet Download
TP-BT-Plus Bluetooth Optical Probe Video
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.
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.
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.
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.
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 |
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| 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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| 新加的模块 2 | 新加的模块3 | 新加的模块 4 | 新加的模块6 |
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.
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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.
Contact Us
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Are these products compatible with my current system?
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Most products support cross-platform protocols and work with Android, iOS, and Windows systems. Please refer to the product specifications for exact compatibility.
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What communication methods are supported?
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Most devices support multiple communication modes such as Bluetooth, USB, and Wi-Fi to meet various application needs.
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Do the products offer water and dust protection?
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Yes, most of the products are rated at least IP54, providing resistance against dust and water splashes in industrial environments.
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Can data be transmitted remotely?
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Some models support wireless data transmission via Wi-Fi or 4G/5G networks, enabling real-time upload to cloud platforms or backend systems.
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How are the devices powered?
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Devices typically feature rechargeable batteries with runtimes ranging from 8 to 24 hours, and can be recharged via USB.
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Do you offer product customization?
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Yes, we provide customization options such as protocol support, casing design, and mounting solutions. Please contact us for more details.
