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Communication Optical Probe

Product ID: TP-TTL Level

TP-TTL optical probe uses external power, supports diverse connectors and custom plugs.Tespro China uses wide-temperature cables for -40°C to +70°C operation, prioritizing quality.For 20 years, quality has been our consistent pursuit.

  • Baud rate

    300-115200bps

  • Standard

    IEC 62056-21/ANSI/ANSI-Type2/DL/T-645

  • Interface

    TTL(3.3~5V)

  • Temperature

    -40℃~+70℃

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Features


Product Introduction

The TP-TTL series optical probe is powered by an external power source, supports different types of connectors, and accepts customized plugs from customers. Tespro China always adheres to the principle of quality first, and we insist on using wide temperature cable materials to ensure that our products can work normally between -40 °C and +70°C. For the past 20 years, as always, adhering to quality is our pursuit.

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Strong Compatibility

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

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The World's Best USB Chip

It is the world's best USB chip and compatible with all operating systems.

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Support Ultra-high Speed

It supports ultra-high speed. Ultra-high speed communication technology refers to technology with a communication speed of over megabits per second (Gbps). It supports ultra-high communication speed, up to 300 - 115200 bps, and features transparent transfer mode for seamless integration with meters.

 

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Excellent Performance in Harsh Environment

It performs excellently in harsh environments. With top - level enclosure material, a strong magnet for easier connection, and a soft, durable cable to avoid tangling, it works well in summer sun or winter blizzards, saving trouble.

Tech Specs


Metering Equipment Technical Data

Category Items Features
Basic Information Communication Interface TTL(3.3~5V)
Supported Standard IEC 62056-21/ANSI/ANSI-Type2/DL/T-645
Model Specifications Sub-Models TP-TTL-IEC:Compliant with IEC-62056-21(ModC&E)
TP-TTL-ANSI-N:Compliant with ANSIC12.18
TP-TTL-ANSI-S:Compliant with ANSIC12.18-2006 type2
TP-TTL-IR645:Compliant with DL/T-645-97/07
Maximum B.R. 57600 in normal and max.115200 available
Connector Aviation plug/(Customized)
Sensor Light Wave Length ~900 nm.
Cable Cablelength 2M in normal and 3M/4M/5M for option
Fastening Strong magnetic adhesion (in accordance with IEC 62056-21)
Mounting Magnet Holding Power N40/N52(Optional)
Environment Application temperature:-40℃~70℃ in normal
Dimensions Diameter&Height Optical port 32mm Diameter/L45×H30mm
Weight 88 gr
Enclosure Material ABS+PC
Protection Class IP 54

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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 leading IoT solution provider in Southeast Asia faced persistent challenges while developing smart metering terminals for regional utilities. Its self-developed collection devices relied exclusively on TTL interfaces, but existing optical probes on the market either lacked compatibility or required cumbersome adapters—leading to unstable data transmission, frequent connection failures, and delayed product launches. The client needed a purpose-built solution that could integrate directly with their hardware without compromising performance or adding complexity to their workflow.​

 

Tespro’s TP-TTL Series Optical Probe addressed these pain points perfectly. Featuring a native TTL interface, the probe connected directly to the client’s custom terminals, eliminating the need for extra adapters and ensuring smooth, consistent data flow. The option for customized aviation plugs allowed for a precise fit with the client’s device specifications, resolving compatibility issues that had plagued previous attempts with generic probes.​

With the TP-TTL, the client successfully streamlined their smart terminal production and deployment process. The probe’s plug-and-play functionality reduced integration time, while stable data transmission eliminated post-deployment troubleshooting.​

This case underscores the TP-TTL’s value as a tailored solution for IoT developers, highlighting how purpose-built interfaces and flexible design can overcome integration barriers in smart metering applications.

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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