# TC-RTD Reference — Thermocouples RTDs Conversion > Converts thermocouple and RTD resistance/voltage to temperature, with recording. (iPhone/iPad app by 立娜 王.) - Source: https://appshunter.io/ios/app/tc-rtd-reference/id6504454500 (this page in markdown: same URL + `.md`) - Developer: [立娜 王](https://appshunter.io/developer/1761096632) - Category: Utilities, Productivity - Price: $1.99 - Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed - Age rating: 4+ - Requires: iOS 13.0 · 12 MB - Languages: Korean, German (Germany), Russian, European Spanish, American English, Italian, Japanese, Chinese (Simplified, China), Chinese (Traditional, Hong Kong SAR China), Brazilian Portuguese and 1 more - Released: 2024-07-01 - Data updated: 2026-08-21 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/tc-rtd-reference/id6504454500/reviews.md ## What is TC? This software is a user-friendly, efficient, and comprehensive tool designed for field technicians, engineers, and programmers. It allows for quick and easy conversion between resistance potential and temperature, suitable for various common temperature sensors. This application simplifies the temperature measurement process, providing a practical solution for professionals. Data support: Supports thermocouple types B, E, J, K, N, R, S, T, C, D, G with all voltages measured in millivolts (mV). The conversion formulas used are derived from NIST thermocouple tables and coefficients. Supports bi-directional query for PT1000, PT100, PT500, PT800, PT10, CU50, CU100, Ni100, Ni120, Ni1000 RTDs (ITS-90). Temperature recording: Supports temperature recording and temperature curve display, with one-click export of records and charts to Excel, facilitating on-site data entry and analysis. Fast and accurate: Instantly obtain the temperature coefficients and performance curves you need. Offline availability: Can be queried in field environments without network access. Intuitive interface: Clean design, easy to operate. Regular updates: Always maintains the latest industry standards. Whether you're an industrial automation engineer, process control expert, factory instrument engineer, or a student of temperature measurement, TC-RTD is an indispensable assistant for you. ## Key features - Thermocouple and RTD conversion - Supports multiple sensor types - Offline functionality - Temperature recording and charting - Export data to Excel - Intuitive user interface ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/tc-rtd-reference/id6504454500/reviews.md ### 5/5 — 实用 *2024-07-01* 去现场 查数值方便多了。 ## Frequently asked questions about TC ### What is TC-RTD Reference? TC-RTD Reference is a utility application designed for quick and accurate conversions between resistance, potential, and temperature for various common temperature sensors like thermocouples and RTDs. It simplifies temperature measurement processes for professionals. ### What types of sensors does TC-RTD Reference support? TC-RTD Reference supports thermocouple types B, E, J, K, N, R, S, T, C, D, G, and RTDs such as PT1000, PT100, PT500, PT800, PT10, CU50, CU100, Ni100, Ni120, and Ni1000. The conversion formulas are derived from NIST thermocouple tables and ITS-90 standards. ### Can TC-RTD Reference be used without an internet connection? Yes, TC-RTD Reference offers offline availability. It can be queried in field environments without requiring network access, making it a reliable tool for on-site use. ### Does TC-RTD Reference allow for data recording and export? Yes, TC-RTD Reference supports temperature recording and displays temperature curves. Users can export records and charts to Excel with a single click, facilitating on-site data entry and analysis. ### How much does TC-RTD Reference cost? TC-RTD Reference is a paid application, priced at $1.99. This one-time purchase provides access to all its conversion and data logging features. ### What devices is TC-RTD Reference compatible with? TC-RTD Reference is designed for iOS devices, including iPhone, iPad, and iPod. It requires iOS 4+ and is optimized for these platforms. ### How often is TC-RTD Reference updated? The application is regularly updated to maintain the latest industry standards. The last update was on April 27, 2026, indicating a commitment to ongoing support and improvements. ### What is the age rating for TC-RTD Reference? TC-RTD Reference has an age rating of 4+, making it suitable for a broad audience including younger users who may be learning about temperature measurement. ## Version history (last 5 releases) ### 1.0.7 — 2026-04-27 1 Range conversion supports custom upper and lower limits ### 1.0.6 — 2025-09-18 1 Add temperature unit conversion functionality between Celsius (℃) and Fahrenheit (℉) ### 1.0.5 — 2025-07-05 1 Added support for thermocouple cold junction temperature compensation parameters ### 1.0.4 — 2025-01-08 1.fix bugs ### 1.0.3 — 2024-12-30 1. Added support for Type C, D, and G thermocouples 2. Added support for Ni100, Ni120, and Ni1000 RTDs ## Apps similar to TC | App | Rating | Price | Category | | --- | --- | --- | --- | | [LTH Discover](https://appshunter.io/ios/app/lth-discover/id6476649403) | — | Free | Utilities | | [4-20 Temperature Calculator](https://appshunter.io/ios/app/4-20-temperature-calculator/id1602351736) | 3.0 (2) | Free | Utilities | | [Pressure Converter Psi Bar Pa](https://appshunter.io/ios/app/pressure-converter-psi-bar-pa/id1535034560) | 4.5 (10) | Free | Utilities | | [Electronic Circuits Calc Pro](https://appshunter.io/ios/app/electronic-circuits-calc-pro/id1658493129) | — | $4.99 | Utilities | | [Pressure Units Converter](https://appshunter.io/ios/app/pressure-units-converter/id1452151266) | — | $1.99 | Utilities | | [M2go Sensor](https://appshunter.io/ios/app/m2go-sensor/id1166199314) | — | Free | Utilities | ## More apps by 立娜 王 - [SunSim Building-Sun tracker](https://appshunter.io/ios/app/sunsim-building-sun-tracker/id6479755082) - [PID Controller Simulation](https://appshunter.io/ios/app/pid-controller-simulation/id6612009107) - [Instrument Toolbox](https://appshunter.io/ios/app/instrument-toolbox/id6698856248) - [PaintMixing - Color Assistant](https://appshunter.io/ios/app/paintmixing-color-assistant/id6741551966) - [PDF Image Extract-PDF to Image](https://appshunter.io/ios/app/pdf-image-extract-pdf-to-image/id6743068462) All apps by 立娜 王: https://appshunter.io/developer/1761096632 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-21.*