# Sentron — Easy pH / EC measurement > Mobile pH and EC meter app for wireless Sentron probe measurements. (iPhone/iPad app by Sentron Europe B.V..) - Source: https://appshunter.io/ios/app/sentron/id1623135557 (this page in markdown: same URL + `.md`) - Developer: [Sentron Europe B.V.](https://appshunter.io/developer/1623135559) - Category: Utilities, Productivity - Price: Free - Rating: 3.00/5 from 2 App Store ratings - Age rating: 4+ - Requires: iOS 15.0 · 94 MB - Languages: English - Released: 2022-08-30 - Data updated: 2026-06-10 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/sentron/id1623135557/reviews.md ## What is Sentron? Turn your mobile device into a full-featured pH meter by downloading this free Analytical Sensors app. Connect your device to one or more non-glass Sentron pH probes with Bluetooth Low Energy technology. Step-by-step instructions included. The app is intuitive and guides you through the complete process of setting configurations, calibrating, acquiring, storing and exporting all measurement data. Monitoring pH was never that easy! SENTRON EUROPE BV Sentron has developed a comprehensive line of wireless high-quality probes for glass-free pH measurements. Sentron’s ISFET pH sensor technology provides accurate and reliable pH measurements for various applications. All pH probes include a replaceable, interchangeable sensor part for extra durability. It is wirelessly connected via Bluetooth to our Sentron app. Interested? Purchase your pH probe of interest simply at our web shop at www.sentron.nl/shop . For your convenience we offer carry cases with a buffer set and predrill stick. This predrill stick can be used to prepare pilot holes in dry soils. The carry case offers convenient protection for your probes. pH AS A CRITICAL PARAMETER pH is a critical parameter in many areas. Examples include agriculture, horticulture, environment, laboratory applications and inline food processes for beer, wine, meat, fish, or cheese. SENTRON’S ISFET pH SENSOR PROBE * Wireless * Glass-free * Robust * Dry storage SENTRON GLASS-FREE pH PROBES Thanks to comprehensive ISFET pH sensor technology, Sentron offers glass-free wireless pH probes. The probes are used for accurate and reliable pH measurements for demanding applications. Multiple Sentron probes can be connected simultaneously. Functions include calibration (1-, 2-, 3- and 5-point calibration), sample measurement, data logging, graph plotting and data sharing. Measurement of pH and temperature starts as soon as the probe is connected to the mobile device. A notification signals when a probe needs a new calibration. The measurement can be displayed as tabulated data or a graph. ADDITIONAL FEATURES * Display of the probe’s condition, name, reading stability and battery life * Both automatic customizable and manual data logging * Automatic temperature compensation (ATC) * User-definable alarm thresholds for pH and temperature * Automatic recognition of previously connected probes and calibration data stored on probes * GPS mapping of your pH data * Advanced mode option for expert users WIRELESS The Sentron probe’s Bluetooth Low Energy technology offers many advantages in wireless measurement convenience. Each probe can be used up to 50 meters (150 feet) from the mobile device. The Sentron probe and app are ideal for professionals and private indiiduals that need accurate wireless measurements in the laboratory, industry halls, outdoors, etc. Sentron probes are compatible with devices with Bluetooth 5.0 or higher. DEMO PROBES AVAILABLE Would you like to experience our app before buying our product? That’s possible! Download the app and add the virtual demo probe in the app. Experience the convenience of the app yourself. COMING SOON: MULTIPARAMETER PROBE The current pH probe portfolio will be extended with probes for EC (Electrical Conductivity) and ORP (Oxidation Reduction Potential). Imagine: alle these parameters in one and the same probe! Follow us at www.sentron.nl for any related news. ## Key features - Wireless pH/EC measurement - Bluetooth probe connectivity - Step-by-step calibration - Data logging and graphing - GPS data mapping - Automatic temperature compensation ## Frequently asked questions about Sentron ### Does Sentron have ads? Sentron does not contain advertisements. The app is free to download and use without interruptions from ads. ### How do I connect Sentron probes? Sentron probes connect wirelessly to your mobile device via Bluetooth Low Energy technology. Ensure your device supports Bluetooth 5.0 or higher for optimal performance. ### What devices is Sentron compatible with? Sentron is compatible with iPhone, iPad, and iPod devices. It requires a device with Bluetooth 5.0 or higher for probe connectivity. ### Can I use multiple Sentron probes at once? Yes, Sentron allows you to connect multiple Sentron probes simultaneously for comprehensive data collection and analysis. ### How often is Sentron updated? The latest version of Sentron is 1.11.3, last updated on June 10, 2026. Updates typically include bug fixes and feature enhancements. ### What is the age rating for Sentron? Sentron has an age rating of 4+. This indicates it is suitable for users of all ages, with no mature content. ### Where can I purchase Sentron pH probes? Sentron pH probes can be purchased directly from the Sentron web shop at www.sentron.nl/shop. They offer various probe options and accessories. ### What kind of calibration does Sentron support? Sentron supports 1-, 2-, 3-, and 5-point calibration for its pH probes. The app will notify you when a new calibration is needed. ## Version history (last 5 releases) ### 1.11.3 — 2026-06-10 Small bugfixes ### 1.11.2 — 2026-05-29 Small bugfixes ### 1.10.3 — 2025-12-17 • Fixed interval measurements for POET probes • More stable and faster backlog reading • Several small bugfixes ### 1.10.2 — 2025-09-25 Bugfixes ### 1.9.2 — 2025-07-24 Added Sentron Hub support Several Small Bug fixes ## Apps similar to Sentron | App | Rating | Price | Category | | --- | --- | --- | --- | | [Ruskin](https://appshunter.io/ios/app/ruskin/id654709749) | — | Free | Utilities | | [Just Trackers - Plant IoT](https://appshunter.io/ios/app/just-trackers-plant-iot/id1491143049) | — | Free | Utilities | | [SIC4343 pH](https://appshunter.io/ios/app/sic4343-ph/id6448841085) | — | Free | Utilities | | [SHARECapture](https://appshunter.io/ios/app/sharecapture/id6745205437) | — | Free | Utilities | | [Senseen Pencil](https://appshunter.io/ios/app/senseen-pencil/id6456484730) | — | Free | Utilities | | [GroSens Handheld](https://appshunter.io/ios/app/grosens-handheld/id1493961433) | — | Free | Utilities | ## Related topics [ph988echomatrix](https://appshunter.io/ios/topics/ph988echomatrix) · [bonds ph](https://appshunter.io/ios/topics/bonds-ph) --- *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 2026-06-10.*