# ORP Basic for Jenco ORP650B — Measure ORP and temperature > Measures ORP and temperature with a Jenco Bluetooth tester. (iPhone/iPad app by Jenco Instruments, Inc..) - Source: https://appshunter.io/ios/app/orp-basic-for-jenco-orp650b/id1315381470 (this page in markdown: same URL + `.md`) - Developer: [Jenco Instruments, Inc.](https://appshunter.io/developer/1275832649) - Category: Utilities - Price: Free - Rating: 5.00/5 from 2 App Store ratings · 2 written reviews indexed - Age rating: 4+ - Requires: iOS 9.0 · 19 MB - Languages: American English - Released: 2017-11-21 - Data updated: 2026-06-01 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/orp-basic-for-jenco-orp650b/id1315381470/reviews.md ## What is ORP Basic for Jenco ORP650B? Designed with the everyday users in mind, the ORP Wand app, when paired with a Jenco ORP Bluetooth tester, is the simplest way to accurately measure ORP and temperature readings. This app is optimized for the iPhone. Pro edition of this app is available with additional features: • Save reading data with GPS mapping • Annotate saved readings with notes • Share saved readings to other apps • Displays calibration history ▶ One-button Bluetooth pairing Easily pair to Jenco’s ORP Bluetooth tester, which contain the sensors and the processing hardware that accurately converts analog ORP and temperature signals to digital signals. ▶ Easy to use with guided operations Thoughtful screen layout, guided calibration operations, jargon-free instructions deliver the best-in-class user experience. ▶ Quality readings Measure the full ORP range of \-1000 to 1000 mV with resolution of 1 mV and accuracy of +/- 1% full scale. Reading quality is made possible by Jenco’s 45-year experience in designing and producing water quality instruments. ▶ Practical, useful features Reading quality indicator, temperature display, calibration reminders, and more. ▶ Complete feature list: Reading quality • Displays ORP and temperature readings at the same time • \-1000 to 1000 mV range • 0.0 to 50.0°C temperature range • 1 mV Reading resolution • +/- 1% full scale reading accuracy • Temperature display in °C or °F • Displays last calibration date Calibration • Step-by-step guided calibration procedure • ORP mV offset calibration Miscellaneous • Displays ORP Wand tester’s battery life • Pause readings (Hold) ▶ About Jenco Jenco is a family-operated manufacturer with 45 years of specialization in designing and producing water quality instruments. For more information about the ORP Bluetooth tester, please visit https://www.jencoi.com/wand ## Key features - Accurate ORP and temperature measurement - Bluetooth pairing with Jenco tester - Guided calibration procedures - Reading quality indicator - Displays tester battery life - Pause readings (Hold) ## Recent user reviews (2 of 2) All indexed reviews: https://appshunter.io/ios/app/orp-basic-for-jenco-orp650b/id1315381470/reviews.md ### 5/5 — Great App! *2018-05-11* This app has been easy to use and understand. Highly recommend. ### 5/5 — Straight forward directions *2018-04-19* Directions are in the app. Easy to follow to get started took me 2 minutes. ## Frequently asked questions about ORP Basic for Jenco ORP650B ### What is ORP Basic for Jenco ORP650B used for? ORP Basic for Jenco ORP650B is used to accurately measure ORP and temperature readings when paired with a Jenco ORP Bluetooth tester. It provides a simple interface for viewing measurements and managing calibration. ### How does ORP Basic for Jenco ORP650B connect to the tester? The app uses one-button Bluetooth pairing to easily connect to Jenco's ORP Bluetooth tester. The tester contains the necessary sensors and hardware to convert analog signals to digital for the app. ### What is the measurement range and accuracy of ORP Basic for Jenco ORP650B? The app measures ORP in the range of -1000 to 1000 mV with a resolution of 1 mV and an accuracy of +/- 1% full scale. Temperature is displayed from 0.0 to 50.0°C. ### Does ORP Basic for Jenco ORP650B offer guided calibration? Yes, ORP Basic for Jenco ORP650B provides step-by-step guided calibration procedures, including ORP mV offset calibration, to ensure accurate readings. ### What devices does ORP Basic for Jenco ORP650B support? ORP Basic for Jenco ORP650B is optimized for iPhone and also supports iPad and iPod devices. It requires a Jenco ORP Bluetooth tester to function. ### How often is ORP Basic for Jenco ORP650B updated? The app was last updated on September 8, 2023, with version 1.7. Jenco Instruments, Inc. regularly releases updates to improve functionality and compatibility. ### Is ORP Basic for Jenco ORP650B suitable for professional use? While designed for everyday users, the app provides accurate readings and calibration features. A Pro edition is available with additional features like GPS mapping and annotation for more advanced professional needs. ### Does ORP Basic for Jenco ORP650B have ads? No, ORP Basic for Jenco ORP650B does not contain advertisements. It is a free application focused on providing a clean user experience for measurements. ## Version history (last 5 releases) ### 1.7 — 2023-09-08 update translation ### 1.5 — 2020-05-13 Support Russian, Support full screen display. ### 1.4 — 2018-10-17 Updated color of the selected navigation tab ### 1.3 — 2018-09-27 Fixed support for pairing to different Wand testers Fixed connectivity issues in older OS versions Fixed decimal point issue with some number ranges Fixed hold functionality to lock unit of measure Added support for Simplified Chinese and Traditional Chinese Added support for non-Google mapping in China ### 1.2 — 2017-11-21 No release notes. ## Apps similar to ORP Basic for Jenco ORP650B | App | Rating | Price | Category | | --- | --- | --- | --- | | [ZenTest-Smart Water Tester](https://appshunter.io/ios/app/zentest-smart-water-tester/id1410820467) | 4.6 (49) | Free | Utilities | | [WebCheck](https://appshunter.io/ios/app/webcheck/id1440059102) | 3.5 (8) | Free | Utilities | | [CCTV Super Tool](https://appshunter.io/ios/app/cctv-super-tool/id1565277462) | — | Free | Utilities | | [Blood Sugar Unit Converter](https://appshunter.io/ios/app/blood-sugar-unit-converter/id1556071095) | 4.3 (3) | Free | Utilities | | [GeniLife](https://appshunter.io/ios/app/genilife/id6462992466) | — | Free | Utilities | | [RF Pro: Faraday Bag Tester](https://appshunter.io/ios/app/rf-pro-faraday-bag-tester/id6744664740) | 5.0 (5) | Free | Utilities | ## More apps by Jenco Instruments, Inc. - [pH Basic for Jenco PH610B](https://appshunter.io/ios/app/ph-basic-for-jenco-ph610b/id1275832650) - [pH Pro for Jenco PH610B](https://appshunter.io/ios/app/ph-pro-for-jenco-ph610b/id1275984818) - [Conductivity Pro for EC110B](https://appshunter.io/ios/app/conductivity-pro-for-ec110b/id1275990511) - [ORP Pro for Jenco ORP650B](https://appshunter.io/ios/app/orp-pro-for-jenco-orp650b/id1277483791) - [TDS Pro for Jenco TDS110B](https://appshunter.io/ios/app/tds-pro-for-jenco-tds110b/id1288511529) - [Conductivity Pro for EC111B](https://appshunter.io/ios/app/conductivity-pro-for-ec111b/id1290185973) All apps by Jenco Instruments, Inc.: https://appshunter.io/developer/1275832649 --- *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 2026-06-01.*