# ORP Pro for Jenco ORP650B — Measure ORP and temperature

> Measure ORP and temperature (iPhone/iPad app by Jenco Instruments, Inc..)

- Source: https://appshunter.io/ios/app/orp-pro-for-jenco-orp650b/id1277483791 (this page in markdown: same URL + `.md`)
- Developer: [Jenco Instruments, Inc.](https://appshunter.io/developer/1275832649)
- Category: Utilities
- Price: $9.99
- Age rating: 4+
- Requires: iOS 9.0 · 24 MB
- Languages: American English
- Released: 2017-11-21
- Data updated: 2026-05-12
- User reviews in markdown: https://appshunter.io/ios/app/orp-pro-for-jenco-orp650b/id1277483791/reviews.md

## What is ORP Pro for Jenco ORP650B?

Designed with the everyday users in mind, the ORP Wand app, when paired with a Jenco ORP Wand tester, is the simplest way to accurately measure ORP and temperature readings.  This app is optimized for the iPhone.

▶ One-button Bluetooth pairing
Easily pair to Jenco’s ORP Wand 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, made possible by 45 years of experience in designing and producing water quality instruments.

▶ Practical, useful features
Geo-tagged data storage, reading quality indicator, data sharing, temperature display, calibration reminders, calibration log, 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°C temperature range
• 1 mV Reading resolution
• +/- 1% full scale reading accuracy
• Temperature display in °C or °F
• Displays last calibration date

Saved readings
• Save reading data with GPS mapping
• Annotate saved readings with notes
• Share saved readings to other apps

Calibration
• Step-by-step guided calibration procedure
• ORP mV offset calibration
• Displays calibration history

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 Wand tester, please visit https://www.jencoi.com/wand


## Version history (last 5 releases)

### 1.6 — 2020-05-08

Support Russian,
Support full screen display.

### 1.5 — 2019-03-13

Fix data sharing error.

### 1.4 — 2018-10-18

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 — 2017-11-20

No release notes.

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## 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)
- [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

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*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 2026-05-12.*