# PTBTX2™

> iOS app for water quality measurement with compatible pocket testers. (iPhone/iPad app by Myron L Company.)

- Source: https://appshunter.io/ios/app/ptbtx2/id1338848296 (this page in markdown: same URL + `.md`)
- Developer: [Myron L Company](https://appshunter.io/developer/885545010)
- Category: Utilities
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 13.0 · 17 MB
- Languages: American English
- Released: 2019-08-11
- Data updated: 2026-06-20
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/ptbtx2/id1338848296/reviews.md

## What is PTBTX2™?

REQUIRED EQUIPMENT:
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
Myron L® Company ULTRAPENX2™ (Second Generation Ultrapen)
Models: PTBT1; PTBT2, PTBT3, PTBT4, PTBT5 & PTBT6
 
 
INTRODUCTION
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
The PTBTX2™ App is a GUI and communication application that, when paired with one of Myron L® Company's ULTRAPENX2 pocket testers, converts your iOS device into an accurate, reliable, fast and simple to use measurement and data storage device to use in diverse water quality applications.
 
 
ADVANCED FEATURES INCLUDE:
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
- Wireless communication between the tester and your iOS device means no bothersome wires to interfere with quickly moving from sample to sample and the paired mobile device can be held safely away from the liquid samples being measured.
- Intuitive GUI design for easily pairing, calibrating, measuring and recording measurements in the App on-board database.
- The database can be sorted, filtered and exported via your devices email App as either .xls; .xlsx, .csv formatted attachments
NOTE: The .csv export format may have render certain special characters (such as apostrophes or quotation marks) incorrectly when opened with some spreadsheet applications.
- Automatic records made of every calibration performed on each PTBTX2™ pocket tester.
 
 
WORKS WITH ULTRAPENX2™ POCKET TESTERS
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
ULTRAPENX2™ PTBT1 – Measures Conductivity, Total Dissolved Solids (TDS), Salinity, and Temperature.
ULTRAPENX2™ PTBT2 – Measures pH and Temperature.
ULTRAPENX2™ PTBT3 – Measures Oxidation Reduction Potential (ORP) and Temperature.
ULTRAPENX2™ PTBT4 – Measures Free Chlorine Equivalent (FCE) and Temperature.
ULTRAPENX2™ PTBT5 – Measures Dissolved Oxygen (Concentration or Saturation) and Temperature.
ULTRAPENX2™ PTBT6 – Measures Nitrate Concentration (nitrate or nitrate as nitrogen) and Temperature.
 
The PTBT2 through the PTBT6 Include a sample and hold mode as well as a live measurements mode.
Future ULTRAPENX2™ pocket testers will include measurement of Free Chlorine, Dissolved Oxygen and Nitrate.
1. Optimized for iOS 10 or later.
2. When operating on mobile devices running iOS 8 or 9 the PTBTX2™ App but may experience the following performance issues:
- Difficulty making and maintaining wireless connections.
- Transient on screen messaging errors during some measurements.
 
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
Myron L® is a registered trademark of the Myron L® Company, 2450 Impala Drive, Carlsbad CA, 92010-7226
Bluetooth® is a registered trademark of Bluetooth SIG

## Key features

- Wireless communication with pocket testers
- Intuitive GUI for measurements
- On-board database for data storage
- Sortable, filterable, and exportable data
- Automatic calibration records
- Supports multiple water quality parameters


## Frequently asked questions about PTBTX2™

### What is PTBTX2™ used for?

PTBTX2™ converts your iOS device into an accurate water quality measurement and data storage tool when paired with a Myron L® ULTRAPENX2™ pocket tester. It allows for wireless measurement, recording, and export of data.

### What devices are compatible with PTBTX2™?

PTBTX2™ is compatible with Myron L® Company's ULTRAPENX2™ pocket testers (models PTBT1 through PTBT6). It is optimized for iOS 10 or later and runs on iPhone and iPod devices.

### What water quality parameters can PTBTX2™ measure?

Depending on the ULTRAPENX2™ model, PTBTX2™ can measure Conductivity, Total Dissolved Solids (TDS), Salinity, Temperature, pH, Oxidation Reduction Potential (ORP), Free Chlorine Equivalent (FCE), Dissolved Oxygen, and Nitrate Concentration.

### Can I export my measurement data from PTBTX2™?

Yes, the data stored in the app's database can be sorted, filtered, and exported via your device's email app in .xls, .xlsx, or .csv formats.

### Does PTBTX2™ have ads?

No, PTBTX2™ does not contain advertisements. It is a free application designed for utility purposes.

### How often is PTBTX2™ updated?

The latest version of PTBTX2™ is 2.3, and it was last updated on September 24, 2024. Updates are released periodically to improve performance and add features.

### What are the benefits of using PTBTX2™ wirelessly?

Wireless communication between the tester and your iOS device eliminates bothersome wires, allowing for quicker sample-to-sample movement and keeping your mobile device safely away from liquid samples.

### Does PTBTX2™ record calibration data?

Yes, PTBTX2™ automatically records every calibration performed on each PTBTX2™ pocket tester, providing a history of your device's calibration status.

## Version history (last 5 releases)

### 2.3 — 2024-09-24

- Optimized for iOS 18.1, iOS 17.7 and iPadOS 18.0


- PTBTX2 Ap’s records export feature requires an email account set up via Apple built in MAIL App.

### 2.2.2 — 2023-05-04

Bug fixes

### 2.2.1 — 2021-06-12

Multiple bug fixes and updates.

### 2.2.0 — 2021-05-10

Range of PTBT5 Altitude setting changed to -2000 ft to 15000 ft and other minor improvements and bug fixes.

### 2.1.0 — 2020-02-07

- Added support for new Pocket Tester models (PTBT4, PTBT5 & PTBT6).
- Other minor corrections.

## Apps similar to PTBTX2™

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [MISD Tip](https://appshunter.io/ios/app/misd-tip/id1440174120) | — | Free | Utilities |
| [GHIA KIDS](https://appshunter.io/ios/app/ghia-kids/id1434789680) | — | Free | Utilities |
| [HeatNext](https://appshunter.io/ios/app/heatnext/id1440372440) | — | Free | Utilities |
| [益电宝-数据改变未来](https://appshunter.io/ios/app/id1434796500) | — | Free | Utilities |
| [Omni Relprev](https://appshunter.io/ios/app/omni-relprev/id1434690340) | — | Free | Utilities |
| [佐敦](https://appshunter.io/ios/app/id1448255140) | — | Free | Utilities |

## More apps by Myron L Company

- [ULTRAPEN™ PTBTx™](https://appshunter.io/ios/app/ultrapen-ptbtx/id885545007)

All apps by Myron L Company: https://appshunter.io/developer/885545010

---

*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 2026-06-20.*