ULTRAPEN™ PT4 is Myron L® Company’s ground breaking, new Pocket Tester for measuring Free Chlorine Disinfecting Power, Free Chlorine Equivalent (FCE), as well as Temperature. It is waterproof and designed to be extremely accurate, fast, and simple to use in diverse water quality applications.
- Accuracy of up to ±0.3 ppm FCE
- Proprietary Sensor Design
- Calibration with pH and ORP Standard Solutions
- Automatic Temperature Compensation
- Temperature Readout
- Waterproof
- Powered by one N Type Battery (included)
>
Each Unit Includes
- PT4 Pocket Tester Pen Battery Installed
- User Replaceable pH/ORP Sensor Installed
- Scoop
- Soaker Cap
- Pocket Clip
- Holster
- Lanyard
- ORP Electrode Cleaning Paper
- Operating Instructions
Questions & Answers
Have a question about this product? Ask below — we’ll reply as soon as possible.
Return & Refund Policy
- Return Period: Within 30 days of delivery.
- Condition: Unused, original packaging, all accessories included.
- Non-Returnable: Gift cards, personal care, custom or digital items, sale items.
- How to Return: Email support@fastoutboard.com for RMA and return address.
- Shipping: Customer pays unless item is faulty or incorrect.
- Refund: Processed within 5–10 business days after inspection.
Warranty
- Coverage: 1-Year limited warranty for manufacturing defects.
- Excludes: Misuse, wear, or unauthorized repair.
- Claim: Email proof and photos to support@fastoutboard.com.







Reviews
There are no reviews yet.