ORTK-22 Pen-type Digital Redox ORP Water Quality Tester Pool Aquarium Hydroponics Spas
This ORP tester measures the amount of Oxidation Reduction Potential (mV) from -1999~1999mV.
This device is commonly used in the measurement of Water Disinfection, the stronger the ORP, the faster the microbe is killed. Oxidation Reduction Potential (ORP) was found to be a reliable indicator of bacteriological water quality.
- It has protective cap
- Clear LCD with backlight function
- Provides instant display
- Compact pen size
- Lightweight for mobility
- With CE RoHS Marking
- Range: -1999~1999mV
- Resolution: 1mV
- Accuracy: ±5mV
- LCD Display : 4 Digits
- Battery: 4 x 1.5V (AG-13)
- Operating Temperature: 0~50°C
- Calibration : manual by mini screwdriver (included)
- Item Color: Red
- Dimension: 151 x 33 x 20mm
- Weight: 53g
- 1 x Digital Pen-type ORP Meter
- 4 x 1.5V (AG-13) Battery
- 1 x Mini screwdriver / trimmer
- 1 x Plastic Case
- English Instruction Manual
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund in the same payment form used at the time of purchase within four weeks of giving your package to the return shipper. This time period includes the transit time for us to receive your return from the shipper, the time it takes us to process your return once we receive it, and the time it takes for the refund to be credited to your account.
For more information, please refer to our Return, Refund & Warranty Policy or contact us.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
For more information, please refer to our Shipping Policy.
Most of our items come with 1 year warranty for manufacturer defects. It does not include damage caused by misuse, accidents, abuse, alterations, neglect or other external causes.
The warranty will not extend to consumables (i.e. electrodes, calibration solution, battery, index oil), accessories, cable, compact disk and/or any written document bundled with the item.
For more information, please refer to our Warranty Policy.