1. Introduction
The LaMotte 3581 Mobile WaterLink Spin Touch Lab is an advanced photometer designed for accurate and efficient testing of pool and spa water. This device utilizes innovative technology to provide precise measurements of various water chemistry parameters, facilitating effective water management. This manual provides essential information for the proper setup, operation, maintenance, and troubleshooting of your WaterLink Spin Touch Lab.
2. Safety Information
Please read all safety instructions before operating the device. Failure to follow these guidelines may result in injury or damage to the instrument.
- Always handle chemical reagents with care. Refer to the safety data sheets (SDS) for specific handling instructions for all reagents.
- Wear appropriate personal protective equipment (PPE), such as gloves and eye protection, when handling water samples and reagents.
- Do not immerse the photometer in water. It is designed for mobile use but is not waterproof.
- Keep the device and all accessories out of reach of children and pets.
- Use only LaMotte-approved Spin Disks and accessories with this instrument.
3. Package Contents
Verify that all items are present in your package:
- WaterLink Spin Touch Photometer
- Instruction Manual (this document)
- Quick-Start Instructions
- 3 Syringes
- Calibration Check Disk
- USB Cord with USB Wall Adapter
- Waterproof Carrying Case with foam inserts
Note: SpinDisk reagent cartridges, Data Mate software, and a computer are not included and must be ordered separately.

Image 1: LaMotte 3581 Mobile WaterLink Spin Touch Lab and included accessories within its protective carrying case.
4. Setup
Follow these steps for initial setup of your WaterLink Spin Touch Lab:
- Unpack the Device: Carefully remove the photometer and all accessories from the waterproof carrying case.
- Charge the Photometer: Connect the photometer to the USB cord and wall adapter. Allow the device to fully charge before first use.
- Familiarize with Components: Review the Quick-Start Instructions to identify the photometer's display, buttons, and disk insertion slot.
- Prepare Spin Disks: Ensure you have the appropriate SpinDisk reagent cartridges for your desired tests. These are sold separately.

Image 2: The LaMotte 3581 Mobile WaterLink Spin Touch Lab photometer, ready for operation.
5. Operating Instructions
The WaterLink Spin Touch photometer simplifies water testing with its automated process. Here are the general steps for operation:
- Power On: Press the power button to turn on the photometer. The display will illuminate.
- Select Test Type: Use the touchscreen interface to select the desired test parameters. The device supports various combinations of tests.
- Prepare Water Sample: Collect a fresh water sample from your pool or spa.
- Fill Spin Disk: Using one of the provided syringes, carefully draw the water sample and dispense it into the center of a new SpinDisk reagent cartridge. Ensure the disk is filled correctly according to the Quick-Start Guide.
- Insert Spin Disk: Place the filled SpinDisk into the photometer's disk insertion slot.
- Start Test: Tap 'Tap to Start Test' on the display. The photometer will automatically rotate the disk, mix the reagents with the water sample, and perform the analysis. This process typically takes 60 seconds.
- View Results: Once the test is complete, the results for up to 10 parameters will be displayed on the screen.
- Data Logging: The device is capable of data logging. For advanced data management and remote monitoring, connect the photometer to a computer with Data Mate software or utilize Data Mate Web (subscriptions sold separately).
Official Product Video: How To Use Lamotte Spin Touch
Video 1: This video demonstrates the step-by-step process of using the LaMotte Spin Touch photometer for water testing, including disk preparation and result interpretation.
6. Maintenance
Proper maintenance ensures the longevity and accuracy of your WaterLink Spin Touch Lab:
- Cleaning: Regularly wipe the exterior of the photometer with a soft, damp cloth. Do not use abrasive cleaners or solvents. Ensure the disk insertion area is free of debris.
- Storage: Store the photometer and accessories in the provided waterproof carrying case in a cool, dry place when not in use. Avoid extreme temperatures and direct sunlight.
- Calibration Check: Periodically use the included Calibration Check Disk to verify the instrument's performance. Refer to the full instruction manual for detailed calibration procedures.
- Battery Care: Fully charge the device regularly, even during periods of non-use, to maintain battery health.
7. Troubleshooting
If you encounter issues with your WaterLink Spin Touch Lab, consider the following common troubleshooting tips:
- Inaccurate Readings: Ensure Spin Disks are not expired and are stored correctly. Verify the water sample is fresh and free of contaminants. Perform a calibration check with the Calibration Check Disk.
- Device Not Powering On: Check the battery level and ensure the device is fully charged. Try connecting to a different USB port or power adapter.
- Disk Not Spinning/Test Not Starting: Ensure the Spin Disk is correctly inserted and seated. Check for any obstructions in the disk insertion slot.
- Connectivity Issues (Data Mate): Verify that the photometer is properly connected to your computer or network. Ensure Data Mate software is up-to-date.
For more detailed troubleshooting steps and error code explanations, please consult the comprehensive instruction manual or contact LaMotte customer support.
8. Specifications
| Feature | Specification |
|---|---|
| Model Number | 3581 |
| Product Dimensions | 17 x 16 x 9 inches |
| Item Weight | 3 pounds |
| Manufacturer | LaMotte |
| Testing Method | Centrifugal Fluidics Photometry |
| Test Parameters | Up to 10 parameters simultaneously (with appropriate Spin Disks) |
| Test Time | 60 seconds per test |
9. Warranty and Support
For information regarding the product warranty, please refer to the warranty documentation included with your purchase or visit the official LaMotte website. LaMotte provides customer support for technical assistance, troubleshooting, and inquiries about replacement parts or accessories.
For support, please contact LaMotte directly through their official channels.





