This water quality tester accurately measures the TDS level in your tap (feed) water and purified (product) water. It enables you to determine just how good or bad your water really is! Use the meter to determine when the reverse osmosis membrane needs replacing.
Specifications: - Available with 1/4" and/or 3/8" quick connect fittings. The DM-1-NF does not come with fittings.
- Highly efficient and accurate due to its advanced microprocessor technology
- Displays TDS levels of the feed water and product water with in and out electrode probes
- Auto-off function -- Automatically shuts off meter after 10 minutes of non-use to conserve battery power
- Dual range 0-9990 ppm (from 0 - 999 ppm the resolution is 1 ppm. From 1000 to 9990 ppm, the resolution is 10 ppm, indicated by a blinking ´x10´ image)
- Factory calibrated -- HM Digital meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver.
- Installs quickly and easily
California residents
Prop 65 Warning
WARNING! This product contains materials known to the State of California to cause cancer and birth defects or other reproductive harm. www.p65warnings.ca.gov
| Product Details |
|---|
Accuracy | ±2 % |
Housing Material | Water-Resistant Casing |
Power Source | 2 x 1.5V button cell batteries (included) |
Origin | China |
| Warranty & Certifications |
|---|
Warranty | 1 Year |
| Shipping Dimensions |
|---|
Shipping Length | 10 in. |
Shipping Width | 7 in. |
Shipping Height | 4 in. |
| Product Weight & Dimensions |
|---|
Dimensions | 3x.8x1.9" |
Product Weight (lbs) | 0.18 |


1. Your order is usually shipped out within 24-48 hours after your payment is received.
2. The tracking number of your parcel will be sent to you after your order is despatched. You may use the tracking number to check the status of your order online.
3. The shipping fee will be auto-added in the grand total when you send payment.