| Brand | HM Digital |
|---|---|
| UPC | 00891144000199 |
| MPN | TDS-4TM |
Check the listing for details. HM Digital TDS-4TM Aquarium TDS Meter with Digital Thermometer. Condition: New. Listed at 24.99 USD. TDS Range: 0-9990 ppm (mg/L). From 1000 to 9990 ppm, the resolution is 10 ppm, indicated by a blinking 'x10' image. Temperature Resolution: 0.1 degree Celsius (Celsius only). Resolution: 0-999: 1 ppm; 1000-9990: 10 ppm (indicated by a 'x10' icon).