works well
Picked up a used Twister T6 for $400 and replaced the gear box for $100 and now its like new again.
The HM Digital PH-200 is a professional grade pH/Temp meter ideal for all pH testing water. With its advanced microprocessor it provides highly accurate dependable readings in such applications as hydroponics, purification applications, wastewater regulation, aquaculture, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment, wine, coffee, and agriculture.
| pH Range: | 0 – 14 |
|---|---|
| Temperature Range: | 0-55 °C; 32-130 °F |
| Resolution: | 0.01 pH; Temperature resolution is 0.1 °C/F |
| Accuracy: | +/- 0.1 pH; Temperature accuracy is +/-1% |
| Minimum EC/TDS: | 5 uS/10 ppm |
| Electrode: | Replaceable glass sensor and reference tube electrodes |
|---|---|
| Housing: | IP-67 Waterproof (submersible; floats) |
| Power source: | 2 x Triple A (AAA) included |
| Dimensions: | 7.3 x 1.3 x 1.3 inches |
| Weight: | 6.4 g (3.4 oz) |
| Brand | HM Digital |
|---|---|
| SKU | GG-660001 |
| Weight (lb.) | 0.4500 |
| Height (in.) | |
| Prop 65 | false |
| Lead Time | 2-3 |
| Length (in.) | |
| Width (in.) | |
| Warranty | 1 Year |
| Hazardous Material | false |
| UPC | 891144000021 |
| ETL Listed | No |
| UL Listed | No |