works well
Picked up a used Twister T6 for $400 and replaced the gear box for $100 and now its like new again.
Aqua Master Product Documents
Aqua Master S300 Pro 2 Substrate pH/Temp Meter User ManualThe Substrate pH/ Temp meter S300 Pro 2 is the ideal digital hand-held meter to measure the pH and temperature of any soft, moist substrate, liquid, or substance. It is suitable for many industries, such as agriculture, horticulture, and the food industry.
This high-quality and easy-to-use meter is extremely accurate and fits perfectly in the hand with a rubber ergonomic back. The pH electrode is connected to a 90 cm cord for easy use. In addition, it has a 2-point automatic calibration that makes it easy to calibrate. The S300 comes with batteries and has a replaceable probe to extend the life of the pen meter.
Note: Aqua Master recommends storing the meter with KCI storage solution in the protective cover.
Aqua Master S300 Pro 2 Substrate pH/Temp Specs
| Range | pH: 0.0 - 14.0 pH Temp.: 0°C - 50°C (32°F - 122°F) |
|---|---|
| Resolution | pH: ± 0.1 pH Temp.: 0.1 ºC (1.0 ºF) |
| Accuracy | pH: ± 0.1 pH Temp.: ±0.5°C (32°F) Temp. compensation: 0°C - 50°C (32°F - 122°F) |
| Calibration | pH: 2 point auto 4.0 - 7.0 pH |
| Features | Battery indicator & automatic temp. compensation |
| Power Supply | 3 — 1.5 Volt AG-13 button cell battery (included) |
| Auto. Power-Off | After 8 minutes |
| Calibration Indicator | With correct calibration |
| Waterproof | IP65 (electrodes are IP67 waterproof) |
| Dimensions | 8.6" x 1.6" x 1.6" (220 x 40 x 40mm) |
| Weight | 5.57 oz (158g) |
| Brand | Aqua Master |
|---|---|
| SKU | AMT1030 |
| Weight (lb.) | 0.4200 |
| Height (in.) | |
| Prop 65 | false |
| Lead Time | 5-7 |
| Length (in.) | |
| Width (in.) | |
| Hazardous Material | false |
| UPC | 8785258333750 |
| ETL Listed | No |
| UL Listed | No |
Aqua Master S300 Pro 2 Substrate pH/Temp Meter
Aqua Master S300 Pro 2 Substrate pH/Temp Meter
Aqua Master S300 Pro 2 Substrate pH/Temp Meter
Aqua Master S300 Pro 2 Substrate pH/Temp Meter