Description
Overview
GAOTek portable pH meter is a digital display PH meter, with LCD digital display, which can display PH and temperature values simultaneously. The instrument applies to the labs in junior college institutions, research institutes, environmental monitoring, industrial and mining enterprises and other departments or field sampling to determine the aqueous solutions’ PH values and potential (mV) values. Equipped with ORP electrode, it can measure the solution’s ORP (oxidation-reduction potential) value, equipped with the ion specific electrode, it can measure the electrode potential value of the electrode.
Technical Specification
| Measuring range | pH | 0.00 to 14.00 |
| mV | -1999 to 1999 | |
| Temp | 23 °F to 221 °F (-5 ℃ to 105 ℃) | |
| Resolution | pH | 0.01 pH |
| mV | 1 mV | |
| Temp | 32.18 °F (0.1 ℃) | |
| Electronic unit measurement error | pH | ±0.01 pH |
| mV | ±1 mV | |
| Temp | 32.54 °F (±0.3 ℃) | |
| pH calibration | 1 point, 2 point, or 3 points | |
| Isoelectric point | Isoelectric point | |
| Buffer solution | 8 groups | |
| Power supply | DC 6 V/ 20 mA; 4 x AA/LR 6 1.5 V or NiMH 1.2 V and chargeable | |
| Display | LCD | |
| pH input | BNC, resistor >10 e + 12 Ω | |
| Temp input | RCA(Cinch), NTC 30 kΩ | |
| Working condition | Temp | 41 °F to 104 °F (5 ℃ to 40 ℃) |
| Relative humidity | 5% to 80% (without condensate) | |
| Installation grade | Ⅱ | |
| Pollution grade | 2 | |
| Altitude | <=78740.16 in (200 m) | |
| Size/Weight | 9 in x 3.9 in x 1.3 in (230 mm × 100 mm × 35 mm) / 0.8 lb (400 g) | |
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