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The HI 9025 is a microprocessor-based pH meter that is housed in a rugged waterproof casings that can measures pH/ORP and temperature.
The Auto-Instruction feature guides the user step-by-step through the calibration process with graphic symbols. The automatic calibration procedure is simple and quick and can be performed at 1 or 2 points selected from 5 memorized buffers: pH 4.01, 6.86, 7.01, 9.18 and 10.01. A stability indicator assures a correct calibration.
Range |
pH |
0.00 to 14.00 pH |
Range |
mV |
±399.9 mV; ±1999 mV |
Range |
Temperature |
0.0 to 100.0°C / 32 to 212.0°F |
Resolution |
pH |
0.01 pH |
Resolution |
mV |
0.1 mV; 1 mV |
Resolution |
Temperature |
0.1°C / 0.1°F |
Accuracy |
pH |
±0.01 pH |
Accuracy |
mV |
±0.2 mV; ±1 mV |
Accuracy |
Temperature |
±0.4°C; ±0.8°F |
pH Calibration |
|
automatic, 1 or 2 point with 5 memorized buffer values |
Temperature Compensation |
|
automatic or manual, -5 to 105°C (23 to 221°F) |
pH Electrode |
|
HI 1230B double junction, PEI (PolyEther-Imide) body, |
Temperature Probe |
|
HI 7669/2W with 1 m (3.3') cable (included) |
Input Impedance |
|
1012 Ohm |
Battery Type / Life |
|
4 x 1.5V AA / approx. 500 hours of continuous use (with backlight OFF): |
Environment |
|
0 to 50°C (32 to 122°F); RH max 100% |
Dimensions |
|
196 x 80 x 60 mm (7.7 x 3.1 x 2.4") |
Weight |
|
500 g (1.1 lb.) |
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