Adwa AD131 ADWA AD131 Waterproof Portable pH/ORP/ Temp Meters (-2.00~ 16.00 pH)
Range: pH: -2.00 to 16.00; ORP: -2000 to +2000 mV; Temp: 20.0 to 120.0°C (-4.0 to 248.0°F)
Resolution: pH 0.01; ORP: 0.1 up to ±999.9 mV / 1 mV (outside); Temp: 0.1°C (0.1°F)
Accuracy (at 25°C/77°F): pH ± 0.01 pH; ORP ±0.2 up to ±699.9, ±0.5 up to ±999.9 mV / ±2 mV (outside); Temp: ±0.4°C (±0.8°F)
Calibration: pH up to 5-points
Buffers: pH 1.68, 4.01, 6.86, 7.01, 9.18, 10.01, 12.45
Temperature compensation: ATC/MTC (-20 to 120°C)
Calibration ORP: factory
UNIT: °C and °F
Memory: 500 samples on demand, with time GLP yes, with time
Hold function: yes (Auto End Point)
Low battery indication: yes
Stability indicator: yes
Auto shutt-off: 20 min. (can be disabled)
Power supply: 4 x 1.5V AA batteries
Battery life: 300 hours approx
Features: ATC & MTC, 500 samples memory, GLP capability, HOLD function capability, Auto Shut-Off
Supplied with: in carton box, AD1230B pH electrode with Epoxy body with tip protector, AD7662 stainless steel temperature probe, calibration solution in sachets (pH7 and pH4, 20 ml each), 1.5V AA alkaline battery (4 pcs), user manual.
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