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Range*
‑2.00 to 16.00 pH
±825 mV (pH‑mV)
0.00 to 6.00 mS/cm (EC) **
0 to 3000 ppm (0.5 CF)/0 to 3990 ppm (0.7 CF)
‑5.0 to 105.0 °C / 23.0 to 221.0 °F
Resolution
0.01 pH
1 mV (pH‑mV)
0.01 mS/cm
10 ppm (mg/L)
0.1 °C / 0.1 °F
Accuracy
@ 25°C / 77°F
±0.02 pH
±1 mV (pH‑mV)
±2% F.S.
±2% F.S.
±0.5 °C / ±1.0 °F
Temperature
compensation
pH ‑ Automatic
EC ‑ Automatic, with
β
=1.9%/ °C
pH calibration
Automatic, 1 or 2 point, with: pH 4.01
;
pH 7.01
;
pH 10.01
‑ one‑point calibration using quick calibration
solution
EC calibration
Automatic, one‑point at 1.41 mS/cm or
5.00 mS/cm
‑ one‑point calibration using quick calibration
solution
TDS conversion
factor
0.5 (500 ppm) or 0.7 (700 ppm)
Probe (included)
HI1285‑7
pH/EC/TDS/temperature sensor, DIN
connector and 1 m (3.3’) cable
Battery type / life
1.5V AAA (3 pcs.)
approx. 600 hours of continuous use
Auto‑off
user selectable: after 8 min, 60 min or disabled
Environment
0 to 50 °C (32 to 122 °F) RH max. 100%
Meter dimensions
154 x 63 x 30 mm (6.1 x 2.5 x 1.2”)
Weight
(with batteries)
196 g (6.91 oz.)
Casing ingress
protection rating
IP67
*the pH range is limited from 0 to 13 pH and the temperature range
from 0 to 50 °C (32 to 122 °F) using
HI1285‑7
probe.
**mS/cm is displayed as mS on the display.
***TDS conversion factor: 1000 μS/cm = 500 ppm with 0.5 CF.
SPECIFICA
TIONS
SPECIFICATIONS