8
SPECIFICATIONS
HI991301
Range*
‑2.00 to 16.00 pH / ‑2.0 to 16.0 pH
±825 mV (pH‑mV)
0.00 to 20.00 mS/cm**
0.00 to 10.00 ppt
‑5.0 to 105.0 °C / 23.0 to 221.0 °F
Resolution
0.01 pH / 0.1 pH
1 mV
0.01 mS/cm
0.01 ppt (g/L)
0.1 °C / 0.1 °F
Accuracy
@ 25°C/77°F
±0.02 pH / ±0.1 pH
±1 mV (pH‑mV)
±2% F.S. (EC/TDS)
±0.5 °C / ±1.0 °F Temperature
Temperature
compensation
pH ‑ Automatic
EC/TDS ‑ Automatic, with β selectable from
0.0 to 2.4 %/ °C (0.1 increments)
pH calibration
Automatic, 1 or 2 points choice between
2 sets of buffers (standard: 4.01, 7.01,
10.01 or NIST: 4.01, 6.86, 9.18)
EC/TDS
calibration
Automatic, one‑point at 12.88 mS/cm or
6.44 ppt (CONV=0.5) or
9.02 ppt (CONV=0.7)
TDS conversion
factor
Selectable from 0.45 to 1.00
(0.01 increments)
Probe (included)
HI12883 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 HI12883 is limited to be used from 0 to 13 pH and from 0 to
50 °C (32 to 122 °F)
** LCD displays mS for mS/cm
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