
7
SPECIFICA
TIONS
HI99300
HI99301
Range
EC
0 to 3999 μS/
cm*
0.00 to 20.00 mS/
cm*
TDS
0 to 2000 ppm 0.00 to 10.00 ppt
Temp. ‑5.0 to 105.0 °C / 23.0 to 221.0 °F
Resolu‑
tion
EC
1 μS/cm
0.01 mS/cm
TDS
1 ppm (mg/L)
0.01 ppt (g/L)
Temp.
0.1 °C / 0.1 °F
Accuracy
@ 20°C/68°F
±2% F.S. (EC/TDS)
±0.5 °C / ±1.0 °F Temperature
Temperature
Compensation
Automatic, with
b
selectable from
0.0 to 2.4 %/ °C with 0.1 increments
EC/TDS
Calibration
Automatic, one‑point at
1413 μS/cm
12.88 mS/cm
or 1382 ppm
(CONV=0.5)
or 6.44 ppt
(CONV=0.5)
or 1500 ppm
(CONV=0.7)
or 9.02 ppt
(CONV=0.7)
TDS conversion
factor
Selectable from 0.45 to 1.00 with 0.01
increments
Probe (included)
HI763063
EC/TDS/temperature
sensor, DIN connector and 1 m (3.3’)
cable
Battery type / life
1.5V AAA (3 pcs.)
approx. 500 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”)
Meter Mass
(with batteries)
196 g (6.91 oz.)
Casing Ingress
Protection Rating
IP67
* displays μS for μS/cm.
* displays mS for mS/cm.