52
SPECIFICATIONS
Unit of
Measure
Range
Resolution
Accuracy
pH
0 to 14 pH
0.01 pH
± 0.02 pH
ORP
-1999 to 1999 mV
0.1 mV (-199.9 to
199.9 mV)
otherwise 1 mV
± 0.2 mV (-199.9
to 199.9 mv)
otherwise ± 2 mV
Conductivity
0 to 19.99 uS
0 to 199.9 uS
0 to 1999 uS
0 to 19.99 mS
0 to 199.9 mS
0.01 uS
0.1 uS
1 uS
0.01 mS
0.1 mS
± (1% FS + digit)
TDS
0 to (19.99*f) ppm
0 to (199.9*f) ppm
0 to (1999*f) ppm
0 to (19.99*f) ppt
0 to (199.9*f) ppt
f=TDS
conversion factor
0.01 ppm
0.1 ppm
1 ppm
0.01 ppt
0.1 ppt
± (1% FS + digit)
Salt (Based
on NaCl)
0 to 11.38 ppt
0 to 80.0 ppt
0.01 ppt
0.1 ppt
± (1% FS + digit)
Unit of
Measure
ATC or
MTC
Calibration
Calibration
Acceptable Window
pH
Yes
Automatic buffer
recognition
NIST: ± 1.25 at 6.86
CUSTOM: ± 1.00
Conductivity
Yes
Maximum 5 points (one
point per range)
± 20% of the factory
default value and ≥
10% FS
TDS
Yes
Maximum 5 points
(one point per range)
Adjust TDS
conversion factor
± 20% of the factory
default value and ≥
10% FS
Salt (Based
on NaCl)
Yes
Maximum 2 points
(one point per range)