Hanna Instruments HI 3512 - Manual (Page 41)

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The following table lists the specific pH/ORP/ISE range parameters.
Item Description Valid value Default
Calibribration Number of days after Disable, 1 to 7 days Disable
Timeout Calibration warning
(pH/ISE) is displayed
First point Management of 1 Replace or offset Replace
mode (pH) point calibration
Custom buffer Custom buffer Max. 2 buffers No
(pH) setting
pH Resolution Set pH resolution 0.1, 0.01 0.01
display 0.001
View calibr. Display calibration Enable or disabled Enable
points (pH) points
Display out of calibr. Enable or disable Enable
range warning
ISE probe
Type of ISE probe Custom or Standard (17) Fluoride
ISE unit ppt, g/L, ppm, mg/L, ppb,
µ
g/L ppm
mg/mL, M, mol/L, mmol/L, % W/V, user
Ion Charge ±1, ±2, none +1
The following table lists the specific EC/TDS/NaCl/Resistivity range parameters:
Item Description Valid value Default
Calibribration Number of days after Disable, 1 to 7 days Disable
Timeout Calibration warning
(EC/Salinity) is displayed
Out cal Display warning if the Enable/Disable Disable
range check reading is too far from the
(EC range only) calibration points
Temperature
No TC, MTC, ATC ATC
compensation
mode
Range select
Fix one Automatic, Fix one Automatic
specific range resolution of
EC, resistivity or TDS range
Cell constant Manual set of 0.010 to 10.000 1.000
the cell constant
Temperature Set the coeficient 0.00 to 10.00 %/°C 1.90 %/°C
coeficient for linear temperature
compensation
Temperature Reference temperature 15 °C, 20 °C, 25 °C 25 °C
Ref
Temperature unit
°C or °F °C
TDS factor 0.40 to 1.00 0.50