Ranges
Conductivity:
0.1 µS/cm to 1,000 mS/cm
(c > 0.8 cm
–1
)
0.1 µS/cm to 500 mS/cm
(c = 0.2 to 0.8 cm
–1
)
0.01 µS/cm to 199.9 µS/cm
(c < 0.2 cm
–1
)
Temperature:
–20.0 to +120.0 °C / –4 to 248 °F
nLF: 0 to 120 °C
Salinity:
0.0 to 45.0 g/kg (0 to 30°C)
TDS:
0 to 1,999 mg/l (10 to 40°C)
Display
LCD 35 x 67 mm, character height 15 mm
Measurement cycle Approx. 2 sec
Measurement error
(± 1 count)
Conductivity:
< 0.5 % of measured value
1)
Temperature:
< 0.3 K
Input 1
(Sensor)
Multi-contact for 2 and 4-electrode sensors with integrated
temperature detector
Input 2
(Temperature)
4-mm sockets for separate Pt 1000 / NTC (30 kΩ ) temperature
detector
Permissible cell
constant
0.010 to 199.9 cm
–1
(adjustable)
Sensor
standardization
Direct entry of the cell constants,
Automatic determination of the cell constants with
KCl solution 0.01 mol/l or 0.1 mol/l,
Sensor standardization with any known solutions
Meter self-test
During switch-on routine, segment test, display of model number
and software version
Temperature
measurement
Pt 1000 / NTC 30 kΩ (automatic recognition during power-on) or
manual temperature entry
Temperature
compensation
Linear characteristic: 0.01 to 9.99 %/°C
nLF (non-linear characteristic for ultrapure water and natural
water to EN 27088
Data memory
100 memory locations: conductivity, salinity or TDS, with
temperature, date and time
Data logger
Manual, interval-controlled or event-controlled
1)
For conductivities > 500 mS/cm: < 1% meas. value
Specifications for Portamess® 913 (X) Cond
Appendix