Hach-Lange SI794 C User Manual User Manual
Page 99

99
Sensocheck
sensor monitoring
Polarization detection and monitoring of
cable capacitance
Sensoface
Provides information on the sensor condition
(Sensocheck)
Sensor monitor
Direct display of measured values from sensor for
validation (resistance/temperature)
USP function
Water monitoring in the pharmaceutical industry
(USP) with additional user-defined limit value (%),
output via relay contact
Temperature input
*
Pt100 / Pt1000/ NTC 30 kΩ /
NTC 8.55 kΩ (Betatherm)
2-wire connection, adjustable
Measuring range
Pt100 / Pt1000
-20 ... +200 °C
(-4 ... 392 °F)
NTC 30 kΩ
-20 ... +150 °C
(-4 ... 302 °F)
NTC 8.55 kΩ
-10 ... +130 °C
(+14 ... 266 °F)
Resolution
0.1 °C / 1 °F
Measurement error
1,2,3)
0.5 K
(< 1 K for Pt100; <1 K for NTC >100 °C)
Temperature compensation
*
(Reference temp 25 °C)
(OFF) None
(Lin) Linear characteristic 00.00 ... 19.99 %/K
(NLF) Natural waters to EN 27888
(nACL) Ultrapure water with NaCl traces (0...120°C)
(HCL) Ultrapure water with HCl traces (0...120 °C)
(nH3) Ultrapure water with NH
3
traces (0...120 °C)