KROHNE OPTISENS PAS 2000 EN - Manual (Page 34)

7
TECHNICAL DATA
34
OPTISENS PAS 2000
www.krohne.com 11/2008 • MA PAS 2000 R04 en
7.2 Data table
OPTISENS PAS 2000 pH OPTISENS PAS 2000 ORP
Measuring system
Measuring principle Potentiometric measurement
using combination electrodes Potentiometric measurement
using combination electrodes
Field of application Continuous measurement of pH
in waste water applications Continuous measurement of ORP
in waste water applications
Modular design A typical measuring system
consists of: A typical measuring system
consists of:
MAC 080 Multiparameter
Converter MAC 080 Multiparameter
Converter
1 (or up to 4) OPTISENS 2000
Sensors 1 (or up to 4) OPTISENS 2000
Sensors
Solenoid valves for flushing Solenoid valves for flushing
MAA 2000 mounting assemblies MAA 2000 mounting assemblies
Measuring accuracy ± 1.5 % FS (Full scale) ± 1.5 % FS (Full scale)
Measuring range 0…14 pH -1500…+1500 mV (ORP)
Operating conditions
Process temperature 0…60°C / 32…140°F 0…60°C / 32…140°F
Max. immersion depth 0.8 m / 2.6 ft 0.8 m / 2.6 ft
Calibration Two point calibration (smart or
manual) using two buffer
solutions Offset calibration (automatic or
manual) using clean water and
one buffer solution
Installation conditions
PAS 2000 + MAA 2000 Telescopic
rod for immersion into basins The telescopic rod can be fixed to the handrail using a flexible spring
loaded mounting bracket
Fully extended: 2.7 m / 8.9 ft
Mounting bracket for:
- Round handrails ø = 32…50 mm / 1.3…2"
- Square cross-sections 28…42 mm / 1.1…1.7"
PAS 2000 + MAA 2000 Slide rail
for side wall mounting Installation on the side wall of basins; retractable holder with
adjustable stop
Flushing With filtered air or clean water
Pressure: 2…6 bar / 29…87 psi
Hose: 1/4" external diameter; length: 10 m / 32.8 ft
Solenoid valve: available in 230 V and 117 V versions; up to 2 sensors
can be connected to one solenoid valve
Process connection Submerged in open channels/basins
.book Page 34 Friday, November 28, 2008 2:32 PM