YSI IQ S ENSOR N ET VARiON Plus 700 IQ - Manual (Page 63)

VARiON
®Plus
700 IQ Technical data
9 - 5 ba76000e01 01/2012
9.5 Data of the VARiON
®Plus
electrodes
9.5.1 Response times
9.5.2 Materials
9.5.3 Weights
VARiON ®Plus NH4 VARiON ®Plus NO3 VARiON ®Plus K VARiON ®Plus Cl
Response time t
90
< 3 min < 3 min < 3 min < 3 min
Measured at 20 °C (68 °F)
and a concentration change
of ... 10 to 100 mg/l
NH4-N 5 to 50 mg/l
NO3-N 5 to 50 mg/l
K 10 to 100 mg/l
Cl
VARiON
®Plus
NH4 VARiON
®Plus
NO3 VARiON
®Plus
K VARiON
®Plus
Cl VARiON
®
Ref
Electrodes
Housing POM POM POM PVC PVC
Clamping ring POM POM POM - -
Membrane soft PVC with
stainless steel
protective
grating soft PVC with
stainless steel
protective grating soft PVC with
stainless
steel
protective
grating ISE element
(solid body)
in epoxy -
Junction - - - - Porous
PVDF
Sealing ring FPM (Viton
®
) FPM (Viton
®
) FPM (Viton
®
) FPM (Viton
®
) FPM (Viton
®
)
Connection
contacts gold-plated gold-plated gold-plated gold-plated gold-plated
Storing equipment
Watering cap POM POM POM POM POM
Nut PMMA PMMA PMMA PMMA POM
VARiON ®Plus NH4 VARiON
®Plus
NO3 VARiON ®Plus K VARiON ®Plus Cl VARiON ® Ref
5 g 5 g 5 g 5 g 13 g