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GLASS BODY BULB ELECTRODE – FLS pH/ORP 400

The FLS 400 line of pH/ORP electrodes with glass body has been designed for fitting a wide range of applications. The ceramic junction guarantees high performances in terms of pressure and temperature. Different types of ceramic junction allow finding the proper solution in according with application needs: annular for a faster response time, 3-diaphragmfor higher pressure rate. Moreover the standard double junction prevents the contamination of reference solution granting a long operating time. Version with long outline cable (9 mt) or with head connection

APPLICATIONS

• Water treatment
• Neutralization systems
• Water quality monitoring
• Process control
• Agriculture and fertilizing systems
• Plating plant and tannery
• Cooling towers and scrubbers

MAIN FEATURES

• Glass body
• Sensors suitable for extreme applications
• Installation easy and cheap
• Cheap adaptors for installations
• Special versions available on request
• High performance electrodes

Technical Data

General

• Operating range:
– pH electrodes: 0 – 14 pH (0 – 12.3 pH without Na+
error)
– ORP electrodes: ± 2000 mV
• Pipe size range: DN15 to DN100 (0.5” to 4”)
• Zero point voltage point new electrode performances:
7pH ± 0.2pH
• Efficiency new electrode performances: > 97% @
25°C (77°F)
• Response time new electrode performances:
– pH: 2 sec for 95% of signal change
– ORP: application dependent
• Reference:
– electrolyte: 3M KCl polymeric gel (different substrates
in according with model)
• Process connection:
– in-line installation with: PG13,5 (PH435CD); threaded
nipple 1/2” (PH431CD; ORP431CD)

• Max working pressure/ working temperature:
– 6 bar (90psi) @ 130°C (266°F) ;16 bar (240psi)
@ 25°C (77°F) (PH435CD)
– 2 bar (30psi) @ 100 °C (212 °F); 10bar (100psi)
@ 25°C (PH431CD; ORP431CD)
• Wetted materials:
– body: glass
– junction: anular ceramic (PH431CD; ORP431CD);
double anular ceramic (PH435CD)
– sensing surface: glass membrane (pH); platinum
(ORP)

Standards & Approvals

• Manufactured under ISO 9001
• Manufactured under ISO 14001
• CE
• EAC

Specific for pH-ORP.400

Model Body Junctionmaterial/type Referencesolution Sensingsurface O-ring Connection Max [email protected] workingtemperature
PH435CD glass Ceramic/Double junction KCl 3M Glass type H Silicone S7 6 bar @ 130°C/ (85 psi @ 266°F)
PH431CD glass Ceramic/Double junction KCl 3M Glass type GX2 9 mt (27 ft) cable 2 bar @ 100°C/ (30 psi @ 212°F)
ORP431CD glass Ceramic/Double junction KCl 3M Platinum 9 mt (27 ft) cable 2 bar @ 100°C/ (30 [email protected] 212°F)

DIMENSIONS

A PH431CD, ORP431CD
B PH435CD

1 Cable: 9mt
2 Glass body
3 pH glass bulb
4 S7

ORDERING DATA

pH4XX Bulb pH Electrodes with glass body

Part No. Description /Name Applications/
Operative Range
Cable
(sold separately)
Connection Installation Weight
(gr.)
PH431CD Double Junction
combination pH/Reference
electrode
0 – 13 pH (0 – 12.3 pH
without Na+ error)
Not required 9 mt (27 ft) GEG135 200
PH435CD Double Junction
combination pH/Reference
electrode
For high temperature/0
– 14 pH (0 – 12.3 pH
without Na+ error)
CE5S7 S7 GEG135

GEG135SE
EG135FS
EG135FL

200

ORP4XX Bulb ORP Electrodes with glass body

Part No. Description /Name Applications/
Operative Range
Cable
(sold separately)
Connection Installation Weight
(gr.)
ORP431CD Double Junctioncombination ORP/Reference electrode ± 2000 mV Not required 9 mt (27 ft) cable GEG135 200

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