Signet Flat Glass Double Junction for HF applications for use with 3-2720 Preamp
Ordering Information
Model 2714-2717 and Model 2720 Ordering Notes
1) Electrodes require
purchase of preamplifier
for full system installation.
2) To replace electrodes,
simply untwist from
preamplifier to replace with new electrode.
3) Always purchase a Signet
cap and installation fitting
for pipe applications.
4) Conduit and mounting
brackets for submersible installation must always be used (customer
supplied).
5) Use pipe adapters to
install in pipes larger
than DN100 (4 in.).
Specify socket weld or NPT thread.
6) Use 3-2721 remote
preamplifier when
connecting other
manufacturers electrodes to Signet instruments.
Electrode Part Number- Choose either a pH or ORP Electrode pH Electrodes
3-2714 Flat pH surface electrode
3-2714-HF Flat pH surface electrode, for use in trace HF (hydrofluoric acid) in concentrations < 2%
3-2716 Bulb pH electrode with bulb protection (on plastic body electrodes only)
3-2716-DI Bulb pH electrode with bulb protection, for process liquids <100 μS/cm conductivity ORP Electrodes
3-2715 Flat ORP surface electrode
3-2717 Bulb ORP electrode with bulb protection (on plastic body electrodes only)
Options
– For electrodes used in in-line mounting with Signet fittings, use red or blue electrode
cap (see sensor caps for in-line mounting)
-WT Glass electrode with Twist-Lock connector; for use with the 3719 Wet-Tap Assembly
Only. Available for Part Numbers 3-2716 and 3-2717 only
3-2714 Example Part Number
3-2716 -WT Example Part Number
Sensor Caps for In-Line Mounting – Choose one (required for initial installation of any pH or ORP electrode)
P31542 Red Sensor Cap (commonly used for distinguishing pH from ORP sensors)
P31542-3 Blue Sensor Cap (commonly used for distinguishing ORP from pH sensors)
P31542 Example Part Numbers
Preamplifiers – Choose one (required for initial installation of any pH or ORP electrode)
3-2720 ¾ inch FNPT submersion threads; 4.6 m (15 ft) cable
3-2720-2 ISO 7/1-R3/4 inch FNPT submersion threads; 4.6m (15 ft) cable
3-2714 and 3-2720 Example Part Numbers
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