2
Signet 3719 pH/ORP Wet-Tap
76 mm
(3.0 in.)
130 mm
(5.13 in.)
49 mm
(1.94 in.)
45 mm
(1.75 in.)
39 mm
(1.52 in.)
20 mm
(0.8 in.)
75 mm
(2.94 in.)
Pipe thread
1
1
/
2
in. NPT
or
ISO 7-R1
1
/
2
76 mm
(3.0 in.)
39 mm
(1.52 in.)
20 mm
(0.8 in.)
Pipe thread
2 in. NPT
or
ISO 7-R2
34 mm
(1.32 i
41 mm
(1.62 in.
25 mm
(1.00 in.)
3719-1 Wet-Tap
1
1
/
2
in. outlet for 2
1
/
2
to 4 in. pipe
3719-2 Wet-Tap
2 in. outlet for 6 to 12 in. pipe
CAUTION!
When using clamp-on saddle fi ttings (customer-supplied),
the system temperature and pressure is limited by the saddle
specifi cations.
The process temperature is limited to 40 °C (104 °F) maximum
when using saddles.
218 mm
(8.57 in.)
35 mm
(1.4 in.)
2756-WTP(-1) pH electrode, plastic
2757-WTP ORP electrode, plastic
Refer to your local Georg Fischer Sales offi ce for the most
current warranty statement.
All warranty and non-warranty repairs being returned must
include a fully completed Service Form and goods must be
returned to your local GF Sales offi ce or distributor.
Product returned without a Service Form may not be
warranty replaced or repaired.
Signet products with limited shelf-life (e.g. pH, ORP, chlorine
electrodes, calibration solutions; e.g. pH buff ers, turbidity
standards or other solutions) are warranted out of box but not
warranted against any damage, due to process or application
failures (e.g. high temperature, chemical poisoning, dry-out) or
mishandling (e.g. broken glass, damaged membrane, freezing
and/or extreme temperatures).
Thank you for purchasing the Signet line of Georg Fischer
measurement products.
If you would like to register your product(s), you can now
register online in one of the following ways:
• Visit our website
www.gfsignet.com.
Under
Service and Support
click on
Product Registration Form
• If this is a pdf manual (digital copy),
Warranty Information
Product Registration
Safety Information
Caution / Warning / Danger
Indicates a potential hazard. Failure to follow all warnings
may lead to equipment damage, injury, or death
Personal Protective Equipment (PPE)
Always utilize the most appropriate PPE during
installation and service of Signet products.
Pressurized System Warning
Sensor may be under pressure, take caution to vent
system prior to installation or removal. Failure to do so
may result in equipment damage and/or serious injury.
Note / Technical Notes
Highlights additional information or detailed procedure.
Dimensions
•
Do not exceed maximum temperature/pressure
specifi cations.
•
Wear safety goggles or face shield during
installation/service.
•
Do not attempt to disassemble the retraction housing
and the electrode piston.
•
Do not alter product construction.
•
Failure to follow safety instructions may result in severe
personal injury.
•
Retract electrode before any pipe cleaning operation.
