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Signet PVDF Conductivity Sensors

1.  

Depressurize and vent system prior to installation or 
removal.

2. Confi rm chemical compatibility before use.
3.  

Do not exceed maximum temperature/pressure 
specifi cations.

4.  

Wear safety goggles or faceshield during installation/
service.

5.  Do not alter product construction.
6.  

When using chemicals or solvents care should be taken 
and appropriate eye, face, hand, body, and/or respiratory 
protection should be used.

Caution / Warning / Danger

Indicates a potential hazard. Failure to follow all warnings 
may lead to equipment damage, injury, or death

Electrostatic Discharge (ESD) / Electrocution Danger

Alerts user to risk of potential damage to product by ESD, 
and/or risk of potential of injury or death via electrocution.

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.

Hand Tighten Only

Overtightening may permanently damage product threads 
and lead to failure of the retaining nut.

Do Not Use Tools

Use of tool(s) may damage product beyond repair and 
potentially void product warranty.

Note / Technical Notes

Highlights additional information or detailed procedure.

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 buffers, 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), 

click here

Warranty Information

Product Registration

Safety Information

Summary of Contents for Signet 2839

Page 1: ...cm 1 English Deutsch Fran ais Espa ol Italiano Warranty Information 2 Product Registration 2 Safety Information 2 Specifications 3 Dimensions 3 Cell Constant Selection 4 Custom Cell Certificate 4 Ins...

Page 2: ...d lead to failure of the retaining nut Do Not Use Tools Use of tool s may damage product beyond repair and potentially void product warranty Note Technical Notes Highlights additional information or d...

Page 3: ...0 s 2841 20 s 2842 30 s Operating Pressure Temperature With thread engagement per ANSI B1 20 1 10 C to 100 C 6 9 bar 14 F to 212 F 100 psi 10 C to 131 C 2 76 bar 14 F to 268 F 40 psi Storage Temperatu...

Page 4: ...be engaged to provide pressure capacity per published specifications The preferred installation for in line applications directs flow straight into the electrode This configuration dislodges entrappe...

Page 5: ...of the electrode fill the lower 75 mm to 100 mm 3 in to 4 in of conduit or extension pipe with a flexible sealant such as silicone 8850 3 Conductivity Transmitter locking ring conduit base 8052 integ...

Page 6: ...revent electrical noise and mechanical damage Seal cable entry points to prevent moisture damage For resistivity measurements above 10 M or below 20 C maximum cable length is 7 6 m 25 ft 9900 1 Field...

Page 7: ...before attempting maintenance Insulator removal and replacement A Thread the screw into the insulator 8 32 thread B Pull to remove the old insulator C Clean any coating or deposits inside the electrod...

Page 8: ...s 3 2850 51 40V 159 001 819 Integral 2850 system Digital S3 L output 0 1 cell PVDF NPT threads 3 2850 51 41V 159 001 820 Integral 2850 system Digital S3 L output 1 0 cell PVDF NPT threads 3 2850 51 42...

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