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Signet 2760 DryLoc

®

 pH/ORP Preampli

fi

 er

The Signet 2760 pH/ORP Preampli

fi

 ers with DryLoc

®

 connectors are part of 

Signet's growing line of sensors for industrial 

fl

 uid measurement and control.

There are two styles of preampli

fi

 ers, and each is available with NPT or ISO 

threads at the cable outlet. They all connect to four different families of pH and 
ORP electrodes to supply an ampli

fi

 ed mV (analog) signal to Signet instruments.

*3-2760.090*

3-2760.090 

Rev. 9  01/18

Description

Table of Contents

• 

English

• 

Deutsch

• 

Français

• 

Español

Product Manual

Warranty Statement .............................................................................. 2
Product Registration ............................................................................. 2
Safety Information................................................................................. 2
Chemical Compatibility ......................................................................... 2
Speci

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 cations........................................................................................ 2

Dimensions ........................................................................................... 3
In-Line Assembly and Installation ...................................................... 3-4
Wet-Tap Assembly and Installation ....................................................... 4
Submersible Sensor assembly and Installation .................................... 5
Wiring to Signet Instruments................................................................. 6
Wiring from DryLoc Preampli

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 er to Others Equipment ......................... 7

Ordering Information ............................................................................. 8

Summary of Contents for Signet 2760 DryLoc

Page 1: ...H and ORP electrodes to supply an amplified mV analog signal to Signet instruments 3 2760 090 3 2760 090 Rev 9 01 18 Description Table of Contents English Deutsch Français Español Product Manual Warranty Statement 2 Product Registration 2 Safety Information 2 Chemical Compatibility 2 Specifications 2 Dimensions 3 In Line Assembly and Installation 3 4 Wet Tap Assembly and Installation 4 Submersible...

Page 2: ...on warranty repairs being returned must include a fully completed Service Form and goods must be returned to your local GF Sales office 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 ...

Page 3: ...ocked When fully assembled the 2760 will stand about 100 mm 4 in above the installation fitting Lock Unlock 100 mm 4 in Lubricate O rings 1 2 3 4 5 2760 In Line models used with 2764 2767 or 2774 2777 series electrodes BEFORE YOU START 2764 2767 Install a 1 in NPT pipe tee into the process line 2774 2777 Install a in reducing tee into the process line 1 Wrap the process threads on the electrode wi...

Page 4: ... tee in the process line DO NOT install in a inch tee or probe will be damaged 1 Wrap the process threads on the electrode with an appropriate sealant example PTFE tape to create a water tight connection 2 Lubricate O rings with a non petroleum based viscous lubricant grease compatible with the system 3 Remove the threaded nut from the preamplifier and place it around the electrode from the bottom...

Page 5: ...ier dry and clean at all times 3 Attach 3 4 in watertight pipe to the top of the 2760 Secure the threaded connection to prevent any leakage Fill the lower 75 100 mm 3 to 4 in of conduit or extension pipe with a flexible sealant such as silicone to prevent liquid accumulation on the back seal of the 2760 OR OR The submersible 2760 can be installed in a tank or vessel if conditions are within pressu...

Page 6: ...mV Input Brown wire Brown mV 4 20 mA Red V Black V White T Green T Connect this terminal to Earth GND to reduce electrical interference White Temp Green Temp Blue Iso Gnd Brown mV input Shield Black V Red V 12 11 10 9 8 7 6 5 18 17 16 15 14 13 12 11 16 15 14 13 12 11 10 9 3 8750 1 3 8750 2 3 8750 3 ProcessPro pH ORP Transmitter 3 2760 11 3 2760 21 Any of these electrodes can be connected to the Si...

Page 7: ...le 3 2760 1 3 2760 2 DryLoc Preamplifier In Line 3 2760 11 3 2760 21 White Temperature Green Temperature Blue mV Reference Shield Earth Ground Black V Red V Brown Active mV pH ORP Signet Combination pH Electrodes 3 2724 10 3 KΩ NPT 3 2724 11 3 KΩ ISO 3 2726 10 3 KΩ NPT 3 2726 11 3 KΩ ISO 3 2726 HF 10 HF Resist 3 KΩ NPT 3 2726 HF 11 HF Resist 3 KΩ ISO 3 2726 LC 10 Low Cond 3 KΩ NPT 3 2726 LC 11 Low...

Page 8: ...ings 3 2726 10 159 001 555 Bulb glass pH Electrode 3 KΩ RTD in NPT or Signet fittings 3 2726 11 159 001 556 Bulb glass pH Electrode 3 KΩ RTD ISO 7 1 R or Signet fittings 3 2726 HF 10 159 001 551 Bulb glass pH Electrode 3 KΩ RTD HF resistant in NPT or Signet fittings 3 2726 HF 11 159 001 552 Bulb glass pH Electrode 3 KΩ RTD HF resistant ISO 7 1 R or Signet fittings 3 2726 LC 10 159 001 559 Bulb gla...

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