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+GF+ Signet 2760 DryLoc Product Manual

Ph/orp preamplifier
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Signet 2760 DryLoc
*3-2760.090*
3-2760.090
Rev. 9 01/18
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English
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pH/ORP Preamplifier
®
Description
The Signet 2760 pH/ORP Preamplifiers with DryLoc
Signet's growing line of sensors for industrial fluid measurement and control.
There are two styles of preamplifiers, 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 amplified mV (analog) signal to Signet instruments.

Table of Contents

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 Sensor assembly and Installation .................................... 5
Wiring to Signet Instruments................................................................. 6
Ordering Information ............................................................................. 8
Product Manual
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Summary of Contents for +GF+ Signet 2760 DryLoc

  • Page 1 English Signet 2760 DryLoc pH/ORP Preamplifier ® *3-2760.090* 3-2760.090 Rev. 9 01/18 Product Manual Description The Signet 2760 pH/ORP Preamplifiers with DryLoc connectors are part of ® Signet's growing line of sensors for industrial fluid measurement and control. There are two styles of preamplifiers, and each is available with NPT or ISO threads at the cable outlet.

  • Page 2: Warranty Statement

    Hand Tighten Only Overtightening may permanently damage product threads Hand tighten only! 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. Signet 2760 DryLoc pH/ORP Preamplifier...

  • Page 3: Dimensions

    4. Turn the locking ring ¼-turn counter-clockwise to lock the preamplifier in place. The mechanism will “click” when it is locked. When the 2760 Preamplifier is fully assembled with one of the threaded electrodes (276X and 277X models) it will stand approximately 178mm (7 in.) from the process threads to the top of the preamplifier. Signet 2760 DryLoc pH/ORP Preamplifier...

  • Page 4: In-Line Assembly And Installation

    Attach the 3-2760-11 or -21 Preamplifier to the DryLoc fitting at the top of the electrode. 4. Connect the 2760 Preamplifier to the instrument. • The 2760 Preamplifier signal can be routed to any 5700 or 8750 pH/ORP instrument (see Pg. 5). Lubricate O-rings RELAY 1 Lubricate O-rings Signet 2760 DryLoc pH/ORP Preamplifier...

  • Page 5: Submersible Sensor Assembly And Installation

    (3 to 4 in.) (3 to 4 in.) (3 to 4 in.) of sealant of sealant of sealant Fill with Fill with 75-100 mm 75-100 mm (3 to 4 in.) (3 to 4 in.) of sealant of sealant Signet 2760 DryLoc pH/ORP Preamplifier...

  • Page 6: Wiring To Signet Instruments

    ProcessPro pH/ORP Transmitter 3-8750-3 3-8750-2 3-8750-1 White (Temp) Green (Temp) 3-2760-1 Blue (Iso. Gnd) 3-2760-2 Brown (mV input) Shield 3-2760-11 Black (V-) 3-2760-21 Red (V+) Connect this terminal to Earth GND to reduce electrical interference. Signet 2760 DryLoc pH/ORP Preamplifier...
  • Page 7 Black V- Black wire ProcessPro pH/ORP Transmitter 3-8750-3 3-8750-2 3-8750-1 White (Temp) Green (Temp) Blue (Iso. Gnd) Brown (mV input) Shield Black (V-) Red (V+) Connect this terminal to Earth GND to reduce electrical inte Signet 2760 DryLoc pH/ORP Preamplifier...

  • Page 8: Ordering Information

    For Worldwide Sales and Service, visit our website: www.gfsignet.com • Or call (in the U.S.): (800) 854-4090 For the most up-to date information, please refer to our website at www.gfsignet.com 3-2760.090 Rev. 9 01/18 English © Georg Fischer Signet LLC 2018 Signet 2760 DryLoc pH/ORP Preamplifier...

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