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Signet 2760 DryLoc
*3-2760.090*
3-2760.090
Rev. 9 01/18
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pH/ORP Preamplifi er
®
Description
The Signet 2760 pH/ORP Preamplifi ers with DryLoc
Signet's growing line of sensors for industrial fl uid measurement and control.
There are two styles of preamplifi 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 amplifi ed mV (analog) signal to Signet instruments.
Table of Contents
Warranty Statement .............................................................................. 2
Product Registration ............................................................................. 2
Safety Information................................................................................. 2
Chemical Compatibility ......................................................................... 2
Specifi 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 Preamplifi er to Others Equipment ......................... 7
Ordering Information ............................................................................. 8
Product Manual
connectors are part of
®
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Table of Contents
Summary of Contents for Nivetec Signet 2760 DryLoc
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Page 1: Table Of Contents
Signet 2760 DryLoc pH/ORP Preamplifi er ® *3-2760.090* 3-2760.090 Rev. 9 01/18 Product Manual Description The Signet 2760 pH/ORP Preamplifi ers with DryLoc connectors are part of ® Signet's growing line of sensors for industrial fl uid measurement and control. -
Page 2: Warranty Statement
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. Signet 2760 DryLoc pH/ORP Preamplifi er... -
Page 3: Dimensions
When the 2760 Preamplifi er 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 preamplifi er. Signet 2760 DryLoc pH/ORP Preamplifi er... -
Page 4: Wet-Tap Assembly And Installation
4. Connect the 2760 Preamplifi er to the instrument. • The 2760 Preamplifi er signal can be routed to any 5700 or 8750 pH/ORP instrument (see Pg. 5). Lubricate O-rings RELA 1 Lubricate O-rings Signet 2760 DryLoc pH/ORP Preamplifi er... -
Page 5: Submersible Sensor Assembly And Installation
½ in. NPT threads Fill with Fill with 75-100 mm 75-100 mm (3 to 4 in.) (3 to 4 in.) of sealant of sealant Fill with 75-100 mm (3 to 4 in.) of sealant Signet 2760 DryLoc pH/ORP Preamplifi er... -
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 Preamplifi er... -
Page 7: Wiring From Dryloc Preamplifi Er To Others Equipment
3-2725-60 (10 KΩ ID, NPT) 3-2725-61 (10 KΩ ID, ISO) 3-2766-1 (3 KΩ RTD) 3-2757-WTP (10 KΩ ID) 3-2775 (10 KΩ ID) 3-2777 (10 KΩ ID) Differential ORP (Redox) Electrodes 3-2765-1 (10 KΩ ID) 3-2767-1 (10 KΩ ID) Signet 2760 DryLoc pH/ORP Preamplifi er... -
Page 8: Ordering Information
Ordering Information Mfr. Part No. Code Description 3-2760-1 159 000 939 Submersible Preamplifi er with ¾ in. NPT threads and 4.6 m (15 ft) cable 3-2760-2 159 000 940 Submersible Preamplifi er with ¾ in. ISO 7/1R threads and 4.6 m (15 ft) cable 3-2760-11 159 001 367 In-line Preamplifi...