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Signet 2760 DryLoc pH/ORP Preampli

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 er

The 2760 DryLoc Preampli

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 er can be used to connect Signet 275X Wet-Tap electrodes to a pH or ORP instrument.

1.  Select the process 

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 tting.

•  Select a low pro

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 le installation saddle (customer-supplied) with a 1½ in. or 2 in. outlet (depending on 3719 model ordered).

•  The 3719 is available with NPT or ISO thread options.

•  The 3719 can also be adapted to 

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 t into tee 

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 ttings. Refer to the 3719 pH Wet-Tap instructions for detailed information.

2.  Install the Wet-Tap and the electrode.

•  Install the 3719 into the 

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 tting, then insert the electrode into the assembly.

3.  Attach the preampli

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 er to the electrode.

•  Attach the 3-2760-11 or -21 Preampli

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 er to the DryLoc 

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 tting at the top of the electrode.

4.  Connect the 2760 Preampli

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 er to the instrument.

•  The 2760 Preampli

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 er signal can be routed to any 5700 or 8750 pH/ORP instrument (see Pg. 5).

2760 Submersible models used as in-line system:

The Submersible 2760 design can also be used in-line when 
using the 2724-2764, 2764-2767 series or the 2774-2777 
series electrodes.

BEFORE YOU START:

 

2764-2767: Install a 1 in. NPT pipe tee in the process line.

 

2774-2777 and 2724-2726: Install a ¾-in. reducing tee in 
the process line. 

DO NOT

 install in a ¾-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 preampli

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 er and place it around the electrode from the bottom as illustrated.

4. 

HAND-TIGHTEN 

the electrode into the installation 

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 tting. 

DO NOT USE TOOLS!

5.  Seat the 2760 DryLoc connector onto the top of the electrode.
6.  Lift the threaded nut up and thread it hand-tight onto the preampli

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 er.

 

When the 2760 Preampli

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 er is fully assembled with one of the threaded electrodes (276X and 277X models) it will stand 

approximately 178 mm (7 in.) from the process threads to the top of the preampli

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 er.

178 mm

(7 in.)

2760 Preamplifier

Electrode

Threaded nut

Lubricate O-ring

2

1

3

4

5

6

•  The 2760 Preampli

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 er signal can be routed to a Signet 5700 ProPoint pH Monitor, or to any model of the 3-8750 pH Transmitter.

•  If the preampli

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 er cable must be extended beyond the standard 4.6m (15 ft) that is supplied with the 2760, use a junction box to 

terminate the wires.

 

Note:

 Do not extend the 2760 cable more than 120 m (400 ft).

In-line Assembly and Installation

Wet-Tap Assembly and Installation

RELA  1 

2 

4 

Lubricate O-rings

Lubricate O-rings

1.

2.

3.

4.

Содержание Signet 2760 DryLoc

Страница 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...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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