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8.  Ordering Information

Mfr. Part No. 

 

Code   

 

Description

3-3719-11 

 

159 000 804 

 

pH/ORP Wet-Tap, 1

1

/

2

 in. NPT

3-3719-21 

 

159 000 805 

 

pH/ORP Wet-Tap, 2 in. NPT

3-3719-12 

 

159 000 806 

 

pH/ORP Wet-Tap, ISO 7/1-R 1.5

3-3719-22 

 

159 000 807 

 

Wet-Tap Assembly, ISO 7/1-R 2

Parts and accessories

3-2716-WT 

 

159 000 809 

 

Electrode, pH, twist-lock, bulb, 3KΩ, wet-tap

3-2717-WT 

 

159 000 811 

 

Electrode, ORP, twist-lock, bulb, 10KΩ ID, wet-tap

3-2720   

 

198 864 602 

 

Twist-Lock Preamplifier, 

1

/

4

 in. NPT

3-2720-2 

 

198 864 603 

 

Twist-Lock Preamplifier, ISO 7/1-R 3/4

3-2756-WT 

 

159 000 834 

 

Electrode, pH, DryLoc, bulb, PT1000, wet-tap

3-2756-WT-1 

 

159 001 383 

 

Electrode, pH, DryLoc, bulb, 3KΩ, wet-tap 

3-2756-WTP 

 

159 001 390 

 

Electrode, pH, DryLoc, plastic bulb, PT1000, wet-tap 

3-2756-WTP-1   

159 001 384 

 

Electrode, pH, DryLoc, plastic bulb, 3KΩ, wet-tap

3-2757-WT 

 

159 000 835 

 

Electrode, ORP, DryLoc, bulb, 10KΩ ID, wet-tap

3-2757-WTP 

 

159 001 391 

 

Electrode, ORP, DryLoc, plastic bulb, 10KΩ ID, wet-tap

 

 

  

3-2750-1 

 

159 000 744 

 

In-line DryLoc pH/ORP Sensor with J-Box

3-2750-2 

 

159 000 745 

 

In-line DryLoc pH/ORP Sensor with J-Box and EasyCal

3-2760-11 

 

159 001 367 

 

In-line Preamplifier with ¾ in. NPT threads and 4.6 m (15 ft.) cable

3-2760-21 

 

159 001 368 

 

In-line Preamplifier with ¾ in. ISO threads and 4.6 m (15 ft.) cable

3-2760-31 

 

159 001 369 

 

In-line Connector with 4.6 m (15 ft.) cable and ¾ in. NPT threads

3-2760-41 

 

159 001 370 

 

In-line Connector with 4.6 m (15 ft.) cable and ISO 7/1R ¾ threads

2007-0225 

 

159 000 812 

 

PP Clamp-on Saddle, 2.5 in. x 1

1

/

2

 in. (ASTM, NPT)

2007-0230 

 

159 000 813 

 

PP Clamp-on Saddle, 3 in. x 1

1

/

2

 in. (ASTM, NPT

2007-0240 

 

159 000 814 

 

PP Clamp-on Saddle, 4 in. x 1

1

/

2

 in. (ASTM, NPT)

2007-0260 

 

159 000 815 

 

PP Clamp-on Saddle, 6 in. x 2 in. (ASTM, NPT)

2007-0280 

 

159 000 816 

 

PP Clamp-on Saddle, 8 in. x 2 in. (ASTM, NPT)

2007-0210 

 

159 000 817 

 

PP Clamp-on Saddle, 10 in. x 2 in. (ASTM, NPT)

2007-0212 

 

159 000 818 

 

PP Clamp-on Saddle, 12 in. x 2 in. (ASTM, NPT)

3-3719.390 

 

159 000 855 

 

3719 Locking Shroud

1220-0114 

 

159 000 854 

 

3719 O-ring, FPM, Piston Tip

Georg Fischer Signet LLC, 3401 Aerojet Avenue, El Monte, CA  91731-2882  U.S.A.  •  Tel. (626) 571-2770  •  Fax (626) 573-2057

For Worldwide Sales and Service, visit our website:  www.gfsignet.com  •  Or call (in the U.S.):  (800) 854-4090

3-3719.090    Rev H  09/07     English 

 © George Fischer Signet, Inc. 2002 

Printed in U.S.A. on recycled paper

3-2716-WT pH electrode

3-2717-WT ORP electrode

3-2756-WT Dry-Loc pH electrode

3-2756-WT-1 Dry-Loc pH electrode

3-2756-WTP Dry-Loc pH electrode

3-2756-WTP-1 Dry-Loc pH electrode

3-2757-WT Dry-Loc pH electrode

3-2757-WTP Dry-Loc ORP electrode

1220-0114

O-rings

3-3719.390

Locking shroud

Содержание 3719

Страница 1: ...trode 2757 WT DryLoc ORP Electrode 2757 WTP DryLoc plastic ORP electrode Shipping Weight Wet tap assembly 1 2 kg 2 7 lbs Electrode 0 13 kg 0 3 lb Process Connection 3 3719 11 1 in NPT 3 3719 21 2 in NPT 3 3719 12 ISO 7 1 R1 3 3719 22 ISO 7 1 R2 Performance Maximum Flow Velocity 10 ft s Efficiency 97 25 C 77 F Response Time pH 5s for 95 of signal change ORP Application dependent Drift 2 mV per week...

Страница 2: ...in 8 46 in 1 50 in 2007 0280 Saddle 8 in x 2 in 8 625 in 11 3 in 5 71 in 11 3 in 1 50 in 2007 0210 Saddle 10 in x 2 in 10 75 in 12 5 in 7 04 in 13 25 in 1 25 in 2007 0212 Saddle 12 in x 2 in 12 75 in 16 0 in 9 68 in 14 00 in 1 20 in 3 Dimensions 3719 1 Wet tap 11 2 in outlet for 21 2 to 4 in saddles 3719 2 Wet tap 2 in outlet for 6 to 12 in saddles CAUTION When using these clamp on saddle fittings...

Страница 3: ... pH ORP Transmitter 10 20 pH 25 0C ENTER a 3719 pH ORP Wet Tap b Low Profile PP Clamp on Saddle Fitting ASTM sizes 2 to 12 in c DryLoc pH or ORP Electrode 6 versions available see ordering infomation on page 8 DryLoc refers to the electrode connector style d 2750 or 2760 DryLoc pH ORP Preamplifier Sensor electronics e Output signal options S3 L 4 to 20 mA All of these components items a to d are s...

Страница 4: ...of the 3719 system is strongly recommended Choose the 3719 version 11 or 21 appropriate to the size of the branch connection of the required fitting Use 11 for sizes 2 5 to 4 in and 21 for sizes 6 to 12 in 5 3 Installation in Pipe Sizes less than 2 5 Inches It is possible to install the 3719 into pipe sizes below 2 5 inches by creating a flow cell with standard piping components One simple solutio...

Страница 5: ...electrode installed the pipe contents are exposed Electrode Piston 5 5 Electrode Installation 1 Remove the safety plug from top of electrode piston Slide electrode straight down into electrode piston Thread electrode into place until connector shoulder is flush with top of electrode piston Hand tighten only 2 Place the Locking Shroud over electrode turn turn clockwise to unlock the piston then pre...

Страница 6: ...e or sand the glass electrode surface Treat glass electrode surfaces with appropriate care to avoid breakage 6 Electrode Maintenance and Cleaning 5 6 Electrode removal The electrode in any pH or ORP system requires periodic service calibration or replacement When removing the electrode from the wet tap assembly it is very important to exercise caution and follow the instructions carefully 1 Remove...

Страница 7: ... the pH electrode offset The mV offset will track across the entire pH range The slope is usually not affected by offset changes i e pH 7 10 mV pH 4 187 mV slope 59 mV pH Electrode Offset pH 7 buffer 25 C Theoretical pH 7 0 0 0 mV New electrode pH 7 0 25 pH 15 mV Reliable pH 7 0 85 pH 50 mV Electrode offsets greater than 0 85 pH 50 mV indicate the electrode requires cleaning or replacement See Mai...

Страница 8: ... In line Preamplifier with in ISO threads and 4 6 m 15 ft cable 3 2760 31 159 001 369 In line Connector with 4 6 m 15 ft cable and in NPT threads 3 2760 41 159 001 370 In line Connector with 4 6 m 15 ft cable and ISO 7 1R threads 2007 0225 159 000 812 PP Clamp on Saddle 2 5 in x 11 2 in ASTM NPT 2007 0230 159 000 813 PP Clamp on Saddle 3 in x 11 2 in ASTM NPT 2007 0240 159 000 814 PP Clamp on Sadd...

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