Signet 3-3719-22 PH-ORP Electrode & Sensors

Signet 3-3719-XX Paddlewheel PH-ORP Electrode & Sensors

3-3719-XX pH-ORP Wet-Tap

Item#: 159000807 | Model#: 3-3719-22 | Series#: 3-3719-XX

Price: $109800

Availability: Ships within 2 to 3 weeks
$109800 /ea

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Signet 3719 pH-ORP Wet-Tap

The Signet 3719 pH/ORP Wet-Tap allows installation and removal of pH or ORP electrodes, even under process pressure, without the need for process shutdown during routine electrode maintenance and calibration. Automatic process isolation is achieved during electrode retraction with a double O-ring seal on a unique and compact retraction assembly; no separate valve is required. A patented cam-activated automatic locking mechanism, SafeLoc™, and the short stroke design help to assure operator safety. The wet-tap unit can be mounted at any angle and can be used with the Signet DryLoc® Wet-Tap electrodes.

Fields of Application:
  • Aquatic Animal Life Support Systems
  • Recreational Water Monitoring
  • Water & Wastewater Treatment
  • Effluent Monitoring
  • Neutralization Systems
  • Sanitization Systems
  • Pool and Spa Control
  • Manufactured under ISO 9001 for Quality and ISO 14001 for Environmental Management
  • Electrode removal without process shutdown
  • Space-saving 45 mm (1.75 in.) short-stroke design
  • Sealed pneumatic dampening for smooth and safe operation
  • SafeLoc™: Cam-activated automatic locking mechanism (patent pending)
  • Protects electrode-sensing surface from breakage
  • Suitable for mounting in any orientation
  • Process threaded connection NPT or ISO
3-3719-22 Product Specific Data
Mounting OptionsISO 7/1-R 2 process threads for 6 to 12 in. pipes
Series Data
Compatible DryLoc® Electrodes2756-WT, 2756-WT-1 (glass) , 2756-WTP, 2756-WTP-1 (plastic) , 2757-WT (glass) , 2757-WTP (plastic)
Process Connection 3719-11: NPT 1½ in. , 3719-21: NPT 2 in. , 3719-12: ISO 7/1 - R 1.5 , 3719-22: ISO 7/1 - R 2 Maximum Flow Velocity: 3
Retraction Housing (Wetted)CPVC
O-rings (Wetted)FPM
Locking Shroud PVC
Hardware316 stainless steel
Saddle body (Wetted) Polypropylene (Grade 8, ASTM D2565, 1-8, UV stabilized)
Gasket (Wetted)FPM
Saddle Hardware316 stainless steel
Reinforcement Ring430 stainless steel
Size range2½ to 12 in. (ASTM)
Operating Pressure100 psi (6.9 bar) maximum
Operating TemperatureSee Temperature/Pressure graphs for more information
Shipping Weight1.2 kg / 2.7 lb
Product Dimensions
Weight2.64 lb
Width180.00 mm, 7.09 in
Height170.00 mm, 6.69 in
Length280.00 mm, 11.02 in
Document TitleDownload
DatasheetsClick Here to Download
Instruction ManualsClick Here to Download
IDShort DetailsPrice 
1220-0114Replacement o-ring, for 3719, (1) FPM$4.00
3-0700.390pH buffer kit-(1) 4pH, (1) 7pH, (1) 10pH buffer in powder form, makes 50ml of each$7.00
3-2700.395Calibration kit-(3) polypropylene cups, (1) cup stand, (1) 4pH buffer solution, (1) 7pH buffer solution$90.00$80.69
3-3719.390Replacement locking shroud, for 3719$234.00$210.60
3822-70044pH buffer solution, (1) 473ml bottle$27.00
3822-70077pH buffer solution, (1) 473ml bottle$27.00
3822-701010pH buffer solution, (1) 473ml bottle$27.00
3822-7115Quinhydrone for ORP calibration, (1) 20mg bottle, use with 4pH and 7pH buffer solutions$125.00$112.50




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