Signet pH and ORP Sensors

2714/2716 pH Electrodes --

• Submersible & in-line mounting capability 
• Integrated temperature sensor 
• Adapts with Signet 2720 Pre-amplifier 
• Fits pipes from 0.5 to 4" 
• Double-junction combination electrode 
• Construction Materials: CPVC with Viton^® O-rings 
• Junction Type: Annular double junction porous HDPE 
• Response Time: 10 seconds for 98% of pH step change @ constant temp./pressure 
• Temperature Range: 32 to 185°F (0 to 85°C) 
• Temp. Compensation: Automatic from 32-212°F (0-100°C) 

2715/2717 ORP Electrodes --

• Submersible and in-line mounting capability 
• Double-junction combination electrode 
• Junction Material: porous HDPE 
• Adapts with Signet 2720 pre-amplifier 
• Construction Materials: CPVC with Viton O-rings 
• Junction Electrolyte: (front) KNO3 (rear) 4M KCI 
• Electrode: Platinum Rod 
• Reference Electrode: Ag/AgCI 

2720 Pre-amplifier --

• Compatible with lntelek-Pro™ controllers and Compak transmitters 
• Unique mV and TC element connector configuration 
• Submersible or in-line mounting 
• Chemically resistant CPVC housing 
• Features a 15 ft. shielded cable and easy to connect 0.75" FNPT threads 
• CPVC electronics enclosure 
• Operating Temperature: -4-185°F (-20-85°C) 
• Gain: X1 (unity) 
• Input Power: ±4.5 to ±8 VDC Dual Supply 
• Input Impedance: >10" Ohms