Omega PHE/ORE Series manual Technical Data

OMEGA PHE/ORE Series pH/ORP Electrode Instructions

SAFETY INSTRUCTIONS

1.Depressurize and vent system prior to installation or removal.

2.Confirm chemical compatibility before use.

3. Do not exceed maximum temperature/pressure specifications.

4.Wear safety goggles or faceshield during installation/service.

5.Do not alter product construction.

6.When using chemicals or solvents care should be taken and appropriate eye, face, hand, body, and/or respiratory protection should be used.

1. Technical Data

1.1 General
Compatibility:	OMEGA PH-2720-PA Twist-Lock Preamplifier

Pipe Size Range:

•1/2 in. and up.

•Use OMEGA installation fittings to 4 in.

•Use pipe adapter in pipes over 4 in.

•Submersion with PH-2720-PA pre-amplifier requires 3/4 in. NPT or ISO 7-R 3/4 in. male threaded extensions

Efficiency:	>97% @ 25°C (77° F)
Wetted Materials:	CPVC Body
	Glass
	FPM O-rings
	Porous UHMW Polyethylene reference
	junctions
	ORP: Platinum sensing surface
Primary Functions:	PHE-3271, ORE-2715: Flat surface
	resists fouling
	PHE-2716, ORE-2717: Bulb surface for
	general use
	PHE-3271-HF: Extended use in
	applications with trace hydrofluoric acid
	(<2%)
	PHE-2716-DI: Extended use in pure
	waters (<100 ∝S)
Secondary Junction:	Nylon Filament
Element:	Ag/AgCl
Shipping Weight:	0.2 kg (0.4 lb)
1.2 PHE-3271 and PHE-2716 pH Electrodes
Operating Range:	0 to 14 pH (PHE-3271-HF: 0 to 12 pH)
Reference:	Electrolyte: Solidified Acrylamide Gel
	3.5M KCI (PHE-3271, PHE-3271-HF,
	PHE-2716)
	0.1 M KCl (PHE-2716-DI)
Temperature Sensor:	3KΩ Balco (3000Ω = 25°C)
ResponseTime:	<5 s for 95% of signal change
Response Time, τ:	140 s (PHE-3271), 196 s (PHE-2716)
1.3 ORE-2715/ORE-2717 ORP Electrodes
Operating Range:	-999 to +999 mV
Reference:	Electrolyte: Solidified Acrlyamide Gel
	3.5M KCL
Response Time:	Application dependent

BAR PSI
7	100
5	75	PHE-3271			PHE-3271-HF
3	50
2	25
	0 10		25	50	75	°C
	32 50		77	122	167	°F
1.4 Temperature and pressure specifications
ORP electrode operating Temperature/Pressure
• 6.89 bar @ 0°C to 65ºC (100 psi @ 32° to 149° F)
• 4.00 bar @ 66ºC to 85°C (58 psi @150° to 185°F)
PHE-2716 and PHE-2716-DI pH electrode operating Temperature/
Pressure
• 6.89 bar @ 0°C to 65ºC (100 psi @ 32° to 149° F)
• 4.00 bar @ 66ºC to 85°C (58 psi @150° to 185°F)
PHE-3271 pH electrode operating Temperature/Pressure
• 6.89 bar @ 10°C to 65ºC (100 psi @ 50° to 149° F)
• 4.00 bar @ 66ºC to 85°C (58 psi @150° to 185°F)
PHE-3271-HF pH electrode operating Temperature/Pressure
• 6.89 bar @ 0°C to 50ºC (100 psi @ 32° to 122° F)
Storage Temperature: > -12°C (11° F)
1.5 Dimensions
	1.0 in.				1.0 in.
	(27 mm)				(27 mm)
1.2 in.					1.2 in.
(30.5 mm)				(30.5 mm)
			3.8 in.			4.1 in.
			(97 mm)			(104 mm)
2.6 in.					2.6 in.
(65 mm)		3.4 in.		(65 mm)		3.4 in.
		(86 mm)				(86 mm)
	0.9 in.
	(23 mm)				0.9 in.
					(23 mm)
Flat electrode					Bulb electrode

OMEGA PHE/ORE Series pH/ORP Electrode Instructions page 3