Omega Products PHE-1478 User Manual

C-13
U.S.A. and Canada
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pH ELECTRODES
pH Electrodes
OMEGA’s glass-bodied, refillable (RF), combination pH electrodes are for general purpose laboratory measurements. The inert nature of the glass body allows these electrodes to be used in aqueous and non-aqueous solutions at temperatures up to 110°C (230°F).
The PHE-1479 has a ceramic liquid junction and a saturated potassium chloride electrolyte. This electrolyte is a laboratory standard and is suitable for most measurements.The ceramic junction has a low flat rate which minimizes sample contamination from the potassium chloride solution.
The PHE-1478 has a Porous Teflon®liquid junction and a saturated potassium chloride electrolyte. The Porous Teflon®liquid junction provides a stable, non-fouling reference contact ideal for the most demanding applications.This research grade electrode should be used when the sample has a very low or very high ionic strength, where greases or oils are present, or in biological solutions containing TRIS or large amounts of protein.
To Order
(Specify Model Number)
Model No. Price Description
PHE-1478 $60 Teflon®liquid junction PHE-1479 65 Ceramic liquid junction ES-2207 99 Reference Book: Handbook of Water and
Wastewater Treatment Technologies
Comes with complete operator’s manual.
Note: 1 m (3') of cable length is standard, for add’l length consult engineering. Ordering Example: PHE-1478, Teflon®liquid junction electrode, $60.
Specialty pH Electrodes
These specialty electrodes are designed for surface and subsurface measurements of semi-soft materials. The typical applications include meats, cheese, dairy products, photographic emulsions and electrophoresis gels.
The PHE-1525 Flat style is a refillable combination pH electrode with a polymer body, Porous Teflon
®
liquid and a flat pH glass membrane. It can be used to measure the pH of any moist surface or inverted and used as a “one-drop” electrode. Samples as small as 100 microliters are easily measured with this inverted technique.
The PHE-1526 Spear-Point is a refillable combination pH electrode with a 9.5 mm (0.37") glass body, Porous Teflon
®
liquid junction and pointed pH glass bulb. It is designed for sub-surface measurements of cheese, processed meats and other soft materials. These electrodes respond quickly and are easily cleaned.
SPECIFICATIONS
pH Range: 0 to 14 pH Temperature Range: -5 to 100°C
(23 to 212°F)
Accuracy: ±0.02 pH Response Time: 95% of reading
within 5 seconds
Impedance: 60 Mat 25°C Zero Potential: 7.0 ± 0.2 pH Dimensions (L x D):
Flat:140 x 12 mm (5.5 x 0.47") Spear-Point: 150 x 9.5 mm (5.9 x 0.37")
SPECIFICATIONS
pH Range: 0 to 14 pH Temperature Range: -5 to 100°C (23 to 212°F) Accuracy: ±0.02 pH Response Time: 95% of reading within 5 seconds Impedance: 60 Mat 25°C Zero Potential: 7.0 ± 0.2 pH Dimensions (L x D): 140 x 12 mm (5.5 x 0.47")
To Order
(Specify Model Number)
Model No. Price Description
PHE-1525 $70 Flat surface pH electrode PHE-1526 90 Spear-Point pH electrode
Comes with complete operator’s manual. Note: 1 m (3') of cable length is standard; for add’l length consult engineering.
Ordering Example: PHE-1525, flat surface pH electrode, $70.
PHE-1479, $65, shown smaller than actual size.
PHE-1526, $90, shown smaller than actual size.
MOST POPULAR MODELS HIGHLIGHTED!
Suffix Description Price
-D Double junction $50
-HF HF fluoride resistant body 50
-HT High temperature reference 30
-HPH High pH glass 30
-ORP Redox (ORP) measurement 35
Options available on PHE-1478, PHE-1479, PHE-1525, PHE-1526, PHE-1523 and PHE-1524 electrodes.
Note: 1 m (3') of cable length is supplied standard;
for add’l length, consult Engineering.
Options for Combination Electrodes
PHE-1478
$
60
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Laboratory Electrodes
To Order
(Specify Model Number)
Model No. Price Description PHE-3216 $60 Single junction pH junction PHE-3216D 80 Double junction pH junction
Comes with complete operator’s manual.
Ordering Example: PHE-3216, single junction pH electrode, $60.
Laboratory Insertable Electrodes
Lab insertables are designed for pH measurement inside narrow vessels. Small volumes in test tubes or solutions in large Erienmeyer casks can be conveniently measured using one of these responsive electrodes. The PHE-1523 is a glass-bodied, refillable, combination pH electrode. The 5.0" insertion length allows measurement in test tubes or other narrow vessels. This electrode features full span, fast response pH glass and high flow Porous Teflon®reference junction; making it a must for any laboratory.
SPECIFICATIONS
pH Range: 0 to 14 pH Temperature Range:
-5 to 100°C (23 to 212°F) Accuracy: ±0.02 pH with proper
calibration Sodium Error: 0.05 pH in 0.1
Molar Na• ion at 12.8 pH Response Time: 95% in 10
seconds, stable in 30 seconds
Impedance: 60 Mat 25°C Zero Potential: 7.0 ± 0.2 pH Dimensions (L x D): Micro:
190 x 12 mm (7.5 x 0.47")
SPECIFICATIONS
pH Range: 0 to 14 pH Temperature Range: -5 to 100°C (23 to 212°F) Response Time: Stable in 30 seconds Resistance: Less than 1000 Liquid Junction: Porous Teflon
®
Electrolytes:
Saturated Potassium Chloride-Silver
Screening Electrolyte: 8 Molar Potassium Nitrate Dimensions (L x D): 140 x 12 mm (5.5 x 0.47")
To Order
(Specify Model Number)
Model No. Price Description PHE-1523 $75 Glass body pH electrode PHE-1524 70 Polymer body pH electrode
Comes with complete operator’s manual.
Ordering Example: PHE-1523, glass body pH electrode, $75.
Laboratory Reference Electrodes
The PHE-1524 is a sealed, polymer-bodied, 254 mm (10") long combination pH electrode. The length allows measurements to be made in large, deep flasks or bottles. This sensor has our full span pH glass and a gel-filled Silver Chloride reference using the trouble-free Porous Teflon®liquid junction.
PHE-3216, $60, shown smaller than actual size.
PHE-1524, $70, shown smaller than actual size.
PHE-3216D, $80, shown smaller than actual size.
MOST POPULAR MODELS HIGHLIGHTED!
Laboratory procedures require the use of a separate reference electrode. Several standard methods and techniques for pH measurement and most ion selective electrodes require the use of a “double junction” reference electrode. The PHE-3216 is an ideal choice for this application. These gel-filled electrodes feature a replaceable Porous Teflon
®
liquid junction in a polymer body. They are supplied ready to use with a saturated Potassium Chloride-Silver reference cell. The double junction version uses Potassium Nitrate as the screening electrolyte although it can be easily replaced with the electrolyte of your choice. The large surface are liquid junction provides a stable, low impedance contact to the solution assuring fast and accurate measurements. The chemically inert nature of Teflon
®
makes the sensor difficult to foul and easy to clean.
Model No. Price Description ES-2186 $125 Reference
Book: Environmental Monitoring Handbook
Accessory
PHE-3216
$
60
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