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Combination Style Industrial pH Electrodes
Industrial Electrodes
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- 16 Month Shelf Life
- Rugged Contruction
- Insertion/Submersion and In-Line Disposable Electrodes
ORE-5311-10 Model Options
View all modelsEdit these specs to order a different model. Not all combinations are valid. Options compatible with previous selections will be in bold.
*Highlighted options are not compatible. Please select a different combination.
Measurement Type
Range
Wetted Materials
Max Temperature
Features
Process Connection Type
Process Connection Size
Insertion/Submersion Combination Electrodes
The PHE-7151 series combination electrodes are ruggedly constructed; the outer body is ABS with 3/4" MNPT threads at both ends. The maximum insertion length is 31.75 mm/1.25". Electrodes are annular PTFE liquid junction refillable and include 15 ft of cable with a BNC connector. For applications with temperatures up to 120°C (248°F), units are available in polyphenylene sulfide (PPS).***
These electrodes have a special plunger design allowing them to be mounted at any angle.
** Refill Solution: PHFS-7151-4, 4 oz bottle; PHFS-7151-16, 16 oz bottle
***For polyphenylene sulfide body, add suffix “-PPS” to part number and $50 to price
In-Line Disposable Electrodes
OMEGA™ in-line combination electrodes mount on standard pipe tees for continuous pH or ORP monitoring. The electrode is constructed in a PVDF housing with 1/2" MNPT threading. Probe insertion length is 25 mm (1") and is able to withstand pressure up to 150 psi. Three-meter (10-ft.) cable length and BNC connector are standard. Dimensions: 127 x 25 mm (5 x 10")
CPVC In-Line Disposable pH Electrodes
Also available, the CPVC In-Line Disposable Electrode is ruggedly constructed to withstand up to 100 psi. Probe insertion length is 51 mm (2") with 3/4" diameter. A 3/4" MNPT fitting is standard and is supplied with 3 m (10 ft.) of cable and a BNC connector. Dimensions: 168 x 25 mm (6.6 x 10")
Automatic Temperature Compensation is not required with ORP (Redox) electrodes.
The PHE-7151 series combination electrodes are ruggedly constructed; the outer body is ABS with 3/4" MNPT threads at both ends. The maximum insertion length is 31.75 mm/1.25". Electrodes are annular PTFE liquid junction refillable and include 15 ft of cable with a BNC connector. For applications with temperatures up to 120°C (248°F), units are available in polyphenylene sulfide (PPS).***
These electrodes have a special plunger design allowing them to be mounted at any angle.
| Part No. | Length mm/in | Dia. mm/in | pH Range | Temp. °C | Refill or Gel | R (megohms) at 25°C/77°F | Description |
| PHE-7151-15 | 140/5.5 | 30/1.2 | 0 to 12 | 0 to 80 | Refill | 400 | Refillable general purpose** |
| PHE-7351-15 | 140/5.5 | 30/1.2 | 0 to 12 | 0 to 80 | Gel | 400 | Sealed general purpose |
| PHE-7152-15 | 140/5.5 | 30/1.2 | 0 to 14 | 0 to 80 | Refill | 1000 | Refillable high pH applications** |
| ORE-7151-15 | 140/5.5 | 30/1.2 | — | 0 to 80 | Refill | — | General purpose refillable ORP** |
***For polyphenylene sulfide body, add suffix “-PPS” to part number and $50 to price
In-Line Disposable Electrodes
OMEGA™ in-line combination electrodes mount on standard pipe tees for continuous pH or ORP monitoring. The electrode is constructed in a PVDF housing with 1/2" MNPT threading. Probe insertion length is 25 mm (1") and is able to withstand pressure up to 150 psi. Three-meter (10-ft.) cable length and BNC connector are standard. Dimensions: 127 x 25 mm (5 x 10")
CPVC In-Line Disposable pH Electrodes
Also available, the CPVC In-Line Disposable Electrode is ruggedly constructed to withstand up to 100 psi. Probe insertion length is 51 mm (2") with 3/4" diameter. A 3/4" MNPT fitting is standard and is supplied with 3 m (10 ft.) of cable and a BNC connector. Dimensions: 168 x 25 mm (6.6 x 10")
| Part No. | ph Range | Temperature Range °C/°F | Notes | R Megohms at 25°C/77°F | |
| A | PHE-5311-10 | 0 to 13 | 5 to 100/23 to 212 | General purpose | 50 |
| A | PHE-5312-10 | 0 to 14 | 0 to 100/32 to 212 | High pH | 200 |
| A | PHE-5411-10 | 0 to 13 | 5 to 100/23 to 212 | Double junction | 50 |
| A | PHE-5412-10 | 0 to 14 | 0 to 100/32 to 212 | Double junction high pH | 200 |
| A | ORE-5311-10 | ORP | 5 to 100/23 to 212 | Platinum band | — |
| A | ORE-5411-10 | ORP | 5 to 100/23 to 212 | Platinum band double junction | — |
| A | ORE-5419-10 | ORP | 5 to 100/23 to 212 | Gold disc double junction for cyanide applications | — |
| B | PHE-5316-10 | 0 to 13 | -5 to 80/23 to 176 | Sealed Ag/AgCl | 50 |
Rated 5 out of
5
by
Food manufacturer review from
Easy pH electrode replacement
Easy replacement works great. Just unscrewed the old one and put this one in. Starting working immediately.
Date published: 2022-08-30
Rated 5 out of
5
by
Kim1330 from
Great Product with awesome delivery
Product performs as advertised and was delivered in a timely fashion!
Date published: 2016-09-02
What is the expected service life for a PHE-7351-15-HF? The probe is mounted in a half inch process cooling water line using a T union. There is approximately 2LPM of DI water flowing across the probe face.
Thank you for your question?
pH electrodes are fragile and have a limited life span. The general shelf life of a pH probe is 1 year however how long an electrode will last is determined by how well the probe is maintained and the pH application. The harsher the system, the shorter the lifespan.
Date published: 2019-07-01
Are these compatible with Rosemount 5081 & 3081 transmitters?
Thank you for your inquiry about the pH probes. Omega's pH probes have a standard BCN connector and if the transmitter in question have it as well, then, yes. If not, unfortuanately, they ar enot compatible.
Date published: 2022-01-28
Is this model able to a process with sulfuric acid and caustic soda? What are the connectors of ATC and PH in this model?
Thank you for your inquiry! This probe will be compatible with sulfuric acid and caustic soda. The probe has a BNC connector for the pH portion and lead wires for the ATC.
Date published: 2022-01-27
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