Epoxy Body Bulb Electrode – FLS pH/ORP 200
The FLS line of pH and ORP electrodes offers a cost-effective, multi-purpose solution for in-line or submersion measurements across a wide range of applications. Available in single and double junction versions, these electrodes can be supplied with or without quick-disconnect top caps. For automatic temperature compensation (ATC), a pH model with an integrated temperature sensor is also available.
Constructed with durable epoxy bodies, these electrodes deliver excellent chemical resistance, making them suitable for varied applications. Installation is simple—economic in-line mounting can be achieved with a reusable gland, while submersion mounting requires only a ½” or ¾” coupler with pipe extension. A special version is also designed for direct installation on FLS T-fittings or FLS clamp saddles with just the addition of a nut.
Epoxy Body Bulb Electrode – FLS pH/ORP 200
Key Features Of Epoxy Body Bulb Electrode – FLS pH/ORP 200
The FLS line of pH and ORP electrodes offers a cost-effective, multi-purpose solution for in-line or submersion measurements across a wide range of applications. Available in single and double junction versions, these electrodes can be supplied with or without quick-disconnect top caps. For automatic temperature compensation (ATC), a pH model with an integrated temperature sensor is also available.
Constructed with durable epoxy bodies, these electrodes deliver excellent chemical resistance, making them suitable for varied applications. Installation is simple—economic in-line mounting can be achieved with a reusable gland, while submersion mounting requires only a ½” or ¾” coupler with pipe extension. A special version is also designed for direct installation on FLS T-fittings or FLS clamp saddles with just the addition of a nut.

Technical Details of Epoxy Body Bulb Electrode – FLS pH/ORP 200
Specification | Details |
---|---|
Operating Range | – pH Electrodes: 0 – 14 pH (0 – 12.3 pH without Na+ error) – ORP Electrodes: ± 2000 mV |
Temperature Compensation Device (for TC model) | PT1000 |
Pipe Size Range | DN15 to DN100 (0.5” to 4”) |
Zero Voltage Point New Electrode Performances | 7.00pH ± 0.2pH |
Efficiency New Electrode Performances | > 97% @ 25°C (77°F) |
Response Time New Electrode Performances | – pH: 2 sec for 95% of signal change – ORP: Application dependent |
Reference Electrolyte | Solidified gel 3.5M KCl for single junction versions KCl-KNO3 for double junction versions |
Process Connection | – In-line installation with threaded nipple ½”, ¾” or PG13,5 – FLS installation fittings – Submersible installation |
Max Working Pressure / Working Temperature | – 7 bar (100 psi) @ 25°C (77°F) – 1 bar (14.5 psi) @ 65°C (149°F) |
Wetted Materials | – Body: Epoxy – O-ring Junction: Silicone – Junction: Pellon® – Sensing Surface: Glass membrane (pH), Platinum (ORP) |
O-ring | NBR (PH222 CD, PH223 CD, ORP222 CD, ORP223 CD) |
Manufactured under | ISO 9001, ISO 14001 |
Certifications | CE, EAC |

Model | Body | Junction material/type | Reference solution | Sensing surface | O-ring | Connection | Max working pressure |
---|---|---|---|---|---|---|---|
PH200C | epoxy | nylon/S.J. | 3.5M KCl | glass membrane | - | 5 mt. (16.5 ft.) Cable | 7 bar @ 25°C / 1 bar @ 65°C (100 psi @ 77°F / 14.5 psi @ 149°F) |
PH222CD | epoxy | nylon/D.J. | 3.5M KCl / Sat’d KNO₃ | glass membrane | silicone | Twist-Lock (BNC) | same as above |
PH223CD | epoxy | nylon/D.J. | 3.5M KCl / Sat’d KNO₃ | glass membrane | silicone | Twist-Lock (BNC) | Same as above |
ORP200C | epoxy | nylon/S.J. | 3.5M KCl | platinum | - | 5 mt. (16.5 ft.) Cable | same as above |
ORP222CD | epoxy | nylon/D.J. | 3.5M KCl / Sat’d KNO₃ | platinum | silicone | Twist-Lock (BNC) | same as above |
ORP223CD | epoxy | nylon/D.J. | 3.5M KCl / Sat’d KNO₃ | platinum | silicone | Twist-Lock (BNC) | same as above |
PH222CDTC | epoxy | nylon/D.J | 3.5M KCl / Sat’d KNO₃ | glass membrane | - | 5 mt. (16.5 ft.) Cable | same as above |
A → PH200C, PH222CDTC, ORP200C
B → PH222CD, ORP222CD
C → PH223CD, ORP223CD
1 → Cable: 5 mt (6.5 ft.)
2 → Epoxy body
3 → pH glass bulb
4 → BNC connector
5 → Buna-N O-rings
6 → FPM O-rings
Epoxy Body Bulb Electrode – FLS pH/ORP 200
Technical Specifications of Epoxy Body Bulb Electrode – FLS pH/ORP 200
- Epoxy body
- Single or double junction technology
- Large gel reference volume
- Easy and quick installation system
- Outline cable or BNC connection
- Version with temperature sensor combined
- Special versions on request
- Low cost fittings

Custom Product Manufacturing Available
If you are searching for customized product designs that meet your requirements, don’t worry. Petron Thermoplast also offers custom product manufacturing services to meet the unique needs of various industries. Work with our expert engineers to create custom designs suited for your application.