Genuine ABB 500 PRO (APS521) pH/ORP sensor with triple-junction design, ion traps, and Viton Extreme O-ring protection for enhanced poisoning resistance and extended operational lifetime, ATEX/IECEx certified for hazardous areas.
Specifications
- Model: 500 PRO / APS521
- Type: pH / ORP analog sensor
- Size: 22.2mm
- Body Material: PVDF, ¾" NPT
- Measurement Range: pH 0 to 14; Redox (ORP) -2000 to 2000 mV
- Process Temperature: -5°C to 105°C
- Pressure Range: 0 to 10 bar (145 psi) @ 25°C
- pH Glass Options: High-performance (S), Low-temperature (LT), High-temperature (HT), Hydrofluoric acid-resistant (HF)
- Reference System: Ag/AgCl with triple junction, KCl gel electrolyte plus ion trap
- Reference Junction: Porous PTFE and Viton Extreme O-rings
- Hazardous Area Certification: ATEX / IECEx
- Connection Type: BNC + Molex, Tagged, or VarioPin
Ordering & Availability
This is a B2B wholesale listing. Contact us to request a formal quote (RFQ) with your required glass type, hazardous area certification, and quantity for a tailored price.
