500 PRO pH/ORP analog sensor
High performance industrial sensor for harsh applications
Documentation
Specifications
Overview
Featuring a triple-junction design with ion traps, reference shielding and Viton® Extreme O-ring protection, the 500 PRO provides enhanced poisoning resistance and chemical protection, extending operational lifetime without compromising performance.
The 500 PRO sensor provides:
Increased efficiency
Propriety high performance glassware formulations provide the highest level of reliability and responsiveness
Close-coupled temperature measurement ensures high accuracy even with rapid temperature changes
Dependable performance
Triple junction design with ion-trap and reference shielding provides enhanced poisoning resistance
Unique tertiary cellular junction matrix slows poisoning effects, maximizing sensor lifetime
ATEX/IECEx certified for use in hazardous areas
Robust PVDF ¾ inch NPT body provides superior mechanical and chemical resistance
Each electrode is manufactured to the highest quality standards and provided with a calibration certificate
Modular design
Universal ¾ inch NPT design for simplified mounting
Available in a range of detached or integral cabling options
Data
Measurement range
pH 0 to 14 pH
Redox (ORP) –2000 to 2000 mV
Process temperature
–5 to 105 °C (23 to 221 °F)
Pressure range
0 to 10 bar (145 psi) @ 25 °C (77 °F)
Recommended minimum sample conductivity
50 μS/cm
pH glass
High performance (S) glass (bullet)
High performance (S) glass (flat)
Low temperature (LT) glass (bullet)
High temperature (HT) glass (bullet)
Hydrofluoric acid-resistant (HF) glass (bullet)
Redox (ORP)
Platinum
Reference system
Ag/AgCl with triple junction, KCl gel electrolyte plus ion trap
Reference junction
Porous PTFE and Viton® Extreme O-rings
Connection type
BNC + Molex
Tagged
VarioPin
Process connections
¾ inch NPT
Approvals, certification and safety
ATEX/IECEx
Certificate numbers: IECEx BAS 18.0047X
Bassefa18ATEX0071X
Entity parameters: Ui = 15.0 V
Ii = 20 mA
Ci = 5 NF
Li = 30 uH
CE Mark
Covers EMC+LV directives (including latest version of EN61010)
Regulation 31
Drinking water approval: Complies to DWI Regulation 31(4)(b)
Additional tests: BS6920 parts 2.2 and 2.4 on all wetted parts
EMC
Meets requirements of IEC61326 for an industrial environment
CRN Approval
Maximum allowable working pressure (MAWP): 5.58 bar (81 psi)
Design temperature: -5 ⁰C to + 105 ⁰C (+23 ⁰F to +221 ⁰F)
CRN number 0F22557 Certificate no. Sira MC220375/00
MCERTS
Certificate no. Sira MC220375/00
Benefits
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