100 ULTRA-D pH/ORP digital sensor




With no electrolyte to top-up, the 100 ULTRA with EZLinkTM technology reduces the maintenance requirements and costs typically associated with pure water applications.The 100 ULTRA-D features a high-volume internal chamber containing a super-saturated electrolyte matrix with a large porous PTFE junction that provides added measurement stability with minimal drift for long-term measurement down to 2 μS/cm.

The 100 ULTRA-D sensor provides:

EZLink™ connectivity

Plug-and-play technology makes sensor integration fast and easy
Advanced diagnostics offering end-of-life indication and fault analysis
Improved measurement accuracy with digital communication
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
Maintenance-free and reliable

Saturated KCl matrix offers extended operation in high-purity applications with minimal drift
Large, porous PTFE junction reduces plugging and fouling effects while providing measurement stability
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 Measurement range
pH 0 to 14 pH
Redox (ORP) –2000 to 2000 mV

Process temperature
–5 to 100 °C (23 to 212 °F)

Pressure range
0 to 6 bar (90 psi) @ 25 °C (77 °F)

Recommended minimum sample conductivity
2 μS/cm

pH glass
High performance (S) glass (bullet)
High performance (S) glass (flat)
Low temperature (LT) glass

Redox (ORP)
Reference system
Ag/AgCl with KCl gel electrolyte, double junction plus ion trap

Reference junction
Porous PTFE and Viton O-rings

Connection type

Process connections
¾ inch NPT

Approvals, certification and safety

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
Meets requirements of IEC61326 for an industrial environment