100 ULTRA pH/ORP analog sensor


Simplified measurement in low conductivity applications


With no electrolyte to top-up, the 100 ULTRA reduces the maintenance requirements and costs typically associated with pure water applications.

Overview
Data
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Overview

The 100 ULTRA 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 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

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

Data

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)
Platinum

Reference system

Ag/AgCl with KCl gel electrolyte, double junction plus ion trap

Reference junction
Porous PTFE and Viton O-rings

Connection type
BNC + Molex
Tagged
VarioPin

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
  • 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

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