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.
Benefits
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
Specification
| item | value |
| accuracy | ±0.1 pH |
| place of origin | Switzerland |
| warranty | 1 years |
| customized support | OEM |
| brand name | ABB |
| model number | 100 ULTRA APS131 |
| material | PTFE |
| size | 22.2mm |
| Display Type | NO |
| 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 | 3/4 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 |
| Cable |
VarioPin connector IP rating IP67/NEMA 6P VarioPin cable options 1, 3, 5, 10, 15, 30 m (3.3, 9.8, 16.4, 32.8, 49.2, 98.4 ft) BNC or tagged leads options 1, 3, 5, 10 m (3.3, 9.8, 16.4, 32.8 ft) Maximum length Up to 30 m (98.4 ft) VarioPin Up to 10 m (32.8 ft) |
| Wetted materials |
Electrode body PVDF (Kynar) Reference junction system Porous PTFE and Viton™ O-rings Measure system pH: Glass ORP: Platinum |




Worldwide Shipping
We are proud to offer worldwide shipping to meet your needs, no matter where you are located.
How We Ship
We normally ship via DHL, UPS, or FedEx for fast and trackable delivery.
Flexible Shipping Options
Depending on your order size and timeline, we also support Air Freight and Sea Freight options.
Trade Terms
We can arrange shipments under DAP (Delivered at Place) or DDP (Delivered Duty Paid). Just let us know your preference.
Why Choose Us
With years of experience and long-term cooperation with reliable freight forwarders, we ensure competitive rates and smooth customs clearance.