Specifications - Emerson Rosemount 3900 Quick Start Manual

Quick Start Guide
4

Specifications

Measurements and
ranges
Percent linearity over pH
range
Materials of construction
Sensor body
O-ring
ORP electrode
Solution ground
Reference junction
Maximum pressure
100 psig (790 kPa) at 212 °F (100 °C)
CRN rating: 60 psig (413.7 kPa) to 212 °F (100 °C)
Operating temperature
14 to 212 °F (-10 to 100 °C)
Automatic temperature compensation: 14 to 212 °F (-10 to 100 °C)
Conductivity
Responds to changes in pH at a minimum conductivity of 0.1 µS/cm when
used with the low flow panel (PN SQP10077-LQD). The sample flow rate
must be controlled to 2 gph (7.6 L/hr).
26
pH: 0 - 14
Oxidation reduction potential (ORP): -1500
mV to +1500 mV
Range
0-7
1-7
4-7
7-10
7-12
7-13
7-14
®
Ryton polyphenylene sulfide (PPS)
EPDM
Glass, platinum
Stainless steel
PFTE
November 2020
Linearity
97%
98%
98%
99%
97%
96%
95%
Emerson.com/Rosemount