Rosemount™ CX1100 In-Situ Oxygen Transmitter

Rosemount™ CX1100 In-Situ Oxygen Transmitter

The Rosemount™ CX1100 In-Situ Oxygen Transmitter provides a continuous, accurate measurement of the oxygen remaining in flue gases coming from a combustion process. Accurate measurements of furnace exhaust excess oxygen are critical for combustion optimization, which result in reduced energy costs, increased safety, and lower emissions. This product is intended for use for combustion applications only. 

The Rosemount CX1100 probe contains a zirconia type oxygen sensor. At high temperatures, zirconia produces an electrical potential that is proportional to the difference in process oxygen concentration and ambient reference air. This voltage is transmitted to the Rosemount CX1100 remote transmitter and output as an analog signal. The sensor is mounted at the end of the probe tube which extends into a flue gas duct or stack. Varying lengths of the probe are available to achieve desired insertion depths. The probe tube also houses a heating element to precisely control the temperature of the sensor, reducing errors induced by varying process temperatures.

System Measurement Specifications

Specification Description

Net O2 range 0 - 23%

Repeatability 0.1% of O2 or 1.0% of reading, whichever is lower

Lowest detectable limit 0.05% O2

Process temperature effect Less than 0.3% O2 from 77 to 1292 °F (25 to 700°C)

System speed of response to calibration gas Initial response in less than 3 seconds, T90 in 10 seconds. Response to process gas changes

will vary depending on process gas velocity and

particulate loading of the diffuser.

Environmental specifications

Table 1-2: Probe

Specification Description

Probe Process wetted materials are 304 stainless steel.

Maximum process temperature 752 °F (400 °C)

Table 1-3: Probe Terminations

Specification Description

Rosemount CX1100 probe ambient temperature limits

-4 to 158 °F (-20 to 70 °C)

Table 1-4: Remote Display

Specification Description

Materials Polycarbonate

Ambient temperature limits -4 to 122 °F (-20 to 50 °C)

Rosemount CX1100 In-Situ Oxygen Transmitter ordering information

Model Product description

CX1100 In-Situ Oxygen Transmitter

Material

A 304L stainless steel

Probe length

050 1.64 ft. (0.5 m) oxygen probe

100 3.28 ft. (1.0 m) oxygen probe

200 6.56 ft. (2.0 m) oxygen probe

Probe mounting flange

F20 ANSI/DIN: 4.75 in. / 5.71 in. bolt circle, 0.75 in. holes

Transmitter

M7 Remote transmitter with LCD display and interface

M0 Probe only (no transmitter)

Product certification

G6 CSA ordinary location

Probe mounting hardware

N1 New installation plate - ANSI pattern

N2 New installation plate - DIN pattern

Transmitter mounting hardware

T3 2-in. pipe / wall mount kit

Calibration accessories

F1 Calibration gas flowmeter