S E R V O T O U G H DF-140E
RELIABLE RESULTS IN A TESTING
RANGE OF ENVIRONMENTS
The DF-140E allows for reliable oxygen
measurement in a wide variety of environments,
including outdoors and in explosive environments
with a NEMA 7 remote sensor enclosure.
Using the revolutionary non-depleting E-Sensor,
the DF-140E delivers reliable readings without
frequent recalibration and periodic
sensor replacement.
FEATURES AND BENEFITS
Long-term reliability and stability with
minimal maintenance
Durability – can be used in Class I/Division
I or II areas
HAZARDOUS AREA
GAS MEASURES APPLICATION
OXYGEN TRACE PPM PROCESS
CONTROL
STAB-EL option allows for accurate
measurement in the presence of acid gases
QUALITY
G A S D E T E C T I O N OxyDetect
NON-DEPLETING PARAMAGNETIC
O 2 MONITOR DESIGNED FOR LIFE
SAFETY APPLICATIONS
Life safety monitor designed for safe area or
hazardous area environments, utilizing superior
performance of non-depleting Hummingbird
Paramagnetic O 2 sensing technology.
APPLICATIONS
FEATURES AND BENEFITS
IP66 (indoor use only)
SERVOMEX
GAS MEASURES APPLICATION
OXYGEN PERCENT SAFETY
The most reliable O 2 detector on the market
No more false readings or false alarms caused
by depleting cell technologies
Configurable alarm relays and mA output
available as standard
Modbus digital communications
option available
Reactor process control
SIL 2 hardware compliant
Pressure swing absorber nitrogen skids
APPLICATIONS
SENSING TECHNOLOGY
Blanketing and inerting
SENSING TECHNOLOGY
Pharmaceutical plants
Helium production and storage
Semiconductor facilities
Laboratories and universities
S E R V O T O U G H DF-320E
HIGH-RELIABILITY TRACE AND
PERCENT O 2 MEASUREMENTS IN
HAZARDOUS AREA LOCATIONS FEATURES AND BENEFITS
Designed for use in harsh and hazardous
areas, the DF-320E uses Servomex’s unique,
non-depleting Coulometric sensor technology
to give highly stable O 2 measurements, making
it ideal for applications including hydrogen,
propene and polyethylene production, oil
refining and petrochemical process monitoring.
For use in Class I/Division II
Microprocessor-driven for easy configuration
and maintenance
HAZARDOUS AREA
GAS
OXYGEN
Coulometric sensor delivers accurate results with
negligible sensor drift, no false low readings,
and no frequent calibration requirements
MEASURES
ULTRA TRACE
PPB
TRACE PPM
APPLICATION
PROCESS
CONTROL
QUALITY
APPLICATIONS
Hydrogen production
Polypropylene production
S E R V O P R O 4900 Multigas
GAS ANALYZER SUITABLE FOR
FLAMMABLE GAS MIXTURES FEATURES AND BENEFITS
The 4200/4210 multi-gas analyzer is designed
to monitor flammable gas samples including
H 2 /CO, ‘HyCO’ or ‘Syngas’ mixtures for
trace level contaminants and percent level
components. The 4200/4210 offers oxygen
control using Servomex’s unique Paramagnetic
cell, trace level measurement of CO, CO 2 , N 2 O
and CH 4 and percent levels of CO, CO 2 , CH 4
using photometric sensor technology.
SENSING TECHNOLOGY
Polyethylene production
A comprehensive solution for CEMS analysis
of multiple flue gas components
Low maintenance and cost of ownership
SAFE AREA
GAS MEASURES APPLICATION
OXYGEN PERCENT EMISSIONS
Advanced digital communications including
Ethernet (Modbus TCP/IP), Modbus RS485
and PROFIBUS
Automated calibration/validation routines
triggered by internal timer or external triggers
Completely updated icon-driven software
interface for easy set-up and operation
TRACE PPM
SENSING TECHNOLOGY
APPLICATIONS
Oil refining
Utility boilers
Petrochemical applications
Chemical incinerators
Crematoria
Mobile labs
S E R V O T O U G H DF-340E
HIGH-SENSITIVITY TRACE/
PERCENT COULOMETRIC O 2
ANALYZER CERTIFIED FOR
HAZARDOUS AREA USE FEATURES AND BENEFITS
Designed for external locations, the DF-340E
remains stable in changing sample conditions,
and is designed to provide measurements
of trace or percent level oxygen in pure gas
streams and multi-gas backgrounds. It is ideal
for upset-prone applications.
ATEX II and IECEx certified
HAZARDOUS AREA
GAS
Class I/Division II Groups A, B, C and D certified
Suitable for outdoor installation, with NEMA
4-rated sensor enclosure options
Multiple background gas stream monitoring,
with simplified ongoing maintenance
requirements
OXYGEN
MEASURES
APPLICATION
ULTRA TRACE
PPB PROCESS
CONTROL
TRACE PPM QUALITY
APPLICATIONS
Blanketing and inerting
Oil refinery monitoring
Petrochemical process monitoring
P20
A FAST, ACCURATE AND
RESILIENT MOISTURE
MEASUREMENT SOLUTION
The AquaXact 1688 is a rugged ultra-thin film
Aluminum Oxide moisture sensor that enables
the measurement of moisture in a wide variety
of gas phase process applications, such as
glove boxes, air separation units, regenerative
skid dryers, combustion, and instrument air,
with no calibration required after dry-out.
FEATURES AND BENEFITS
Functions as a standalone 4-20 mA transmitter
or remotely interfaces with our digital controller,
MonoExact DF310E and MultiExact 4100
NIST-traceable field-replaceable sensor element
for seamless recalibration
SAFE AREA
GAS MEASURES APPLICATION
WATER DEW POINT PROCESS
CONTROL
PPMV
Stainless steel, weatherproof casing enables
operation in ambient temperatures ranging
from -10°C to +70°C
APPLICATIONS
Pressure swing absorber N 2 skids
Reactor process control
S E R V O P R O AquaXact 1688
SENSING TECHNOLOGY
Glove boxes
Solder reflow ovens
Compressed air generation
SENSING TECHNOLOGY
ALUMINUM OXIDE
Ethylene production
P21