Omega Products DOTX441 User Manual
Dissolved Oxygen Transmitter, Analyzer and Controller
DOTX441
$
2525
Complete System
⻬ Analyzer/Transmitter/Controller
⻬ NEMA 7X (IP68)
⻬ Galvanic Cell for PPB
⻬ Self-Guided Menu
⻬ Automatic Calibration and Check
⻬ ON/OFF/PWM Control
⻬ Programmable Transmitter Output
⻬ RS485 Output, in MODBUS
®
The DOTX441 dissolved oxygen analyzer is
supplied in a compact cast aluminum case. SAE 323,
with low oxidation grade, anticorrosion treatment and
finished with electrostatic epoxy paint. The DOTX441 is
compact, light weight, rugged and IP68 rated. The units include
local display, transmitter output and controller function all
programmed via a 3-button side panel with an easy self guided
menu. The DOTX441 can be mounted on a 51 mm (2") tube or flat
surface. Electrical connections are on the terminal bar located in
the back housing of the instrument with cable entrance through
two cable compression fittings of 13 mm (1⁄2") BSP. Common
applications include food and drink, pulp and paper, chemical,
sanitation, water and wastewater treatments.
Specifications
Case Cast: Aluminum SAE 323
Finishing: Electrostatic epoxy paint
Electrical Connection Connector Bar: Conexell type
Cable Inlet Cable Knockout: 13 mm (
1
⁄2") (2 x)
Assembly: 51 mm (2") tube or flat surface
Enclosure: NEMA 7X (IP68)
Power Consumption: 3.5 VA
Weight: 1.9 kg (4.3 lb)
Electrical Power: 90 to 240 Vac (50/60 Hz)
Working Temperature: 5 to 40°C (41 to 104°F)
Relative Humidity: 20 to 80%
Analyzer/Transmitter
Display Alphanumeric: 2 lines x 16 characters
Range: 0 to 60 mgO
2
/L
Resolution: 0.1 or 0.01
Relative Precision: 0.02% (full scale)
Working Temperature: 50°C (122°F)
Auto Temperature Compensation: 50°C (122°F)
Measuring Principle: Clark
polarographic cell
Response Time: 20 s
(programmable)
Barometric Pressure Compensation:
Up to 10.000 m
Signal Output Analogic: 4 to 20 mA
with programmable output range for all
reading range
Galvanic Isolation: 2000 Vac
(by opto coupler)
Line Resistance: 1 kΩ
Controller
Actuation Type Frequency: Modulation, P+D
Set-Points: 2 independent from 0 to 100% of
scale
Outputs: 2 control ON/OFF, programmable for alarm
or actuation P+D
Control for Automatic Cleaning: Timer ON/OFF, for periods up
to 99 seconds, and in intervals up to 99 hours
Type Immersion: Body material polypropylene (PP) or 316 SS
(others upon request)
Maximum Temperature: 50°C (122°F) @ 1 ATM
Body Length: 1.5 m (59") (standard)
Auto Cleaning System: Activated by a solenoid valve
DOTX441, $1095,
shown smaller
than actual size.
AVAILABLE FOR FAST DELIVERY!
To Order
(Specify Model Number)
Model No. Price Description
DOTX441 $1095 Dissolved oxygen analyzer, transmitter and controller (cell sold separately)
DOE-441 1430 Dissolved oxygen cell in a polypropylene body
DOE-441-S 2070 Dissolved oxygen cell in a stainless steel body
DOE-441-R 200 Replacement dissolved oxygen sensor for DOE-441 cell
DOM-441 68 Replacement cell maintenance kit
DOA-21RS 25 Sensor refill solution
ES-1047 90 Reference Handbook: Environmental Science and General Engineering
Comes complete with 304 SS clamps with nuts and bolts for mounting and operator’s manual. Cell sold separately.
Ordering Example: DOTX441, dissolved oxygen analyzer, transmitter and controller and DOE-441, dissolved oxygen cell in a polypropylene body,
$1095 + 1430 = $2525.
Stainless
steel
clamps,
nuts and
bolts are
included.
Order Online
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To download information and to order Dissolved Oxygen
Instrumentation products online, visit omega.com
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