Dissolved Oxygen Transmitter, Analyzer and Controller |
| DOTX441 |
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Dissolved Oxygen Transmitter, Analyzer and Controller
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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 IP-68 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 (½") 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 (½") (2 x)
Assembly: 51 mm (2") tube or flat surface
Identification: SS tag
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 mg O2/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
Cell
Type: Immersion
Body material: polypropylene (PP) or 316 SS
Maximum Temperature: (@ 1 ATM) 50°C (122°F)
Body Length: 1.5 m (59"), standard
Auto Cleaning System: Activated by a solenoid valve
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† All dollar amounts on this site are shown in US currency.
Note: Comes complete with 304 SS clamps with nuts and bolts for mounting, and operator’s manual. Sensor sold separately.
Ordering Example: (1) DOTX441 Dissolved oxygen analyzer, transmitter and controller, $1095, plus (1) DOE-441 Dissolved oxygen sensor in a polypropylene body, $1430, $1095 + 1430 = $2,525.00
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