BAMOPHAR 451 Bamo Dissolved Oxygen Monitor

BAMOPHAR 451 Bamo Dissolved Oxygen Monitor

BAMOPHAR 451 Bamo Dissolved Oxygen Monitor is extremely versatile by use of various parameters for control and regulation on thresholds, temperature correction, and alarms.

An extension terminal (wall, panel or DIN rail mounting):

  • Allows a second measuring parameter (pH, flow-rate, conductivity, etc.) (Data from this blind unit are displayed on the main unit)
  • Connected to main unit with 4-wire shielded cable (Cable length between both devices: max. 500 m)

BAMOPHAR 451 Bamo Dissolved Oxygen Monitor Features

  • Dissolved oxygen measurement
  • Scales: 0.01 to 50 mg/l or 0 to 500 %
  • 1 Input for AQUAPLUS probe
  • 2 Analogue outputs 0/4-20mA
  • 4 Relay outputs (Thresholds and alarm)
  • OPTION: Extension terminal for 2nd measuring parameter

Application

BAMOPHAR 451 offers a reliable and accurate measurement of dissolved oxygen (DO) concentration in water treatment process:

  • WWTP survey (e.g. aerated basin)
  • Rivers and lakes
  • Fish farming

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BAMOPHAR 451 Bamo Dissolved Oxygen Monitor Specification

End-user interface Color touch screen 4.3”, resolution 480×272 pixels
Display of measurements (D.O. concentration and temperature) and relay status
Configuration – Keyword protected
Measuring scales 0to 500 % or 0.01 to 50 mg/l
Accuracy See details on data-sheet 451-01, AQUAPLUS probe
Sensor signal input Screw terminals – digital signal
Relay outputs 4 contacts N.O., voltage free
Configurable thresholds S1, independent threshold, to set up for measurement or temperature
S2, independent threshold, to set up for measurement or temperature
S3, independent threshold, to set up for measurement or temperature or an external function
S4, threshold, to set up for alarming function, out of range, temperature sensor defect,
or probe cleaning mode
Contact initial resistance 100 mΩ max. (voltage drop 6 V DC 1 A)
Switching power 831VAAC/3A/277VAC
90W/3A/30VDC
Switching capacity (min.) 100 mA, 5 V DC (variable according to switching frequency, environmental conditions, accuracy)
Impulse regulation Cycle time setting from 0 to 9999 s, high and low proportional bandwidths, high and low dead zones
PID Regulation Adjustable proportionality from 0 to 200%, Integrant and Derivative: 0 to 999 s
Calibration routine Relay outputs inhibited; Analogue outputs on standby at latest values
Auto-cleaning menu Settings of frequency and duration, relay outputs inhibited, analogue outputs on standby at latest values
Measurement output 0/4 – 20 mA (max. 600 Ω) proportional to measurement
Temperature output / PID 0/4-20 mA (max. 600 Ω), scaling 0…100°C
This temperature output is not available when PID regulation function is operating.
Program Testing Simulation through the menu on measurement, temperature, PID and thresholds
Main power supply 230 V AC / 50-60 Hz (others on request) – Consumption 10 VA
Models Panel mounting, 96×144 mm; screw terminals, Front IP65, rear IP40
Wall mounting, IP65, screw terminals, cable glands
Data Logger Record of cycle average measurement (programmable)
150 000 records max. on memory card.

Download Data Sheet: Dissolved Oxygen Monitor BAMOPHAR 451

Ref: bamo.eu

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