An extension terminal (wall or panel mounting):

BAMOPHOX 451 in use with the sensor AQUAPLUS offers a high grade measurement and survey of dissolved oxygen for WWTP, pharmaceutical industry, fish breeding, etc.

Displayed parameters: Measurement values - Configuration Menu - Temperature value
Display: Back lighted - 2 lines of 16 alphanumerical characters ; 9.2 mm high
Indication: LED alarms status
Programming: 8 push buttons keyboard on front face - Keyword protected 
Measuring range: 0 to 500%  or  mg/L 
Accuracy Input DO: ± 0.1% from 0 to 200 % ; ±1% from 200 to 500 %
Input temperature: ± 0.3 % 
Input signal: For sensor AQUAPLUS, screw connectors 
Temperature compensation: Automatic: input for 1 sensor Pt 100 Ohm/0°C, range 0 …+100°C 
Manual: programming in the menu temperature between 0 and 100°C

4 output relays:
 4 closing contacts (Silver alloy), voltage free 
Initial resistance 100 mΩ as a maximum (voltage drop 6 V DC 1 A)
Rated at 831 V AC / 3 A / 277 V AC ; 90 W / 3 A / 30 V DC
Switching capacity (minimum) 100 mA, 5 V DC
(depending of switching frequency, ambient conditions, accuracy)
Mechanical life time (minimum) 5 x10⁶ operations (180 commutation/min)
Electrical life time (minimum) 2 x10⁵ (20 comm./min) [3 A, 125 V AC], [3 A, 30 V DC] 
and 10⁵ (evaluated charge) for 3 A, 125 V AC

3 Relays S1, S2 & S3 Thresholds:
3 programmable independent thresholds - with adjustable hysteresis 0…100%
and adjustable timer from 0 to 9999 s 

On/Off Regulation: High and low proportional bandwidth, high and low dead zones 
PID regulation: proportionality 0…200%, - Integrant and Derivative: 0…999 second 

Output relay (S4): Common alarm signal for:
- System malfunction 
- Temperature out of range 
- Pt 100 Ω dysfunction or probe cleaning function 
- Signal, over-range or opened loop 

Calibration sequence: Regulation on standby, relay outputs inhibited, analogical outputs stand on last values 

Self-cleaning program:
Frequency and duration settings, with regulation inhibited
and analogical outputs standing on last values 

Measurement output: 0/4-20 mA (maxi 600 Ω), galvanic insulated 
Temperature output/ PID: 0/4-20 mA (max 600 Ω), scalable on 0…100°C, galvanic insulated 
Program Testing: Simulation through the menu on measurement, temperature, PID and relay outputs 
Main power supply: 230 V AC / 50-60 Hz [other on request] - Consumption 10 VA

Models:
Panel mounting, IP65, 72 x 144 mm, connections on screw terminal IP40
Wall mounting, IP65, cable glands, connections on screw terminal

Data-Logger:
Cycle average measurement record, with a programmable period,
150000 records maxi on MMC (multi-media-card) / External driver necessary