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MicroChem Transmitter/Controller
Brand: De NoraSpecifically designed for drinking and waste water treatment plants, the MicroChem® is able to measure up to three of the following parameters: pH, ORP, Chlorine, Chlorine Dioxide, Conductivity, and 4-20 mA.
The MicroChem® can be configured as an Analyzer/ Transmitter or a Controller. MicroChem® products are available packaged as a complete residual analyzer or as individual components allowing flexible configurations to meet specific customer needs.
Analyzer/Transmitter
The MicroChem® is capable of accepting signal(s) from up to three sensors representing a wide variety of measurements.
Controller
The MicroChem® can provide control of the measured parameter using a standard PID algorithm in conjunction with the sensor input signal, or as a PID Compound Loop controller utilizing the signal from the sensor and an optional 4-20 mA process flow signal.
Two outputs are available from each channel card. One control output is available both as a 4-20 mA control signal or a pulse width modulation output. A second software configurable 4-20 mA output signal is available on each configured channel.
Features- Color touch screen display provides an easy to use operator interface
- Menu driven software design guides user through set-up and operation
- Modularity & flexibility: Additional channels are easily added and field sensors can be changed to achieve new measurements
- Capable of receiving inputs from up to three (3) sensors and/or 4-20 mA signals
- Retransmits two (2) 4-20 mA signals per channel card. Up to six (6) total per instrument
- Serial communications available via RS232/422/485 via MODBUS protocol.
- Full modem RS232 port available for connection to an external modem which allows e-mail messages to be sent from instrument. Messages provide current channel status and any alarms present
- USB 2.0 connector to interface USB memory media to instrument. Capable of downloading data log file and instrument configuration
- Simplicity of use is also assured by message driven menus displayed in one of the following software selectable languages: English, French, German, Spanish, Chinese and Italian
- Up to eight (8) relay outputs available
- On-screen Alarm and Warning messages
- Alarms and deadband can be freely changed via software
- Automatic temperature compensation for Chlorine and pH measurements
- Measures and indicates the sample temperature value for all cells with temperature compensation
- Password protected menus
- The MicroChem® Controller function utilizes specific PID algorithms for pH and Chlorine/ORP
- Calibration is performed without opening the instrument cover via a color touch-screen display
- Diagnostics screen available to aid in trouble shooting
- Housing suitable for outdoor installations (IP65/NEMA 4X protection)
Specifications
Brand
Environmental Protection
- IP65/NEMA 4X
Display
- Display Resolution 480 x 272
- Resistive Touch Panel
- Backlight Control
Power Supply
- Nominal 110-240 Vac 50-60 Hz 65 VA (AC Version)
- 24 Vdc ± 10% 3.15 A (DC Version)
Analog Output
- 4-20 mA
- PWM
Relay Output
- Eight (8) Relay Outputs
- 230 Vac 8 A (AC Versions)
- 24 Vdc 2 A (DC Versions)
Auxiliary Input
- One Channel Configurable as 4-20 mA or Pulse Width Modulation
Communication
- RS232/422/485 via MODBUS Protocol
External Connection
- All Wiring Connections
- USB 2.0 Connectors
Operating Temperature
- -10° to 60° C (14° to 140° F)
Storage Temperature
- -20° to 70° C (-4° to 158° F)
Humidity
- Up to 95% RH
- Wastewater Treatment
- Municipal Drinking Water
- Power Generation
- Municipal Reuse
- Marine
- Steel Manufacturing