The Foxboro 873CC-BIYFGZ, also cataloged as the 873CC Industrial Conductivity Analyzer, operates as a dedicated hardware component for continuous monitoring of liquid conductivity and resistivity within industrial process networks. The instrument processes electrochemical data streams by executing dual-channel sensor signal acquisition directly from contacting conductivity probes.
| Parameter | Specification |
|---|---|
| Model | 873CC-BIYFGZ |
| Brand | Foxboro (Schneider Electric) |
| Origin | USA |
| Weight | 1.85 lbs (839 g) |
| Dimensions | Standard 873 series panel mount dimensions |
| Operating Temp | -10 to +50 deg C |
| Power Consumption | Sourced via 100-240 V AC, 50/60 Hz line feed |
| Measurement Type | Contacting conductivity and resistivity |
| Measurement Range | 0.00 uS/cm to 20.00 mS/cm (configurable) |
| Sensor Inputs | Dual-channel (supports 独立 2 sensors) |
| Temperature Compensation | Automatic via integrated RTD (100 Ohm) |
| Display | 4-digit high-contrast LED |
| Outputs | 4-20 mA analog; 2 configurable alarm relays (5 A at 125 V AC) |
| Digital Communication | Optional RS-485 / Modbus |
| Enclosure Rating | NEMA 4XKI (corrosion-resistant metal variant) |
The analyzer incorporates a dual-sensor input structure designed to handle simultaneous, independent measurement routines across separate water lines without channel cross-talk. The analog output circuits are configured to translate electrochemical variables into isolated 4-20 mA loops for direct integration into DCS controllers. Automatic temperature compensation is maintained through continuous tracking of an integrated 100 Ohm RTD element, stabilizing the 16-bit algorithmic calculation of conductivity, resistivity, or removal rate when exposed to fluctuating process fluid temperatures.
Q: What are the electrical parameters and ratings for the onboard alarm relays?
A: The instrument features two independent, configurable alarm relays (normally open/normally closed) rated to interrupt resistive loads up to 5 A at 125 V AC or 5 A at 30 V DC.
Q: How does the unit preserve its configuration data during a complete primary power interruption?
A: The analyzer utilizes non-volatile EEPROM memory to store all user-defined calibration factors, scale limits, and temperature compensation coefficients, preventing data loss without requiring internal backup batteries.
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