Foxboro 873RS-AIYFNZ-7 Electrochemical Resistivity Analyzer – Product Description

Description / Overview

The Foxboro 873RS-AIYFNZ-7 is a high-precision resistivity analyzer engineered for continuous liquid resistivity monitoring in industrial processes. It accurately measures ionic contamination in ultrapure water, boiler feedwater, and pharmaceutical fluids. Moreover, its compact design allows flexible panel or field mounting, while the front-panel LCD display and keypad simplify calibration and configuration. This analyzer ensures reliable performance even in demanding environments.

Technical Data / Specifications

• Model: 873RS-AIYFNZ-7

• Series: Foxboro 873RS Resistivity Analyzers

• Type: Electrochemical Resistivity Analyzer

• Measurement Range: 0.1 to 20 MΩ·cm (typical)

• Output Signal: 4–20 mA DC

• Display: Front-panel LCD with real-time resistivity values

• Keypad: Front-panel keypad for configuration and calibration

• Enclosure Options: Plastic or metal, NEMA 4X / IEC rated

• Dimensions: ~350 × 260 × 180 mm

• Weight: 10 lbs (4.5 kg)

• Power Supply: 115/230 VAC, 50/60 Hz

• Operating Temperature: –20 °C to +60 °C

• Humidity Range: 5% – 95% non-condensing

• Country of Origin: USA

FAQ

Q1: What measurement technology does the 873RS-AIYFNZ-7 use?
A1: It uses a two-electrode resistivity sensor for accurate conductivity monitoring.

Q2: What output signal is provided for integration?
A2: Standard 4–20 mA DC for DCS or SCADA systems.

Q3: Can it be mounted in panels or in the field?
A3: Yes, its compact design supports both installation options.

Q4: What is the operating temperature range?
A4: –20 °C to +60 °C.

Q5: Which industries commonly use this analyzer?
A5: Ultrapure water, semiconductor manufacturing, pharmaceuticals, boiler feedwater, and chemical processing.