Overview
The Yokogawa 436003 µR1000 industrial chart recorder is a discontinued but proven analog recording instrument for process monitoring. This unit records flow and pressure measurements onto chart paper, providing a permanent audit trail for industrial processes. The Yokogawa 436003 has been widely used in manufacturing, utilities, and chemical facilities where analog strip chart recording is required for compliance and troubleshooting.
Key Features
- Multi-channel analog recording with pen or dot printing capability
- Flexible chart speed selection for optimized time resolution
- Universal power supply compatible with 100–240 VAC
- Compact form factor (138 mm × 138 mm) suitable for panel mounting
- Mathematical function options for derived parameter calculation
- RS-422-A communication interface for remote monitoring
Technical Specifications
- Model: Yokogawa 436003
- Series: µR1000 Recorder (Discontinued)
- Recorder Type: Multi-channel analog strip chart recorder
- Power Supply: 100–240 VAC
- Panel Cutout: 138 mm × 138 mm
- Communication Port: RS-422-A serial interface (with /C3 option)
- Display: LED indicators for alarm, battery, and chart status
- Pen Model Chart Speed: Selectable from 5 to 1500 mm/h typical range
- Alarm Functions: High/low limit detection with relay output capability
Typical Applications
- Continuous flow rate monitoring in water treatment and petroleum processing
- Pressure trending in steam systems, compressors, and hydraulic circuits
- Temperature and dual-parameter recording for batch process tracking
- Compliance documentation for regulated manufacturing environments
- Legacy system integration where digital data logging is not yet implemented
Compatibility & Replacements
Compatible With
- Standard 4–20 mA analog input signals
- Voltage inputs (0–10 VDC, ±5 VDC, ±10 VDC typical)
- Pressure and flow transducers with linear or configured outputs
- Industrial chart paper rolls (standard widths)
- Yokogawa pen cartridges and ribbon cassettes
Replaces / Drop-In Replacement For
- Yokogawa 436001, 436002, and 436004 within µR1000 series
- Legacy HR series strip chart recorders (HR2200, HR2300) in appropriate configurations
- Manual paper chart recorders where automated trending is needed
Works With
- RS-422-A serial communication for remote data retrieval (when /C3 interface module installed)
- Standard industrial analog input conditioning cards
- Chart paper printing and alarm relay outputs for process notifications
- Periodic manual printout and data list functions for record archival












