Overview
The Doric 400A Trendicator 400-2267-01 is a digital panel indicator designed for reliable measurement and display of temperature, thermocouple, RTD, and scaled DC signals. This unit includes the -01 option configuration, which provides digital high and low setpoint alarm limits. Although discontinued by the manufacturer, the 400A remains a proven workhorse in industrial monitoring applications where uptime and accuracy are critical.
Key Features
- Large, easy-to-read LED display with high visibility in industrial environments
- Configurable high/low alarm setpoint limits (Option -01) with manual or automatic reset
- Plug-in option card architecture enables field upgrades without replacement
- Accepts thermocouple (J, K types), RTD, thermistor, and scaled DC voltage inputs
- Standardized panel mounting for drop-in replacement in legacy control systems
Technical Specifications
- Display Type: LED digital readout
- Resolution: Full-range temperature or voltage measurement capability
- Setpoint Configuration: Dual digital limits (high/low) with comparator logic
- Input Types: Thermocouple (J, K), RTD, thermistor, scaled DC
- Output Options: Relay alarm contacts; analog output available via -05 option card
- Accuracy: ±0.25% or better (with appropriate input module)
- Operating Principle: Microprocessor-based signal conditioning and display
- Mounting: Standard 1/16 DIN panel format
- Weight: Approximately 2.32 lbs
Typical Applications
The Doric 400A is commonly deployed in:
- Industrial process temperature monitoring and control
- Data acquisition and trend analysis systems
- Furnace, oven, and kiln temperature indication
- Laboratory and test equipment signal display
- Legacy automation systems requiring replacement indicators with alarm capability
- DC voltage and scaled signal measurement in production lines
Compatibility & Replacements
Compatible With
- Standard DIN 1/16-width panel cutout installations
- Thermocouple signal conditioning cabinets
- RTD and thermistor measurement systems
- Process control relay logic and PLC input modules
- Analog signal sources (0–10V, 4–20mA scaled inputs)
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. The 400-2267-01 configuration is specific to setpoint alarm (-01 option). Related Doric 400 Series base models include 400A, 402A, and 403A, though configuration variants may differ.
Works With
- Doric option cards: -01 (dual setpoint limits), -03 (single comparator), -05 (analog output), -10 (10-input multiplexer)
- Standard industrial relay panels and terminal blocks
- Temperature data loggers and trend analysis equipment
- Process monitoring and SCADA systems via optional analog/relay outputs
