Dwyer 4B series

• Control temperature for boilers, damper control based on temperature or pressure.

Specifications

  • Inputs: Thermocouple, RTD, DC voltages or DC current.
  • Display: Two 4-digit, 7 segment. PV: 3/4″ H (19 mm) red; SV: 1/2″ H (12.7 mm) green.
  • Accuracy: ±0.25% span, ±1 least significant digit.
  • Supply Voltage: 100 to 240 VAC, 50/60 Hz.
  • Power Consumption: 5 VA max.
  • Operating Temperature: 32 to 122°F (0 to 50°C).
  • Memory Backup: Nonvolatile memory.
  • Control Output Ratings: Relay: SPDT, 5 A @ 250 VAC resistive; Voltage Pulse: 14 V, 10% to -20% (max 40 mA); Current: 4 to 20 mA; Linear Voltage: 0-10 V.
  • Communication: RS-485 Modbus® A-5-11/RTU communication protocol.
  • Weight: 15 oz (425 g).
  • Agency Approvals: CE, UL, cUL, RoHS.
  • Front Panel Rating: IP56.