Shimaden - SD20-490-1000240E0 - Digital Indicator, 48×96 mm, Universal Input

The Shimaden SD20-490-1000240E0 is a versatile digital indicator designed for precise measurement and display of various process variables. With its universal input capability, it supports thermocouples, RTDs, DC voltage, and current signals. The unit features a 4-digit LED display, user-selectable input ranges, and programmable scaling. Equipped with RS-485 communication interface, it allows for seamless integration into industrial control systems. 

Key Features:

• Model: SD20-490-1000240E0

• Brand: Shimaden

• Display: 4-digit 7-segment LED

• Input Types: Thermocouples (T, J, E, K, R, S, B, WRe5-26, U, L), RTDs (JPt100, Pt100), DC voltage (0–10 mV, 0–50 mV, 0–100 mV, 0–1 V, 0–5 V, 0–10 V), DC current (4–20 mA, 0–20 mA)

• Input Impedance: 500 kΩ minimum for voltage inputs

• Sampling Cycle: 0.25 seconds

• Display Accuracy: ±0.25% of full scale plus 1 digit

• Scaling Range: -1999 to +9999 counts

• Alarm Outputs: Two configurable alarms with selectable modes (high/low limit, deviation) and hysteresis settings

• Communication Interface: RS-485 (optional), supporting ASCII code communication at selectable baud rates (1200, 2400, 4800, 9600 bps)

• Power Supply: 100–240 V AC, 50/60 Hz

• Power Consumption: 14 VA maximum

• Dimensions: 48 mm (H) × 96 mm (W) × 110 mm (D)

• Panel Cutout: 45 mm × 92 mm

• Weight: Approximately 300 g

• Operating Temperature: -10 °C to +50 °C

• Applications: Suitable for temperature, humidity, and process variable monitoring in industrial automation, HVAC systems, and laboratory environments.