201

201

Product catalog summary
Overview: The 201 Loop Powered 4-20 mA LED-display is designed for process input without requiring an external power supply. It operates using the current signal of 4-20 mA, making it suitable for installations without auxiliary power. The display is available in two models: the basic model 201 and model 202, which includes two alarm contacts.
Specifications:
  • Input: 4-20 mA, linear or square root
  • Display Scaling: -999 to +9999
  • Decimal Point: Freely selectable
  • Accuracy: 0.05% of span
  • Input Resistance: 240 ohm for model 201 (voltage drop = 5.0 V), 370 ohm for model 202 (voltage drop = 7.3 V)
  • Alarm Relays: 2 solid state relays (SSR), max. 250 VAC, 150 mA
  • Alarm Mode: High and low level with selectable hysteresis (0-100%)
  • Display: 4-digit red LED, 14.5 mm, adjustable brightness
  • Front Plate Protection: IP65 with gasket, IP54 without gasket
  • Ambient Temperature: 0 to +60 °C
  • Terminals: Detachable 2.5 mm²
  • Weight: 200 g
Features:
  • Autopowered bright red LED-display for improved visibility compared to LCD displays
  • Front panel scaling and configuration with password protection for alarms and settings
  • Digital filter for display stabilization
Applications: Suitable for environments where auxiliary power is unavailable, providing a reliable display solution with optional alarm configurations.
Ordering Information: Basic model 201-4/20 and model 202-4/20 with alarms.
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Catalog excerpts

201-1

www.nokeval.com sales.nokeval.com 201 Loop Powered 4..20 mA LED-display • For process input 4-20 mA • Without external power supply • Loop resistance 240 ohm only • 4-digit processor based display • Scaling on front panel • 2 settable alarms • Pass words for alarms and configuration • Front panel rating IP 65 Autopowered bright red LED-display 201 needs no external power supply. Current signal 4-20 mA provides the necessary energy. Therefore, it is possible to install the meter in places having no auxiliary power available. You can now replace the autopowered LCD-displays, having very poor visibility, by bright red LED-displays. There are two models: basic model 201 without alarms and model 202 with two alarm contacts. Display scaling and configuration by front panel buttons. Unit has digital filter for stabilizing the 4-digit display. In model 202 You may configure two optional alarms, high and low. Password is settable for entering configuration and alarm stages. Front panel protection IP65. Alarm low Input signal 4-20 mA Alarm High Input Display scaling Desimal point Accuracy Input resistance, Alarm relays (optio) Alarm mode Hysteresis Display Front plate protection Push buttons Ambient temperature Terminals Weight Technical specifications: Typical application Ordering examples: Basic model With alarms

 Open the catalog to page 1

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.