Catalog excerpts
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
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