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IM 4H3B1-01E
1. FEATURES AND FUNCTIONS
Chapter 1 FEATURES AND FUNCTIONS
This chapter describes the main features and functions of the µR1800 recorder. The
µR1800 is equipped with all the functions which can be expected in a modern recorder,
whereas its functions also reflect the latest user requirements.
1.1 Features
The µR1800 recorder is a precision measuring instrument that is equipped with many
outstanding features:
Compact sized, high reliability: Its compact size (depth 220mm) allows you to
install the µR1800 where only a limited space is available. In case of the pen model, a
contact-free potentiometer and a brushless-DC servomotor contribute to its high
reliability. In case of the dot printing model, high reliability is obtained by the use of
high break down voltage solid-state relays.
Universal inputs: Inputs like DC-voltage, Thermocouple (TC), Resistance
Temperature Detector (RTD), and Digital Input (contact) can all be conveniently used.
There is no need to change any dipswitches; the type of input can be set using the key-
board.
Easy interactive setting: The setting procedure has been made very easy, by using
only panel keys. The µR1800 asks you to select the desired settings, without the need
for remembering difficult setting-codes.
Large informative operator display: The large sized, VFD, display shows the
measured data (including the engineering units) or clock, and bargraph at the same time.
There are two types of bargraph available: percentage-display, and center-zero display.
Because of its 1%-resolution, the bargraph displays very accurately.
Continuous pen recording for up to four channels (pen model only):
Depending on your µR1800 model type, the µR1800 can measure up to four channels
simultaneously. This allows you to decrease the number of recorders you require.
Universal power supply (except for /P1 model): The µR1800 accepts 90 to
250VAC (except 132 to 180VAC), and 50/60Hz without any problems, or need to turn
switches. Therefore the µR1800 is compatible with a wide variety of power supplies.
High performance: The sampling speed of the µR1800 pen model is high at 125 ms,
whereas the recording cycle of the µR1800 dot printing model is 6 ch./10 seconds, or
12ch./15sec., 18ch./20sec. or 24ch./30sec. depending on the model.
The µR1800 is equipped with many functions. Special functions can be ordered as an
option. Furthermore, its power consumption is low (4pen model; 30VA under normal
operation conditions).
Easy maintenance: Because of the use of many contact-free parts, the need for
maintenance has been decreased. The µR1800 is designed in modules, which decreases
the time needed for maintenance extensively.
Closed case: The closed case of the µR1800 allows it to be used in many
environments. The front door is in accordance with DIN 40050-IP54.
Computer interface and memory card: If equipped with this option, the µR1800
can store and retrieve measured data as well as setting data, using an IC memory card or
directly from your PC. The available interface is RS-422-A.
Based on international safety standards: The µR1800 (except portable type) is
based on international safety standards, such as the IEC 348.
1.1 Features
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