Campbell CR850 Especificaciones descargar pdf (Pagina 5)

CR800 and CR850 Overview

The CR800 and CR850 provide precision measurement capabilities in a rugged, battery-

operated package. The CR800 and CR850 include CPU and analog and digital inputs and

outputs. The on-board, BASIC-like programming language includes data processing and

analysis routines. PC200, PC400, or LoggerNet software provides program generation

and editing, data retrieval, and real-time monitoring. The CR800 and CR850 differ in

their keyboard display. The CR800 uses an external keyboard display, the CR1000KD.

The CR850 includes an on-board keyboard display as part of its integrated package. In

this document, CR800 refers to both the CR800 and CR850 unless specified otherwise.

FIGURE OV1-1. CR800 (left) and CR850 Measurement and Control Systems

OV1. Physical Description

Figure OV1-2 shows the CR800 panel and the associated program instructions.

The details of the measurement instructions can be found in Section 7.

OV1.1 Measurement Inputs

OV1.1.1 Analog Inputs (SE 1-6, DIFF 1-3)

There are 3 differential or 6 single-ended inputs for measuring voltages up to

±5 V. A thermistor installed in the wiring panel can be used to measure the

reference temperature for thermocouple measurements, and connectors

combine with the case design to reduce temperature gradients for accurate

thermocouple measurements. Resolution on the most sensitive range is

0.67 µV.

OV-1

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Campbell CR850 Especificaciones Pagina 5