Companies
Carltex International Inc.
Products
SENTINEL Chart Recorders/Controllers

SENTINEL Chart Recorders/Controllers

Sentinel combines the simplicity and clarity of pen drawn traces together with the versatility of microprocessor control.
The Sentinel range of microprocessor-based circular chart recorders is available in 1, 2 or 3 channel versions. Each channel is equipped with a universal signal input which is compatible with all industry standard sensors and signals including thermocouple types J, K, T, E, N, R, S and B, PT100 platinum resistance temperature detectors and 4/2OmA current loops. Low and high measurement ranges are provided for each input type, separate range cards are not required. Multipen versions include opto-electronic isolation of the input stages to eliminate troublesome installation ground loops. Available in 1, 2 or 3 pen versions, User configurable via front-panel keypad, Easy-to-use menu-driven software for rapid configuration and calibration, Universal input accepts thermocouples, RTDS, Vdc and mAdc, Large-character alphanumeric display panel with backlight, High accuracy and stability, Simultaneous digital display of process variable for each channel, Special `Zoom` feature for expansion of range, Microprocessor control of ranging, relays, chart speed and sensor linearization, Comprehensive alarm facilities, Alarm status shown by colour-coded LEDs, Hardware and programmable software locks for security, Slim case ideal for shallow compartments, Simple installation and low maintenance.