INDUSTRIAL GAS DETECTION
MODEL LDX-400
MULTI CHANNEL CONTROLLER

SMS MODEL LDX-400 MULTI CHANNEL CONTROLLER FEATURES:

POWER INPUT: 12VDC or 24 VDC 125 VAC 50/60 HZ
INPUTS: Four channels; 4-20mA into 100 Ohms or RS485 digital
RANGE AND UNITS: 0-999 units (PPM, %LEL, %VOL or TEMP)
RELAYS: Four 10 AMP FORM "C" (SPDT) relay contacts common to all inputs
ALARM SETTINGS: Can be programmed for individual functions to individual inputs
DISPLAY: Two digit Function/Sensor Point seven segment LED display Three digit sensor reading seven segment LED display Four Bi-Color (red/green) LED alarm and fault status display
USER INTERFACE: Three buttons: enter/silence, up value adjust and down value adjust

 

The Model LDX-400 controller is a versatile instrument that offers the flexibility of a multiple gas detection system designed to be used in areas that need up to four sensor points. The controller has build in signal conditioning for up to four remote 4-20mA signals or RS485 digital signals from the transmitters. A bright red three digit, seven segment LED display shows the sensor reading while being identified by a bright red two digit, seven segment LED display. Alarm and fault status are indicated by four bi-color (red/green) LED's.

The Model LDX-400 functions are programmable through use of push button switches that allows any engineering unit to be measured for the transmitter. It is programmable for range, alarm levels, gas units, decimal place, and one to four channel operation.

TECHNICAL SPECIFICATIONS
AVAILABLE GASES AND RANGES: COMBUSTIBLE GASES; LEL 0-50%
AMMONIA NH3 0-200 ppm
CARBON MONOXIDE; CO 0-100 ppm
CARBON MONOXIDE; CO 0-500 ppm
HYDROGEN SULFIDE; H2S 0-50 ppm
HYDROGEN SULFIDE; H2S 0-100 ppm
HYDROGEN CYANIDE; HCN 0-50 ppm
NITROGEN DIOXIDE; NO2 0-20 ppm
SULFUR DIOXIDE; SO2 0-20 ppm
SULFUR DIOXIDE; SO2 0-100 ppm
SENSOR TYPE: CATALYTIC BEAD, ELECTROCHEMICAL SENSOR OR METAL OXIDE
ALARM SETTINGS: FACTORY PROGRAMMED WITH OPTIONAL SETTINGS
VISUAL ALARM INDICATORS: GREEN, POWER; AMBER, LOW; RED, HI, HI-HI AND FAULT ON DISPLAY
POWER SOURCE: 12 OR 24 VOLT DC OR 125VAC
DISPLAY: THREE-DIGIT L.E.D. DISPLAY FOR SENSOR READING, TWO-DIGIT FUNCTION/SENSOR POINT L.E.D. DISPLAY AND FOUR BI-COLORED (RED/GREEN) L.E.D.'S FOR ALARM AND FAULT STATUS
ENCLOSURE: 8X6X4 (DC POWERED) OR 10X8X6 (AC POWERED) FIBER GLASS NEMA 4 WITH POLYCARBONATE WINDOW
OPERATION TEMPERATURES: -40C TO 50C
WARRANTY: ONE-YEAR ELECTRONICS

MANUFACTURED BY

STANDBY MONITORING SYSTEMS, INC.
2131 KERMIT HWY.
ODESSA, TEXAS 79761
PH: (432) 334-6105 TOLL FREE: 1-888-527-3533 FAX: (432) 334-0555
www.standbymonitoring.com


 

 

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