LAS-M3A Level Alarm Control System, ready-to-connect indication and control instrument in a weatherproof enclosure. Digital display of tank contents, ‘volume to fill’ display on demand, two alarm relay outputs with volt free contacts for connection to external systems.
Two outputs for external beacon and sounder, RS485 communication for connection to BMS, PLC or PC. Three level alarm indicators, test and mute pushbuttons and internal sounder.
Connected to the supplied pressure transmitter and extra level alarm float switch, the LAS-M3A provides a stand alone indication and control system for tank level measurement.
The LAS-M3A is supplied pre-programmed to your specific requirements including custom front panel identification labels so we will contact you after purchase to obtain tank and contents details.
Litres or as required. ‘amount to fill’ pushbutton
4-20mA (loop powered from LAS-M3A)
Alarm float switch - Normally open volt free contacts
4-20mA retransmission, RS485 two wire.
External sounder (mutable), external beacon (non-mutable)
Two programmable alarm relays with volt free contacts.
Pushbutton or via PC using free software download
Lamp and sounder test switch, mute switch
Sounder, three LED alarm lamps
110/230Vac 50/60Hz (24Vdc to order)
IP65 ABS, 300 x 200 x 132mm
DMU-02 Series Programmable Pressure Transmitter
0-400mbar (4m high tanks at SG 1.0). Other ranges available to order.
Wetted parts 316L stainless steel, IP68, PUR connecting cable 5m long.
1” BSP tank adaptor & cable connector, 22 dia x 170 long (no cable)
Zero point and offset. Range 1:4 (beginning with 400 mbar)
4-20mA, 2 wire
Sensor - stainless steel diaphragm, poly-Si on SiO2 (thin film resistors),
Silicon oil fill. Flush Diaphragm
2/3 times - pressure range dependant
%FS +/- 0.5 (100-400 mbar)
+/- 0.35 (>400 mbar)
including non-linearity, zero point and full scale error, hysteresis and repeatability.
-10/+70ºC Ambient: -10/+70ºC Storage: -20/+100ºC
Pressure Equipment Directive: 97/23/EG
EMC : 89/336/EEC (class B) immunity to EN 61326
A00016704 Bund Float Switch
Adjustable Float Switch with 5m connecting cable and 1" BSP tank adaptor. Float adjustable for close on liquid rise/open on liquid fall or close on liquid fall/open on liquid rise. Voltage free contact.