Instalarm Instruments Pvt. Ltd.

Chunabhatti, Mumbai, Maharashtra

This Microcontroller Based Alarm Annunciator has been designed using microprocessor chip incorporated with cutting edge technology. These are widely in use and recommended by experts. We are wholesale retailers and our primary focus is on medium and bulk sized deliveries. If you have any queries, kindly contact our sales executives who can guide you further. Our prices are also fairly affordable.

We are a trusted manufacturer, exporter and supplier of PC Based Alarm Annunciator that is of excellent quality. They are supplied by us to our customers from locations near and far. We have used premium materials in making these alarm annunciators. The machines used to make them are also highly advanced with technical solutions embedded in them. Contact us if you are interested.

Our annunciators are compatible with PC. The data from annunciator located at a distance of upto 1.0km can be transferred through RS485 with suitable cable to PC located elsewhere i.e. in main control room, security cabin etc. away from the field. More than one annunciator also can be looped & connected to remote PC.

Model ISA-2 is an intrinsically safe alarm annunciator suitable for Group IIA, IIB or IIC application as per IS/IEC 60079-11:2006. This design is tested and certified by the only authorities in India viz. CIMFR-Dhandabad & CCOE-Nagpur. The Split type design comprises ofi) Intrinsically safe power supply unit suitable for SAFE AREA location andii) annunciator logic with LED display window located in Hazardous area.
IS annunciators are available for input supply of 24V DC OR 90 to 270V AC/DC supply. The available sequences are auto, manual or first out seq. The numbers of points per cabinet are four to Eighty points in various configurations. Three LEDs per window are provided, since filament lamps are obsolete & not permitted in Hazardous area location. Pneumatic hooter with flame proof solenoid valve is available for audible alarm in hazardous area location

Salient Features

• Plug-in modular concept, for logic circuits, power supplies, display windows, etc. for simplicity of maintenance.
• Logic design is based on integrated circuits. CMOS ICs are employed for its dynamic characteristics and unique features like high noise immunity, wide range of supply voltage capabilities [Vcc-3 to 12V DC] fast response time and compatibility to use in industrial applications in Hazardous area w/o FLP enclosure.
• Switch mode power supply unit with individual zener barriers for all internal low DC voltages, required for annunciator windows, is located in SAFE AREA OR can be mounted in FLP enclosure for HAZARDOUS AREA location.
• Common plug-in flasher module with different colored handle is provided. It can cater upto 80pt. max.
• Fibreglass moulded lamp display boxes with press-fit type window frames.
• Photographic & computerized legend inscription films provided for better readability, easy replacement and various letter sizes.
• NO/NC contact selection on each module by special press-fit type DIL plug for simple and reliable operations.
• Protection provided for earth faults or erroneous application of any potential such as 230VAC or 110VAC on field contact terminals. No damage or malfunctioning is possible.
• POWER ON indication on front facia of annunciator cabinet.

Mounting  & Installation Procedure :

Ensure the panel Cutout/s made for annunciator unit/s are as per drawing enclosed. Before installation check all sub-assemblies for transit damages if any. Install the Annunciator unit on the panel. Fix mounting clamps to secure the Annunciator unit in position. Check powerpack unit which is to be mounted separately in Safe Area. Fix the powerpack unit by means of screw and nuts. Remove the Annunciator Rear Cover and Powerpack Front Cover. Refer to external connection drawings for Annunciator & powerpack unit. Connect wire for pushbuttons to the Annunciator. Also interconnect Annunciator unit with powerpack unit as per external wiring diagram. Connect supply incoming and hooter cables to Powerpack Unit. Do not  connect any signal contact cables. Proceed further as per ‘Testing Procedure’ given under : (3)

1 to 8 PTS  While ordering kindly furnish the following technical details:

• No. of annunciator units required.
• No. of windows per annunciator.
• Sequence of operation
• Incoming supply voltage.
• NO/NC fault contact details.
• Legend inscription details.
• Any optional features required

Details :

Optional Features : available such as, additional relay, contact for repeat alarm available, site selectable trip/non trip alarm differentiation etc.Electrical Isolation : Electrically insulated from panel earth which automatically protects from electrical transients and shock hazard.

STANDARD WALLMOUNT ANNUNCIATORModel ANW-2103 is a small independent cubicle suitable for mounting on the wall, pump house, MCC or any other location where, free standing panels are not available.
It can meet for additional requirement of annunciator points, arise during commissioning or expansion programme. It is a self sufficient annunciator complete with facia windows, power supply unit, push button and hooter for audible alarm. The enclosure is suitable for outdoor locations in dust and weatherproof construction. Special type of enclosure for IP-54 or IP-55 also can be supplied. All the operational sequences and supply voltages given under ANA-2103 model are available with ANW-2103 model.