Monday 26 December 2016

siren price bell or hooter

 siren is a loud noise making device. Civil defense sirens are mounted in fixed locations and Most fire sirens are single tone and mechanically driven by electric motors with a rotor attached to the shaft.
Automatic Bell, siren or hooter .
Photo Credit  : http://www.perfectcorp.in/
  • 25 different types of settings can be done
  • Operating Voltage 12V Dc
  • Can be used with your existing Bell or Siren (230V AC)
  • 4 Push Buttons for Time Settings with LCD Display & LED Indicators
  • Simple operation & settings, no computers required to program or maintain ringing schedule.
  • No battery required to maintain clock and stored program.
  • Weekly off: any day of the week can be selected as weekly off to cover all seasons of the year and special events of organization.
  • Monthly off: any date of month can be selected as monthly off.
  • Half day: Any day of week or any date of month can be selected as half day.
  • Second Saturday: User selectable second Saturday option.
  • Each bell can have different ringing duration.

Automatic school bell timer circuit is useful for:
  • Schools Bells, Periods, Lunch Break, Exam Time
  • Colleges – Automatic College Bell
  • Institutions
  • Factory Siren – End of Shift, Lunch or Recess, Tea Break
 Type of Industrial Siren:
  • Control Rooms Siren
  • Electrical Control Panels Hooters
  • Power Stations – Hydroelectric, Thermal – Water Release Siren
  • Industrial Warning Sirens & Industrial Electronic Hooter
  • Factory Siren For Breaks & Factory Siren Indicating The End Of A Shift
  • Siren for Mines
  • Fire Siren
  • Air Raid Siren
  • Alert Systems
  • Evacuation Siren
  • Community Warning System
  • Warning And Announcements
  • Amusement Parks Siren
  • Security System For Banks & Offices


Siren code –
Typical Fire Siren Code
For small fires       : No siren will be sounded.
For major fires       : Wailing type for 2 minutes. Siren shall be sounded three times for 15
                                Seconds with an interval of 5 seconds in between.
For disaster           : Same type of siren as in case of a major fire but the same will be sounded
                                three times at an interval of 2 minutes.
For all clear signals : Straight sound for two minutes.
Test                       : Straight sound for two minutes.

Major fire is declared by blowing wailing type fire siren for two minutes as soon as second fire turnout is taken.
Siren range and HP rating,
audible Diametrical Range
H.P.
Price Rs.
0.25 km.
1/8
30,000/-
0.50 km.
1/4
32,000/-
1.00 km.
1/2
35,000/-
1.50 kms.
1
38,000/-
2.00 kms.
1.5
40,000/-
3.50 kms.
2
45,000/-
5.00 kms.
3
50,000/-
8.00 kms.
5
60,000/-
11.50 kms.
7.5
90,000/-
16.00 kms.
10
1,20,000/-
Note: Readers are requested to contact dealer or supplier. Blogger is not responsible for price.


Thursday 22 December 2016

transformer oil filtration format


Sara Construction & Engineer
Site: xxxxxxxxxxxxxxxxxxxxxx

Transformer oil filtration report
Job Ref: --------------------------
Report No  ………………                                                                    Date:……………………..
Transformer no-……………              …………… Substation no- ………………………………..
Oil Capacity …………….Transformer KVA …… ……Voltage……..        ..Sr. no …………
BDV in KV (before staring of filtration)…………
Filtration m/c capacity: ………..L/M, temperature setting: …………deg.C,                     
IR value HT side with 2500V megger…….M-ohm
Reading :
Sr
Date
Time
Oil temperature
Pressure (hg)
Heater current
BDV
Remarks
1







2







3







4







5








If any ……………….
Transformer is reedy for charge or not………………….
Supervisor----------                                                                                 Operator sign ------------
IR Value:
Transformer charge date and time----------------------------
Remarks …………………………………….
Testing engineer -----------
temperature setting : 65-75 Degree .C

One Nation, One electrical License

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