Hand Operated sirens are also referred as Hand Crank Siren. These sirens are used at sites where there is no external power source is available.
As soon as the handle is rotated it starts producing low-frequency sound which is recognized universally. As no external power source is needed these can be carried along and are portable.
Mostly used in:
- Railway Track Mainataince
- Campsites.
- Civil Defence.
- Mountain rescue.
- Coast guard warning.
Hand Crank Siren / Warbling Type Hand Operated Siren
Siren Hand Operated Floor Mounting Warbling Attachment
Hand Operated Siren
Ideal Audible Range (Diametrical):1.5 / 1.6 Kms
Body Material: Mild Steel & Aluminum Casting
Mounting Type: Floor Mounting with Stand
Warbling Disc Yes (Sliding disc controlled with Handle)
Gear Ratio 1/25
Impeller Size: 8.7 Inches
Handle Length:255 mm
Sound Output: 110 db measured at a distance of 1 Mtrs
Surface Finish: Paint Coated, Color: Red
Weight of Unit (unpacked) in Kgs: 11.00 Kgs
Hand Operated Siren |
|
| Model Number | Ideal Audible Range |
| PC-HOS-050 | 0.5 kms |
| PC-HOS-100 | 1.0 Kms |
| PC-HOS-150 | 1.5 Kms |
| PC-HOS-150-WD | 1.5 kms |
