System Sensor HGRL2-LF is the L-Series 2nd generation compact low frequency sounder for wall mounting, in red with a plain housing. It produces a 520 Hz square wave tone intended to meet NFPA requirements for sleeping areas.
Tone options include Temporal 3, Temporal 4, High/Low and Continuous, and sounder-only models also offer a Coded setting. The unit plugs into its mounting plate for simpler installation.
Features
- 520 Hz (10%) square wave tone for NFPA sleeping area compliance
- Selectable Temporal 3, Temporal 4, High/Low and Continuous tones
- High/Low tone options to optimize current draw
- Rotary switch for tone and volume selection
- Digital Voltage Meter (DVM) test points for diagnostics
- Plug-in mounting plate with shorting springs to check wiring continuity
Specifications
| Type |
Low frequency sounder, compact |
| Mounting |
Wall |
| Color |
Red |
| Marking |
Plain |
| Tone |
520 Hz square wave |
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