PRODUCT OVERVIEW
TOMAR Electronics flameproof GNExS1 alarm sounder is suitable for Zone 1 & Zone 2 applications – certified to ATEX and IECEx.
Sound level outputs are up to 117dB (A) at 1 meter with a choice of 64 alarm tones and 4 remotely select-able stages. The alarm tone frequencies for the first 2 stages are independently selectable. The GNEx range features enclosures manufactured from GRP (glass reinforced polyester), molded in natural red, but also available in other colors. The re-entrant flare horn is high impact, fire retardant ABS. All models have two M20 cable entries, large termination areas containing in & out terminals and an ingress protection of IP66/67. The AC voltage model has a range of 100-260VAC/DC – suitable for 110Vdc gas detection systems.
Key Features
- Automatic synchronization on multi-sounder system.
- Very large termination area.
- Ratchet adjustable stainless steel ‘U’ bracket.
- IN & OUT terminals.
- Independently select-able tones for 1st & 2nd stages.
- Four remotely switched stages/channels.
Specs
- Maximum output: 117dB (A) @ 1 meter [108dB (A) @ 10ft/3m]
- Nominal output: 110dB (A) @ 1m +/- 3dB - Tone 2 [101dB (A) @ 10ft/3m]
- No. of tones: 64 (UKOOA / PFEER compliant)
- No. of stages: 4
- Volume control: Max. 110dB (A); Min. 72dB (A) - Tone 44
- Effective range: 100m/328ft @ 1 KHz
- Voltages DC: 24vdc (10-30VDC), 48VDC (38-60VDC)
- Voltages AC: 230vac (100-260VAC/DC)
- Stage switching: Negative or positive
- Ingress protection: IP66/67
- Enclosure material: Flare Material High impact UL94 V0 & 5VA FR ABS (Red)
- Color: RAL3000 Red (others available on request)
- Cable entries: Dual M20 ISO
- Terminals: 0.5 - 2.5mm² (20-14 AWG)
- Enclosure volume: <2 liters
- Line monitoring: Blocking diode included EOL Min. 500 Ohm 2w, or 3k3 Ohm 0.5w resistor or diode (DC versions) can be fitted
- Weight: 3.00kg/6.6Ibs (DC) AC: 3.20kg/7.04Ibs
Models
Model | Voltage | Current |
GNExS1-024 | 10-30 VDC | 140mA @ 24 VDC |
GNExS1-048 | 38-60 VDC | 73mA @ 48 VDC |
GNExS1-115-230 | 100-260 VAC/DC 50/60Hz | 86mA @115 VAC / 75mA @ 230 VAC |
Approvals
- ATEX certificate: SIRA 13ATEX1139X, EN 60079-0 2012, EN 60079-1 2007
- IECEx certificate: IECEx SIR 13.0029X, IEC 60079-0 2011 (Ed6), IEC 60079-1 2007 (Ed6)
- TR-CU Ex EAC certificate: RU C-GB.AA71.B.00109
Coding
- II 2G Ex d IIC T4 Ta. -60° to +50°C
- II 2G Ex d IIC T3 Ta. -60° to +70°C
- II 2G Ex d IIB T6 Ta. -60° to +50°C
- II 2G Ex d IIB T5 Ta. -60° to +65°C
- II 2G Ex d IIB T4 Ta. -60° to +70°C
Tone Table
Stage 1 | WAV file | Frequency Description | Stage 2 | Stage 3 |
---|---|---|---|---|
T 1 | Sound | Continuous 1000Hz Toxic Gas Alarm | T 31 | T 11 |
T 2 | Sound | Alternating 800/1000Hz at 0.25s intervals | T 17 | T 5 |
T 3 | Sound | Slow Whoop 500/1200Hz at 0.3Hz with 0.5s gap repeated | T 2 | T 5 |
T 4 | Sound | Sweeping 800/1000 at 1Hz | T 6 | T 5 |
T 5 | Sound | Continuous at 2400Hz | T 3 | T 27 |
T 6 | Sound | Sweeping 2400/2900Hz at 7Hz | T 7 | T 5 |
T 7 | Sound | Sweeping 2400/2900Hz at 1Hz | T 10 | T 5 |
T 8 | Sound | Siren 500/1200/500Hz at 0.3Hz | T 2 | T 5 |
T 9 | Sound | Sawtooth 1200/500Hz at 1Hz | T 15 | T 2 |
T 10 | Sound | Alternating 2400/2900Hz at 2Hz | T 7 | T 5 |
T 11 | Sound | Intermittent 1000Hz at 0.5Hz General alarm | T 31 | T 1 |
T 12 | Sound | Alternating 800/1000Hz at 0.875Hz | T 4 | T 5 |
T 13 | Sound | Intermittent 2400Hz at 1Hz | T 15 | T 5 |
T 14 | Sound | Intermittent 800Hz 0.25s on 1s off | T 4 | T 5 |
T 15 | Sound | Continuous at 800Hz | T 2 | T 5 |
T 16 | Sound | Intermittent 660Hz 150mS on, 150mS off | T 18 | T 5 |
T 17 | Sound | Alternating 544Hz (100mS)/440Hz(400mS) | T 2 | T 27 |
T 18 | Sound | Intermittent 660Hz 1.8s on, 1.8s off | T 2 | T 5 |
T 19 | Sound | 1400Hz to 1600Hz sweep up over 1s -1600Hz to 1400Hz sweep down over 0.5s | T 2 | T 5 |
T 20 | Sound | Continuous 660Hz | T 2 | T 5 |
T 21 | Sound | Alternating 554/440Hz at 1Hz | T 2 | T 5 |
T 22 | Sound | Intermittent 554Hz at 0.875Hz | T 2 | T 5 |
T 23 | Sound | 800Hz pulsing at 2Hz | T 6 | T 5 |
T 24 | Sound | Sweeping 800/1000Hz at 50Hz | T 29 | T 5 |
T 25 | Sound | Sweeping 2400/2900Hz at 50Hz | T 29 | T 5 |
T 26 | Sound | Simulated bell sound | T 2 | T 1 |
T 27 | Sound | Continuous 554Hz | T 26 | T 5 |
T 28 | Sound | Continuous 440Hz | T 2 | T 5 |
T 29 | Sound | Sweeping 800/1000Hz at 7Hz | T 7 | T 5 |
T 30 | Sound | 420Hz repeating 0.625s on, 0.625s off Australian alert signal | T 32 | T 5 |
T 31 | Sound | 1200/500Hz at 1 Hz Prepare to Abandon Platform | T 11 | T 1 |
T 32 | Sound | Sweeping 500/1200Hz 3.75s on, 0.25s off 15Hz | T 26 | T 1 |
Country specific or custom tone configurations and alarm frequencies are available upon request. |
Helpful Links
How many 1001 speakers can I operate on a single Power Alarm setup, and do I need to increase the wire gauge?
Is there any way to reduce the decibel level on the Power Alarm when the level is set at its lowest? It’s still too loud.
Where can I find the product data sheets
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