Gas Alarm (Gas Detector, Co Alarm)

• Trademark: ShowRange
• Origin: Shanghai
• Model NO.: TT-xxx

Product Description

TT-712NV
Semiconductor sensor
Operating voltage: 85-265V AC; Wall mounted;
Alarm output: Sound& LED Flash alarm;
Alarm level: 10% ± 5% LEL.
Drivable accessaries: Electromagnetic valve and exhaust fan;
High Reliability sensor;
MCU processing adopted, SMT adopted, good stability
Malfunction auto-check indicator
Dimension: 118.5*82*43mm.
Execute criterion: GB15322; EN50194; UL1484
9V ordinary alkaline backup battery or 9V chargable back up battery (recommended ) optional

TT-712NSZ
Catalytic sensor, with digital LED display for concentration
Operating voltage: 85-265V AC; Wall mounted;
Alarm output: Sound& LED Flash alarm;
Alarm level: 10% ± 5% LEL.
High Reliability sensor;
MCU processing adopted, SMT adopted, good stability
Malfunction auto-check indicator
Dimension: 118.5*82*43mm.
Execute criterion: GB15322; EN50194; UL1484
9V ordinary alkaline backup battery or 9V chargable back up battery (recommended ) optional

TT-701LN-DC
Low power consumption
Operating voltage: 12-24V DC; Wall mounted;
Alarm output: Sound&Flash alarm; Relay output;
Alarm level: 10% ± 5% LEL.
Drivable accessaries: Electromagnetic valve or manipulator;
High Reliability sensor;
MCU processing adopted, SMT adopted, good stability
Malfunction auto-check indicator
Dimension: 115*72*41mm.
Execute criterion: GB15322; EN50194; UL1484

TT-705S
Working Voltage AC 220V
Rated Power: 3W
Warm-up Time: About 180S
Alarm Indication: Red LED flash
Malfunction Indication: Red/green LED on & beeper long buzz.
Alarm Output: Relay output(N. C/N. O)/sound & flash
Alarm Sound: 85dB within 3 meters
Working Temperature: -10° C +50° C
Application: Natural gas/LPG/LNG etc.
Alarm Level: 10% level
Dimension: 115*70*41mm
Execute Criterion: GB15322-2003, EN50194

TT-705LN-DC
Operating voltage: 12-24V DC; Wall mounted;
Alarm output: Sound&Flash alarm; Relay output;
Alarm level: 10% ± 5% LEL.
Auto reset;
High Reliability sensor;
MCU processing adopted, SMT adopted, good stability
Malfunction auto-check indicator
Dimension: 115*72*41mm.
Execute criterion: GB15322; EN50194; UL1484

TT-702FR
Operating voltage: 110V/220V AC; Wall mounted;
Alarm output: Sound&Flash alarm; Wireless transmission;
Sending frequency: 433MHz/315MHz
Drivable accessaries: Exhaust fan
Alarm level: 10% ± 5% LEL.
Auto reset;
High Reliability sensor;
MCU processing adopted, SMT adopted, good stability
Malfunction auto-check indicator
Dimension: 110*70*40mm.
Execute criterion: GB15322; EN50194; UL1484
220V A. C. Network type, ordinary

TT-GN401 Natural Gas 10%LEL
Specifications:
Working voltage: DC24V± 10% or DC12V± 10%
Target gas: Natural gas
Sampling method: Natural diffusion
Consumption: ≤ 3W
Working condition: Temperature: 0oC~ 55oC Humidity: < 95%RH
Response time: ≤ 30s
Warm-up time: 180s± 5s
Resume time: ≤ 30s
Preset alarm point: 10%LEL
Alarm method: Visual and audible
Alarm sound: ≥ 70dB
Signal output: Passive output (10A 250V AC)
Sensor life: >5 years
Weight: ≤ 200g
Dimension: H*d 48mm× 104mm
Protection grade: IP42
Relay output: Max. 3A, 28VDC
Color: White
Optional function: RS485 communications
CE approved

TT-GE
TT-GE401 Natural Gas 10%LEL
TT-GE601 LPG 10%LEL
Specifications:
Working voltage: AC220± 10% or AC110± 10%
Target gas: LPG, natural gas or carbon monoxide (TT-GE701)
Consumption: ≤ 3W
Working condition: Temperature: 0oC~ 55oC Humidity: < 95%RH
Response time: ≤ 30s automatic resume
Sampling method: Natural diffusion
Alarming level:
Combustible gas: 10%LEL
CO 150ppm
H2 1000ppm
Alarming method: Visual and audible
Alarm sound: ≥ 70dB
Weight: 230g
Dimension: L× W× H 123mm× 81mm× 44mm
CE approved