Fixed tetrahydrothiophene detector (explosion-proof integrated sound and light)

• Gas detection: tetrahydrothiophene (C4H8)
• Detection principle: Electrochemical principle
Installation methods: wall mounted, pipe mounted (thread size: M40X1.5mm), flow-through, pump suction optional
• Measurement range: 0-20ppm, 50ppm, 100ppm optional
Resolution: 0.001ppm; 0.01ppm； 0.1ppm； 1ppm
Accuracy: ≤± 3% (actual concentration, higher accuracy depends on the specific sensor)
• Repeatability: ≤± 1%
• Zero drift: ≤± 1% (F.S/year)
Response time: ≤ 20 seconds (T90)
• Recovery time: ≤ 30 seconds
Output signal: Users can choose according to their actual requirements, with a maximum transmission distance of 2000 meters (single core 1mm ² shielded cable)
1. Three wire 4-20mA current signal output (two-wire system can be specially customized)
2. RS-485 digital signal output, national standard Modbus signal output
3. Dual relay signal output, one set of active DC24V output and one set of passive signal output
4. Alarm signal output: on-site sound and light alarm, alarm sound:<90 decibels
• Connection method: 3/4 "NPT internal thread
Shell material: die cast aluminum, explosion-proof, corrosion-resistant, and oxidation resistant
Explosion proof mark: ExdII CT6, Explosion proof certificate number: CNEx12.2576
• Protection level: IP65
• Working power supply: 24VDC
• Working temperature: -40~+70 ℃ (customized according to special requirements)
• Working humidity: ≤ 95% RH, no condensation (humidity>90% RH, can be equipped with a filter)
Work pressure: ≤ 200Kpa
• Size: 183 × 143 × 107mm
• Weight: 1.5Kg

The PN-2000-TTNT-L tetrahydrothiophene detector is suitable for continuous online detection of tetrahydrothiophene concentration in various industrial and special environments. The instrument adopts imported electrochemical sensor and microcontroller technology, and has the advantages of stable signal, high accuracy, and good repeatability. The explosion-proof wiring method is suitable for various hazardous areas. The instrument is compatible with various control alarmsPLCTheDCSThe control system can achieve remote monitoring, remote control, remote alarm, computer data storage, analysis and other functions, and is widely used in fields such as petrochemicals, industrial production, flue gas and exhaust environment monitoring, sewage treatment, biopharmaceuticals, home environmental protection, school laboratories, etc.
Imported high-performance electrochemical tetrahydrothiophene sensor with excellent anti-interference performance and a long service life3years or more
The instrument has:4-20mA/RS485Signal output (national standard)Modbussignal output(RS485Interface, relay output, data recovery, data storage (optional) and other functions, can be equipped with software, connected to a computer, automatically generate curve graphs, view historical data, and the storage time interval can be set by oneself
On site backlit large screen with multiple parametersLCDDisplay, visually show gas concentration, type, unit, working status, etc
● Independent chamber, no need for on-site calibration when replacing sensors, automatic identification of sensor key numbers
● Full range temperature digital automatic tracking compensation to ensure measurement accuracy
● Full software calibration function, users can also calibrate themselves, using4Implemented with a single button, easy to operate, with a graphic dot matrix pure Chinese operation menu LCD interface.
● Level 2 alarm setting, dual relay signal output: one set of activeDC24Voutput,A set of passive signal outputs
Can be equipped with an infrared remote control, no need to open the cover to set parameters in explosion-proof places, to prevent the danger caused by static friction when rotating the cover. The instrument and infrared remote control can receive up to8Mi, safe and reliable operation

*Gas, petrochemicals, metallurgy.
*Environmental protection and fire safety testing.
*Dangerous chemical gas detection.
*Municipal, school, hospital, and factory environmental testing.