Ammonia tester NH3
Ammonia gas concentration detection parameters
Operating voltage DC24-plusmn;1% Baud rate 9600
Measurement of gas ammonia gas gas , detection principle electrochemical
Sample accuracy and plusmn; 1%F.S. response time less than 30S
Repetitive and plusmn;1%F.S. Working humidity 10-95%RH, (no condensation)
Operating temperature -30 to 50 degrees C , long-term drift , plusmn; 1% (F.S/year)
Storage temperature -40 to 70 degrees C , warm-up time 30S
Operating current s 50mA s/o operating pressure 86kpa-106kpa
Installation method Fixed installation , warranty period of 1 year
Output interface A variety of shousing materials aluminum alloy
Life of 2 years , size
183 x 143 x 107mm (L x W x H) 1.5Kg (net weight of the instrument)
The measurement range is detailed in the selection table
Output signal TTL (standard) RS485, (general)/4-20mA
The ammonia gas leakage alarm device (SK-600-NH3) is a toxic gas detector with a modular design, intelligent sensor detection technology, overall explosion-proof (d) structure, and fixed installation. Standard configuration with dot matrix LCD display, three-wire 4 to 20mA analog and RS485 digital signal output, optional configuration programmable switching output and other modules, according to user needs to provide customized products, but also support output signal fine-tuning and other functions, convenient system networking and maintenance.
Characteristics
Intelligent EC sensor, using intrinsic safety technology, can support multi-gas, multi-range detection, and can be customized according to user needs, no tools for sensor interchange, offline calibration and zero self-calibration
Intelligent temperature and zero-point compensation algorithm, so that the instrument has better performance with good selectivity, avoiding interference from other gases to the detected gas
A variety of signal outputs, which can be easily accessed to industrial control systems such as PLC/DCS, and can also be used as a stand-alone control
Oversized dot matrix LCD display, support for Chinese and English interface
No open cover, electrochemical remote control operation, single person maintenance
Local alarm indication, all-in-one sound and light alarm (optional)
The instrument has overrange and antipolar protection to avoid the danger caused by human improper operation
Rich electrical interface for users to choose from
By ATNH3, UL, CSA and other certification, with international high-end quality
Ammonia gas leak alarm device product characteristics:
Imported electrochemical sensors have good anti-jamming properties and have a life of 8 years.
Using advanced microprocessing technology, the response speed is fast, the measurement accuracy is high, the stability and repeatability are good.
The detection site has the function of on-site sound and light alarm, the gas concentration exceeds the standard instant alarm, is the safety and security of the operation of dangerous places.
4 field with backlit large-screen LCD display, visual display of gas concentration, type, unit, working status, etc.
5 independent gas chamber, replacement sensor does not need on-site calibration, sensor key parameters automatically recognized.
6 Full-scale range temperature digital automatic tracking compensation to ensure measurement accuracy.
Technical parameters of ammonia gas leakage alarm device:
Detection of gases: ammonia emissions from the air
Detection range: 0-5000PPM
Rate: 0.1PPM
Working mode: fixed continuous operation, diffusion, pipe, circulation, pump suction optional.
Detection error: 1% (F.S)
Response time: s 10S
Output signal: current signal output 4-20MA
Alarm mode: 2 passive node signal output, alarm point can be set.
Working environment: -20 C to 50 degrees C (special requirements: (-40 C to 70 degrees C)
Relative humidity: s 90%RH
Operating voltage: DC12 to 30V
Sensor life: 3 years
Explosion-proof form: probe transmitters and sensors are explosion-proof.
Explosion-proof rating: FTD6 II CT6
Connection cable: Three-core cable (single wire diameter 1.5mm);
Connection distance: 1000 m.
Protection rating: IP65.
Dimensions: 183X143X107 mm.
Weight: 1.5 Kg.
Detection of gases: ammonia emissions from the air
Detection range: 0-5000PPM
Resolution: 0.1PPM
Display Mode: LCD
Temperature and humidity: Optional, temperature detection range: -40 to 120 degrees C, humidity detection range: 0-100%RH
Detection mode: diffusion, circulation, pump suction optional installation mode: wall-mounted, pipe-type
Detection accuracy: splusmn;3% linear error: splusmn;1%
Response time: s20 sec (T90) zero drift: splusm; 1% (F.S/year)
Recovery time: .20 seconds Resumability: splusmn; 1%
Signal output: (1) 4-20mA signal: standard 16-bit accuracy 4-20mA output chip, transmission distance 1Km
(2) RS485 signal: transmission distance 2Km using standard MODBUS RTU protocol
(3) Voltage signal: 0-5V, 0-10V output, can be set by itself
(4) Pulse signal: also known as frequency signal, frequency range adjustable (optional)
(5) Switching signal: 2 relays standard, optional third set of relays, relay passive contact, capacity 220VAC 3A/24VDC 3A
Transmission mode: (1) cable transmission: 3-core, 4-core cable, long-distance transmission (1-2 km)
2 GPRS transmission: built-in GPRS module for real-time remote transfer of data, regardless of distance (optional)
Receiving equipment: user computer, control alarm, PLC, DCS, etc.
Alarm mode: on-site sound and light alarm, external alarm, remote controller alarm, computer data acquisition software alarm, etc.
Alarm settings: standard configuration two-level alarm, optional three-level alarm, can be set alarm mode: regular high and low alarm, interval control alarm
Electrical interface: 3/4"NPT internal thread, 1/2"NPT internal thread, support for 2 kinds of electrical connection
A brief introduction to the ammonia gas leak alarm device:
Ammonia gas leakage alarm device
Automatic temperature compensation, zero point, full-scale drift compensation
Automatic protection against high-concentration gas shock
Full software calibration function, the user can also self-calibrate, with 3 keys to achieve, simple operation
Second-line 4-20mA output
Application site of ammonia gas leakage alarm device
Pharmaceutical research, pharmaceutical production workshop, company, environmental monitoring, school research, building construction, fire alarm, sewage treatment, industrial gas process control petroleum and petrochemical, chemical plant, smelter, steel plant, coal plant, thermal power plant, boiler room, waste disposal plant, tunnel construction, pipeline, gas station, underground gas pipeline maintenance, Indoor air quality testing, monitoring of safety and protective equipment in hazardous places, etc.