CJR4/5 methane carbon dioxide detector

CJR4/5 methane carbon dioxide detector product introduction

CJR4/5 methane carbon dioxide detector is an intelligent, multifunctional, ultra compact digital carbon dioxide and methane detection alarm instrument, set has the advantages of small volume, light weight, full function, easy to use and otheradvantages in one.
CJR4/5 determination of methane and carbon dioxide is mainly applicable todangerous places in coal mine methane gas, can be used for underground cadres,management personnel, methane detection, mining work face staff carry and use, is the first choice of products of domestic products of the same kind.

CJR4/5 methane carbon dioxide detector main parameter

1.Work environment:
Working temperature (0 ~ 40) ℃
The relative humidity is below 98% (25 ℃)
Pressure (80 ~ 116) Kpa
The wind speed is smaller than 8m/s
In the coal mine methane with explosive gas
2.Resolution: 0.01% methane; carbon dioxide 0.01%.
3.Technical parameter：
（1）Measuring range methane：（0～4.00）％CH4；carbon dioxide：（0～5.00）％CO2；
（3）Response time methane：not more than20s；carbon dioxide：not more than120s。
4Alarm function：
Alarm range mathane：（0.5～2.5）％CH4，factory set at 1.00%CH4
Carbon dioxide：（0.1～2.0）％CO2，factory set at 1.00％CO2
Alarm: alarm, flashing red light
The alarm sound intensity：≥75dB
Battery voltage：
（1）measuring range：3.2V～4.2V
（2）measuring error：≤±0.05V
5.For a charge time：≥12hours
6.Battery life：＞600次
7.The maximum working current：160mA（alarm）
8.Explosion proof type: mine intrinsically safe and flameproof
9.Explosion proof mark：ExibdI
10.Outline dimention：135×66×30mm
11.Weight：330g；  Housing material: anti static ABS engineering plastics.

CJR4/5 methane carbon dioxide detector advantage

1.Instantaneous simultaneous measurements of methane and carbon dioxide values.
2.A variety of display function can be of various working modes and corresponding datadisplay.
3.Automatic zero tracking function, the zero drift can achieve a zero.
4.Overload, undervoltage, acoustic, optical alarm and automatic shutdown function.
5.Super long working time, discharge time of not less than 12 hours.

6.Accurate clock display function

GUH10 position sensor

GUH10 position sensor product introduction

UH10 position sensor is a new electronic sensor, it is the input magnetic signal, the output is a signal, the output waveform along the steep, can directly drive transistor,SCR, relays and other small electrical.
GUH10 position sensors for intrinsically safe type design, has no contact, no spark,long life, high reliability, small volume, light weight, convenient installation and otheradvantages, the backup protection for mine hoist, oil and other places do sensor.

GUH10 position sensor main parameter

a)Working voltage：intrinsic safe power supplyＤＣ5Ｖ
b)Working current：intrinsic safe power supplyＤＣ５ｍA（No output sensor）
c)Output current：no less than２ｍＡ（when ＤＣ５Ｖ）
e)The surface magnetic field：no less than4０００gauss

GZD120 weighing sensor

GZD120 weighing sensor product introduction

GZD120weighing sensor is suitable for coal mine with coal dust, gas explosionhazardous environment, as the hopper container weighing mainshaftquantitative binand belt conveyor system. GZD120 weighing sensor has the characteristics of small volume, lateral pressure is strong, wide measuring range, high stability, maintenance free.

GZD120 weighing sensor main parameter

Weighing scale：0~120t ±0.2%
Working voltage：DC≤18V
Working current：≤20mA
Output signal：4~20 mA
Weight and size
Weight：50kg
Size：240mm×421mm×220mm 

GZD120 weighing sensor advantage

1. The weighing sensor can work normally under the following conditions:
 Ambient temperature：0℃~+40℃
 Relative humidity：≤95±3%（+25℃）
 Atmospheric pressure：80kPa~106kPa
Working in underground coal mine with explosive gas.
2. Design feature
The weighing sensor consists of cylinder, piston, hydraulic oil and transmitter components, compact structure, firm and durable, convenient installation, flexible use,stable performance. Device protection grade: IP65
3 Operational principle

Weighing sensor using pressure transducer as an element of the pressure (called the object's gravity) into a weak signal, signal after amplification processed into standard 4~20mA signals, the current dependence of transmission to the analog signalequipment associated with the PLC end, as the measurement control signal.

CJT-4/1000Methane&Carbon Monoxide Measuring Device

CJT-4/1000Methane&Carbon Monoxide Measuring Device Parameters

1、Environmental：   
Temperature：（0~40）℃；
Humidity：＜98%(＋25℃)；
Atmospheric pressure：（80~116）kPa；
Wind speed：（0～8）m/s；
In the coal mine methane and coal dust explosive mixture；Storage temperature（-40~+60）℃。< 2、
Measurement range ：
（1）、Methane：(0.00 ~ 4.00)%CH4。
（2）、Carbon Monoxide ：（0~1000）×10-6 CO。
3、Explosion-proof Type&Parameters Of The Ann
3.1Type of protection ：Mine safety and flameproof    
Ex-mark ：ExibdI 3.2 The Ann parameters   The battery pack high open circuit voltage Uo: 4.3V；
Maximum short circuit current Io: 2.0A；Working voltage: 3.6V ；       
Current : 200mA (Alarm)
4、Battery pack Ni-MH 1600mAh/1.2V×3NIH-UPS For TaiAn.
5、Shell adopts ABS engineering plastics, when using animal holster.
6、Dimension ：108.5 mm×54 mm×20mm
7、Weight：300g
Our Email:    sales@chinacoalintl.com 

Telephone:    0086-537-2351381
              0086-18653763332 


Our Address:  No.69 Huoju Road, New & High Zone,Jining City,Shandong Province,China

BS Portable Electric Tape Gage

BS Portable Electric Tape Gage Introduction

This instrument is suitable for the geological, mining, hydrological departments such as hydrological observation hole, the geological drilling, water Wells, DAMS and rivers and lakes, direct measurement of ground water level, to replace the commonly used measuring line measuring clock, wire multi-meters primitive and simple method to measure water.

BS Portable Electric Tape Gage Specifications

1. Depth of the maximum measured：100m、200m、300m、500m（Other range can be customized）
2.The maximum error of the measurement：Not more than ±0.05%（±5cm/100m）（Reached the international standard secondary gauge precisely to the standards set by the ISO.）；
3. The probe sensitive area：Not more than ±5mm
4. Repeated measurement accuracy：Not more than ±10mm
5. Line technical conditions：Outside diameter Ф2.0,7/0.25Galvanized steel reinforced, high density polyethylene insulation, breaking force not less than 25 kg force.
6. Pipe diameter：Ф14mm；
7. Water level detector sensitivity: external earth resistance is not less than 500000 euro.
8. Water level detector power consumption：No more than 15 An
9. Water level detection power：6F22，9V laminated battery；
10. Environment ：-20℃~+40℃，Relative humidity85%。

GAD Coal Mine Tension Sensor

GAD Coal Mine Tension Sensor Introduction

Tension sensor belongs to the comprehensive protection of a kind of protection device of belt conveyor, belt conveyor heald keep two kinds of models, a kind of ordinary belt conveyor ensemble, is a kind of intelligent belt conveyor ensemble, and mine tension sensor should be used with smart belt conveyor heald is protected.My company's tension sensor is suitable for the mine explosion environment, for mine intrinsically safe GAD10 tension sensor, and the integrated system of belt conveyor, used to measure the coal mine belt conveyor belt tension, prevent the belt from sliding and tension caused by tension decline of fault, belt tension deformation caused by the excessive protection device for KHP type coal mine belt conveyor host tension sensor, when the belt conveyor belt tensioning degree overrun, the device will automatically open to adjust the tension winch.

GAD Coal Mine Tension Sensor Specifications

Enclosure protection class ⅠP54     
Working voltage UiDC12V（When used in the coal mine, by the power supply）
Model GAD10Tension sensor          
Range 0～10T          
Current Ii≤50mA
Accuracy ±3%        
Weight ≤3kg
Dimension 178×96×42mm
The output signal way 200～1000HzFrequency signal

GPY6 mining pressure sensor

GPY6 mining pressure sensor product introduction：

GPY6 miningpressure sensor for mine gas drainage pipeline pressure monitoring. It can display the measured point pressure value in real time, in addition to compatibleand KJF205 coal mine monitoring system with the use of external can also and other domestic coal mine monitoring system.

GPY6 mining pressure sensor main parameter

1.Form: mine intrinsically safe explosion-proof, explosion-proof mark "EXIBI"
2.Supply voltage range: DC to 9 ~ 24V; working current: ≤ 40MA (18V operation)
3.GPY6 mining pressure sensor measuring range: 0 ~ 6MPA (user specified)
4.GPY6 mining pressure sensor overload capacity: 200% the maximum measured value
5.Intrinsic error：177;2 %
6.GPY6 mining pressure sensor output signal: frequency: 200 ~ 1000HZ; current: 1 ~ 5MA or 4 ~ 20 MA

7.Signal transmission distance：≤2KM
8.Structural parameters: size 280*180*68 (MM); weight: 1KG

GSC200 intelligent speed sensor

GSC200 intelligent speed sensor product introduction：

 The definition of speed sensor can sense: the measured velocity and conversion tothe output signal of the sensor can be used.

GSC200 intelligent speed sensor is mainly used to monitor the slipping of the belt in coal mine belt conveyor for coal pile caused by the driven wheel of belt conveyor.

GSC200 intelligent speed sensor main parameter

A、Explosion proof mark：EX[IB]I;
B、Atmospheric pressure：80-106KPA；
C、Ambient temperature is not higher than +40 ℃, not lower than 5 DEG c.;
D、Ambient air relative humidity of not more than95%（20±5℃）；
E、Without significant shake and shock and vibration;
F、n the gas without sufficient corrosion and damage to the insulation and vaporenvironments;
G、In the absence of water and liquid immersion;
H、The grid voltage range :  -25% ～ +10%;
I、Working voltage：DC+12V 、current≤80MA;
J、Scope: arbitrarily set.
K、The connection between the sensor and the host maximum cable length is not more than 500M.

L、Has the level output, the frequency of 200-1000HZ and the relay contact output function.
Our Email:    sales@chinacoalintl.com 

Telephone:    0086-537-2351381
              0086-18653763332 


Our Address:  No.69 Huoju Road, New & High Zone,Jining City,Shandong Province,China

Portable ultrasonic flowmeter

Portable ultrasonic flowmeter product introduction：

Ultrasonic flowmeter is a kind of flowmeter, ultrasonic flowmeter belongs to electronicdevices. Ultrasonic flow meter is composed of three parts of the ultrasonic transducer,electronic circuit and display the flow and accumulation system. Ultrasonic wave propagation in the flowing fluid is based on velocity of flow of information. Flowultrasonic testing instrument accuracy is almost not affected the measured fluidtemperature, pressure, viscosity, density and other parameters, can be made of non contact and portable test instrument.

Portable ultrasonic flowmeter main parameter

The measurement of liquid: water, water, alkali and other single fluid, turbidity is less than 10000ppm, particle size of less than 1mm;

Material: steel, cast iron pipe, PVC pipe, ultrasonic wave can penetrate the full tube,dense texture, no serious corrosion and scaling, allowing the thin dense lining

Pipe lining material: rubber, epoxy asphalt, glass steel, mortar, or without lining pipe diameter range: DN15mm~6000mm

Velocity range: -32m/s~0~+32m/s, bidirectional flow

Accuracy: ± 1% display value (under standard conditions).

The linearity is: 0.5%.

The straight section length: >10D upstream, downstream of the >5D (D: diameter)

Display mode: double line 20 character LCD display

Environmental temperature / humidity: host -20 ℃ ~+50 ℃ -20 ℃ ~+120 ℃; sensor,sensor capable of soaking, the water depth is less than 2m

Portable ultrasonic flowmeter feature

1、A non-contact measurement method, small volume, light weight, easy to carry.　
2、Sensor installation is simple and easy, used to measure various size pipe sound conducting medium.　
3、The measurement process without destruction pipeline, without stop production, the sensor is not contacted with measured medium, no pressure loss.　
4、Pipeline suitable for measurements of metal pipe, plastic pipe and other acousticmaterial.　
5、The built-in rechargeable battery, can work continuously for 12 hours or more.　
6、Intelligent print function, to ensure the flow of data integrity.

Hand-held ultrasonic flowmeter

Hand-held ultrasonic flowmeter prodct introduction：

The hand-held ultrasonic flowmeter outer clamp measurement of liquid flow sensor.The installation process is very simple, full Chinese interface, easy operation.Particularly suitable for flow balance test and flow monitoring: drinking water, river water, sea water, cooling water, hot water, industrial wastewater, lubricating oil, diesel oil, fuel oil, chemical liquid, etc..

Hand-held ultrasonic flowmeter main parameter

High precision measurement of hand-held ultrasonic flowmeter; precision is up to ± 1%, linearity, repeatability precision 0.5%, 0.2%
Portable ultrasonic flowmeter has the advantages of small volume and light weight; the volume is only 210 * 90 * 30MM, the weight is only 0.5KG;
Non contact measurement of hand-held ultrasonic flowmeter; ultrasonic flowmetersensor with magnetic adsorption on the outer wall of the pipeline, can complete theflow measurement;
The measurement range of hand-held ultrasonic flowmeter; selection of sensors of different types, can realize the measurement of diameter DN15-DN6000mm pipe flow;
Portable ultrasonic flowmeter charging power supply; the built-in high capacity Ni MH rechargeable batteries, which can support the flowmeter for more than 20 hours of continuous work;
Portable ultrasonic flowmeter print screen liquid crystal display; can display the cumulative flow, instantaneous flow, flow rate, working state;

The built-in data logger; built-in data logger space is 24 bytes, can measure the dataline 2000.

LWGY series intelligent turbine flowmeter

LWGY series intelligent turbine flowmeter

LWGY series intelligent turbine flowmeter product parameter：

1、High precision, generally up to ± 1%R, ± 0.5%R, high precision is up to ± 0.2%R;
2、 Good repeatability, short term reproducibility of up to 0.05%~0.2%, it is because ofgood repeatability, such as regular calibration or calibration can obtain high accuracy,in trade settlement meter is preferred;
3、The instrument coefficient of three point correction, nonlinear compensation intelligentinstrument coefficient, and can make field modification;
4、All valid data when power is off 10 years not to lose;
5、Range is wide, large diameter up to 1:20, the small diameter of 1:10;
6、Compact structure, convenient installation and maintenance, large flow capacity;
7、For the high pressure measurement, the instrument body without opening, easilymade high pressure type instrument;
8、 Special type sensor types, according to the special needs of the user design for all kinds of special type sensors, for example temperature, bidirectional, undergroundtype, special type sand mixing

9、Can be made into type, suitable for large diameter measurement, small pressure loss,low price, can not flow out, easy installation and maintenance.
Our Email:    sales@chinacoalintl.com 

Telephone:    0086-537-2351381
              0086-18653763332 


Our Address:  No.69 Huoju Road, New & High Zone,Jining City,Shandong Province,China

V cone flowmeter

V cone flowmeter

V cone flowmeter installation method：

1：Method for pipeline flange mounted: two V cone flowmeter has a flange, the flange and the pipe are connected, is usually industry commonly used connection, connection is especially suitable for various pipe size, the installation can be arranged with a differential pressure transmitter, usually used in the measurement of steam flow andthe flow of high temperature medium.
2：Flange clamping installation method: V cone flowmeter are each equipped with flange,when the connected pipeline without flange connection, can be connected by welding,then V cone flowmeter mounted on the flange.
3：Mounting method for welding pipeline: V cone flowmeter and pipeline installationwithout flange connection, using the direct welding way, directly to the meter and pipes welded together, this method low installation cost, reduce the cost of 4 flanges, which is installed place meter in large caliber flow, a one-time installation methods.

V cone flowmeter connection

Pipe flange, flange clamp type, small caliber pipeline butt welding type, integratedtype, conventional fluid integration, steam integration type, antifreeze liquid type,square pipe flange.
Our Email:    sales@chinacoalintl.com 

Telephone:    0086-537-2351381
              0086-18653763332 


Our Address:  No.69 Huoju Road, New & High Zone,Jining City,Shandong Province,China

GRG5H mine carbon dioxide sensor

GRG5H mine carbon dioxide sensor product introduction：

GRG5H type mine infrared carbon dioxide sensor (hereinafter referred to as the sensor for the detection of underground coal mine) carbon dioxide content in the air, it is a kind of intelligent instrumentation, with automatic zero adjustment, automatic sensitivity adjustment function, all the functions can be realized by remote control. With high accuracy, stable and reliable, easy to use and so on, and it can be used withKJ70N coal mine safety monitoring system.

GRG5H mine carbon dioxide sensor main parameter

Safety explosion-proof form essence and flame-proof type“EXIBDI”
Measuring range 0~5%CO2
Intrinsic error ±0.30% CO2
Response time ≤20S
Alarm point setting arbitrary in the measuring range (factory is 1%)
Point to set arbitrary in the measuring range (factory is 1.5%)
Alarm sound and light alarm
The output signal 200HZ~1000HZ/5~15HZ 4~20MA/1~5MA/RS485 bus
Working voltage direct-current9V～24V
Working current  direct-current18V less than 150MA
The transmission distance is greater than 2KM
Remote control distance is not less than 5M

Size and weight PREFIX = ST1280MM×160MM×68MM      1KG
Our Email:    sales@chinacoalintl.com 

Telephone:    0086-537-2351381
              0086-18653763332 


Our Address:  No.69 Huoju Road, New & High Zone,Jining City,Shandong Province,China

WTC gas outburst parameter

WTC gas outburst parameter product introduction：

WTC gas outburst parameter instrument is portable mine intrinsically safe typeintelligent measuring instrument for measuring parameters, prediction of coal and gas outburst. Parameter instrument has the advantages of strong function, small volume,light weight, simple operation, high reliability, good performance, dampproof and dustproof type WTC gas, WTC gas outburst parameter instrument is an advancedcoal mine gas disaster prevention equipment indispensable.

WTC gas outburst parameter main parameter

Working power supply of 8-45A1800 × 8 Ni MH batteries
Working current ＜140mA
Storage capacity of 3 working face a total of 90 groups of K1 forecast data;
15 groups of V30 measurement data; 15 groups of KC measurement data; air methane concentration 8h value
Work time ≥8h
Dimension 180 (long) x 120 (wide) x 83 (high) mm

Weight ＜1.5kg
Our Email:    sales@chinacoalintl.com 

Telephone:    0086-537-2351381
              0086-18653763332 


Our Address:  No.69 Huoju Road, New & High Zone,Jining City,Shandong Province,China

Flameproof and intrinsically methane breaker

Flameproof and intrinsically methane product introduction

Methane breakeris mainly suitable for underground coal mines and other gases(methane, coal dust mixture) occasions, and can be used in underground mining equipment and other large and medium-sized electrical and mechanical equipment,continuous detection of air in the gas concentration near the equipment, when thegas concentration reaches 1.00%CH4 or more, the off immediately sends out sound and light alarm signals, when the gas concentration reaches 1.50%CH4 or more, the off immediate power (cut controlled electrical equipment), to ensure safety in production. When the gas concentration dropped to less than 0.50%CH4,automatically unlock power instrument (recovery controlled electrical equipment), andcontinued to be detected.
Methane power instrument adopts high performance thermal catalytic element, the large scale integrated circuit and new electronic components, digital display, stable performance, the threshold is accurate, rapid response, high precision. Power meterhas the advantages of small volume, low power consumption, simple application,convenient maintenance.

Methane breaker main parameter and function

Professional form Exdil (flameproof and intrinsically safe type)
Rated working voltage Ac127/380/660V (voltage is adjustable, the factory in 660V)
Machine power ≤20W
Measuring range 0～4%CH4
Measurement of 0 ~ 1% CH4, 1 ± 0.1% CH4. to 4% CH4, the true value of ± 10% CH4
Alarm threshold of 1% CH4, acoustic, optical alarm
Power threshold of 1.50% CH4, the sound and light alarm, power-off 

Unlock the threshold 0.50% CH4
Unlock the delay 1min
Display mode: three bit red digital display, display a sign
Alarm mode red flash, ≥ 85 dB

KGF2 air flow sensor

KGF2 air flow sensor introduction

KGF2 airflow sensor is mainly used for detecting various mine tunnel, air outlet, fanwellhead sealing speed, air volume, in order to ensure the safety of undergroundventilation, supporting the use of safety monitoring system of coal mine in the domestic and foreign various.

KGF2 air flow sensor parameter

Mine intrinsically safe explosion-proof form"ExibI"
Measuring range wind speed0.3m/s~15m/s
 Basal area of less than 30m/s (can be arbitrarily set)
Allowed error is less than ± 0.3m/s
Repeatability error reading the value +1%
Output signal 200Hz~1000Hz/5Hz~15Hz  4~20mA/1~5mA/RS485 bus
Working voltage is DC12V~18V
Working current is not more than 100mA
Transducer work frequency 140~150kHz 
Outline dimention370mm×160mm×55mm    
Quality  2kg

KGF2 air flow sensor working principle

According to Kaman's theory into the vortex, vertical in the infinite circle flow field in anonlinear resistance is infinite (when resistance is called a vortex generating body), in a certain range of Reynolds number (Red=200~5*10000), resistance downstream will produce two row of alternating, rotating vortex column, and the vortex rateproportional from velocity. Formula: f=St V/d: f--- St - constant vortex frequency (V---)wind speed d--- bluff body diameter so, so long as the F, we can know that wind speed V, wind speed measurement can be attributed to the measurement of vortex frequency, and ultrasonic air flow sensor is the use of ultrasonic wave principle to determine the vortex frequency of vortex modulation.

CY30 portable oxygen detector

CY30 portable oxygen detector product introduction：

CY30 portable oxygendetector is mainly used for coal mine workers carry, industrial and civil environmental oxygen measuring cable type with probe cable extender,suitable for the measurement of tank, anoxic place pipelines and underground tunnels.

CY30 portable oxygen detector main parameter

Measuring principle  electrochemical sensors
Detection range 0~30.0%VOL
Resolving power 0.1%VOL
Test accuracy ±0.7%VOL
Alarm and display  large screen liquid crystal (LCD) display
Alarm range 0~20%VOL (adjustable)
Size and weight 28 x 56 x 128 mm 200g
Power supply 9V laminated battery section
The battery for 600 hours (without warning)
Environment temperature and humidity -5 ℃ ~40 ℃ 5%--95%RH (non condensing)
Standard configuration, calibration instrument host cover, airway, screwdriver, manual
Calibration of optional accessories MJ-X gas detector device

MJO2-S (Lan Xianxing) can be configured to extend the line standard 3M probe

KGU1 material detecting sensor

KGU1 material detecting sensor product introduction：

KGU1 (former modelKG1006A) material detecting sensor for mine intrinsically safe type, can be used for coal, metallurgy, chemical industry, building materials, electric power, traffic (port) and other industries detection bulk material is solid or liquid level.The main function is to detect the silo material level (Cang Man), if there is a material flow detection conveyor; conveyor chute or reproduced point accumulation of the materials (such as coal) etc.;

KGU1 material detecting sensor main parameter

Contact capacity：      AC 220V， 1A  (resistive load)
Delay time: 0.4~60 seconds adjustable, factory at 3~4 seconds
Action point：      19±2°
Reset angle：      6±1°
Reset time: instant reset
Body size：  Φ95×340mm
Weight：      6.5 Kg
Shell protection class：  IP54

KGU1 material detecting sensor feature

a. Solid shell, good sealing performance, can be used in harsh industrial environments; 
b. Action is sensitive, reliable, easy to install;
c. The sensor can delay action, adjust delay time, avoid the malfunction of the bulk material caused by impact;
d. Transform the probe can detect a variety of material level

 Our Email:    sales@chinacoalintl.com 

Telephone:    0086-537-2351381

              0086-18653763332 

Our Address:  No.69 Huoju Road, New & High Zone,Jining City,Shandong Province,China