Application range: It is also appropriate for long-term static preservation of a large number of biological samples such as stem cell, plasma, semen, embryo, tissue, organ, and so on. Production technology: Unique patent technology of evacuation and multi-layer insulation technology ensure an extremely low loss rate of liquid nitrogen evaporation. All weld joints go through mental flaw detection and helium mass spectrometer to see if there is leak. Every product goes through strict liquid nitrogen test. Unique polishing technology ensures aesthetic modeling. The entire manufacturing process follows strictly iso9001:2008 and iso13485:1996 quality control procedures. Production materials: Materials of inner tank and outer tank are made of 304 austenite stainless steel of fine quality. Adsorbents are all regenerated and activated. Materials of multi-layer insulation are made of oil-and-lipid-free thin composite. Product feature: 1.-196 degree immersion cryopreservation and -190 degree vapor cryopreservation can alternate freely 2.Effective insulation ensures 98% of system surface is shrouded by vacuum 3.Powerful control and management system, automatic fluid infusion, real-time monitoring of liquid level, temperature and other data are installed 4.Compared with equipments of same functions, it saves 70% of liquid nitrogen and reduces maintaining costs to the lowest degree. 5.Pallet rotation in the inner tank makes access convenient.
Product feature: 1.Professional design, aesthetic modeling 2.Multi-layer insulation design of high vacuum for reducing evaporation loss rate of liquid nitrogen and using cost to the lowest degree 3.Aluminum alloy materials of high strength for extending service life to more than five years 4.Unique support structure for long-distance transportation 5.A locked-cover switch for safety of preserved sample is optional 6.A protective casing for preventing collision and offering convenience is optional 7.A handcart for enhancing mobility is optional Main uses : 1. Vital preservation of animal semen 2. Vital preservation of biological sample 3. Cryogenic treatment of metal material 4. Cryogenic assembly of precision parts 5.Cold storage and freezing in medical health and refrigeration in operation. Carton 35cm*35cm*55cm 6.5kg
Main function: Dshs-1 deep digital seismograph mainly uses explosion and huge seismic wave to detect the characteristics and properties of crustal deep structure; Icroseismic detection can also be used in the research of natural earthquakes, 3d seismic survey of oil field gas, etc, especially for long time unattended testing problem. System consists of data acquisition device, zero time receiver and built-in geophone. Reflection and refraction exploration: bedrock embedded depth, shape and regularities of distribution research, hydrological and engineering and environmental geological basic investigation.
The sensor of dshz400 is made of quartz with build-in temperature compensating device.The instrument can be widely used in geological and mineral survey including reconnaissance survey, detailed survey and regional gravitational measurement and so on. Main specifications Reading accuracy0.01 (mgal) Observational accuracy¦å¡¡à0.03 (mgal) Counterrange0-3999.9 (div) Counter constant0.09-0.11 (mgal/div) Resetrange5000 (mgal) Beam sensitivity1.6-2.0 (mgal) Drift¡à0.1 (mgal/h) Counter linearity1/1000 Weight4.5 kg Dimensions300285570mm Total weight10kg
1. DSHQ48 High Resolution Seismograph is produced on the basis of DSHQ24 seismograph and combined with China national situation to work under a new type Chinese WINXP system. The design and manufacturing into the valuable experience of seismic instruments, also absorbs today's advanced electronic technologies and design concepts, it is a leading seismograph multi-function, high accuracy, high speed, high reliability, good man-machine interface features and scalability. 2. The Instrument can be used a hammer, electric spark or explosion as the excitation source, with exploration depth from a few meters to a thousand meters; also delay function can be used to obtain Department of stratum deeper underground seismic data. 3. Applicable Methods are: Reflection, refraction, surface wave exploration, pile testing, microtremor measurement, high-density seismic imaging, vibration testing, measurement and shear-wave seismic exploration methods, widely used in water conservancy, electric power, railways, bridges, urban construction, transportation and other areas of engineering geological exploration, also applies to oil, coal, uranium mining and groundwater exploration and other fields. Main Applications • Reflection and Refraction Exploration: Bedrock embedded depth, shape and regularities of distribution research, hydrological and engineering and environmental geological basic investigation. Shear Wave Velocity Test: Measurement of rock mass elasticity parameters, etc. • Surface Wave Prospecting: Cover layer investigation; weathering zone investigation; underground cavity and diseased geologic body survey; subgrade, levee, slope disease investigation. • High-density Multi-wave Seismic Imaging: Cavity investigation of ground base and subgrade (roadbed), cave surveying, etc. • Quality Inspection of Civil Engineering; Bridge pier and building pile foundation detecting, etc. • Safety Evaluation of City Blasting Vibration: All kinds of safety monitoring of blasting vibration. • Main FeaturesAdopt the latest high-speed, high-precision real 24-bit A/D converter. Maximum sampling interval for 48 channels in simultaneous sampling is 31.25us, reaching international advanced level. • Maximum sampling interval for single channel is up to 10us. Can easily complete seismic data acquisition, and data processing • Not only use the advanced wave filter with ultra-low distortion performance, better than 120 dB, with external suppression (cut-off frequency automatically changes with sampling frequency); meanwhile, various digital wave filters (high, low, band pass wave filters) are set in the software, with their cut-off frequency being set artificially. • Brand-new overall structure design, which allows more reasonable view to facilitate the operation. • Support coverage measurement; • Provided with overlaying switch and overlaying cable manufactured by our factory, the application in various reflection, refraction, reflex measurement for field exploration can be facilitated, thus greatly improving the efficiency of field work. • DSHQ48 high-resolution seismograph can support 12-channel and 24-channel overlaying measurement without external configuration Built-in unique instrument detection system. Self-checking acquisition, data computing, self-checking report can automatically generated the output. Field make-and-break test for geophone and jug lines, full waveform noise monitoring Support multiple (at Windows interface) processing software: Superficial reflex processing, refraction, surface wave shear wave package, blasting, pulsating, high-density seismic imaging processing software Clock: Annual timing clock, file recording time will be stored in along with parameters. Main Technical Specifications Computer Configuration: Military Grade PC104 Control Computer P4 (933MHz); Memory: 256MB; Hard Disk: no smaller than 80GB Operating System: win-XP Display: 1024x768 dot matrix, high brightness TFT (true color) LED. Input Device: Equipped with suitable field-use membrane keyboard and touch screen; can also be connected with PS / 2 computer keyboard and mouse; provided with handwriting tablet. Interface: Dual USB interface, PS/2 keyboard, mouse interface, parallel port, Ethernet port, etc. Removable Storage: USB disk, or adopting mobile hard disk drive, USB mobile drive, etc. Frequency Response Range: 0.1Hz~4kHz Noise: smaller than 1 V at full-frequency state Sampling Time Delay: 0~9999ms Conformity: amplitude conformity better than ¡À0.02%; phase conformity: better than ¡À0.01ms Sampling Rate: 10¦Ìs/31.25¦Ìs/62.5¦Ìs/125¦Ìs/250¦Ìs/500¦Ìs/1 ms/2 ms/4 ms/8 ms/16ms/32ms-400ms several taps Number of Sampling Points: 512, 1024, 2048, 4096, 8192, 16384, etc., maximum record up to 32768; Preamplifier Gain: Every six channels as a group, optionally chosen by software: 64 times (36dB), 16 times (24dB), 4 times (12dB), 1times; A/D Converter: Adopt the latest, ultra high speed ¦²-¦¤24 bit A/D converter; Alias Filter: Automatic tracking along with the sampling rate; -3dB, down to 120dB at the place with 0.216 times of sampling rate; and provided with various digital wave filters, cutoff frequency (at the place with -3dB) if required Supported Data Format: SEG-2, SEG-Y, CSP Trigger Mode: Internal and external triggered by hammer switch; triggered via blasting, and electric spark; also triggered by wire-breaking or connecting
Main Function: Surface wave, high-density seismic imaging, pulse measurement, refraction shear wave measurement, city blasting vibration safety evaluation, pile foundation testing, Realization of Various Seismic Methods; etc. High dynamic range, high technical index, fully meet the demands of city geophysical exploration; also provide an alternative selection for field exploration. Working system is on the base of Chinese Windows environment, powerful in functions, easy for operation. Humanized hand mouse, or touch panel directly manipulated. Realization of Various Seismic Methods; Surface wave, high-density seismic imaging, pulse measurement, refraction, shear wave measurement, city blasting vibration safety evaluation, pile foundation testing, etc. Technical Specifications Computer Configuration: Military Grade PC104 Control Computer P4 (933MHz); Memory: 128MB; Hard Disk: no smaller than 40GB; Operating System: win-XP Display: 1024x768 dot matrix, high brightness TFT (true color) LED. Input Device: Equipped with suitable field-use membrane keyboard and touch screen; can also be connected with PS / 2 computer keyboard and mouse; provided with handwriting tablet. Interface: Dual USB interface, PS/2 keyboard, mouse interface, parallel port, Ethernet port, etc. Removable Storage: USB disk, or adopting mobile hard disk drive, USB mobile drive, etc. Frequency Response Range: 0.1Hz~4kHz Noise: smaller than 1 ¦ÌV at full-frequency state Number of channels: 6 (optional 1,2,3 channels mode) Time Delay: 0~9999ms Amplitude conformity:less than 1%; Phase conformity: better than ¡À0.5ms S Number of Sampling Points: 512, 1024, 2048, 4096, 8192, 16384 , optionally Preamplifier Gain: 100 times (40dB), 10 times (20dB), 1 times, optionally A/D Converter: floating point 24 bit A/D converter Supported Data Format: SEG-2 Power Supply: 12V DC Service Environment: -10¡æ~ +55 ¡æ; Humidity 90%RH Volume: 390¡Á270¡Á190mm Weight: 9kg
Main function: Dshs-1 deep digital seismograph mainly uses explosion and huge seismic wave to detect the characteristics and properties of crustal deep structure; Icroseismic detection can also be used in the research of natural earthquakes, 3d seismic survey of oil field gas, etc, especially for long time unattended testing problem. System consists of data acquisition device, zero time receiver and built-in geophone. Reflection and refraction exploration: bedrock embedded depth, shape and regularities of distribution research, hydrological and engineering and environmental geological basic investigation.
Bq50s micrometeor peristaltic pump 1.Variable speed peristaltic pump, simple operation, small size, easy installation, suitable for ancillary equipment and laboratories; 2.Built-in pharmed bpt tubing whose working life is up to 12000hours under continuously running. 3.Reversible direction, start/stop, adjust speed and full speed, state memory (power-down memory); 4.The led indicator display the internal , external control mode . 5.Mask keypad operation. 6.Easy dispensing function , it realizes the repeat timing quantitative dispensing . 7.Plastic housing , adopts embedded design , also can work on the desktop separately. 8.Can input the electrical level 5v, 12v or 24v. 9.Rs485 interface, modbus communication protocol . For pump head: fz10 Flow range: 0.005 ~ 20ml / min Technical parameters Speed range: 0.1 ~ 50 rpm Speed resolution: 0.1 rpm, with accuracy 0.5% Display: 3 led digital speed display Consumption ratio: less than 8w Working environment temperature: 0 ~ 40 centigrade. Relative humidity
1. Customized products. 2. General running length * 750*900mm 3. Steel or wood material is available 4. C frame workbench Carton for each cabinets
1. All made of steel 2. Standard dimension: 1200/1500/1800*850*2350mm 3. Standard, walk-in, pp, acid resist fume hood available Wood pallet with honey paper
Fully automatic chemistry analyzer Discrete automatic, random stat function Online test items: at most 26 testing items 18 sample positions, 26 reagent positions with refrigrated function Throughtput: 200 tests/hour 60 pcs reaction cuvettes Wavelength: 300-800nm, 9 wavelengths 7-step automatic washing, automatic cuvette dry function Easy to operate Compact construction and light weight Dimension:540x420x320mm Net weight:23kgs
The innovative optical layout and state of art mono-chromator with high grade blazed holographic grating ensure accuracy. Its integrated Design assures long term stability and durability. The precisely aligned detector and quality deuterium and halogen lamps enhance the precision across the uv/vis spectrum starting from 190nm and into the near-infrared 1100nm. Online software upgrade capability via internet(for stand-alone models). Full a4 print-out of graphs and tables of results with popular inexpensive printers such as hp or epson deskjet. Real-time clock for date and time stamping of results. Large lcd display (320*240 dots matrix). Specifications: Model Uv-1600 (new) Optical system Double beam (1200 lines/mm grating) Wavelength range 190-1100nm Band width 0.5/ 1.0/ 2.0/ 4.0 nm optional Wavelength accuracy ±0.3nm Wavelength repeatability 0.2nm Photometric accuracy ±0.3%t Photometric repeatability 0.2%t Photometric display range -0.3-3a, 0-200%t, 0-9999c Stability ± 0.001a/h @ 500nm Baseline flatness ±0.001a Noise ±0.001a Stray light ≤0.05%t @220nm, 360nm Data output port Usb Printer port Parallel port Display Lcd (320*240 dots ) Lamps Deuterium lamp & tungsten halogen lamp Detector Silicon photodiode Software Uv pc software Packing size & weight 625*430*206mm & 30kg 625*430*206mm & 30kg
With different external probes, the gauge can be applied to measuring thickness of non-magnetic coating on magnetic metal substrate, as well as non-conductive coating on non-magnetic metal substrate. Five types of probes (F400, F1, F10, N1, CN02) are available for different application. F10 probe measures up to 10mm. Two measuring modes: single or continuous, changeable. Two calibration methods can be applied to the gauge; And the system error of the probe can be corrected with the basic probe calibration method. Measured values and user information are shown on a large, easy-to-read LCD. A display back light ensures easy reading of screen data in poorly-lit conditions. Measuring status indicator showing the measuring status. n. Measuring Principles The gauge adopts two thickness-measuring methods: magnetic induction method and eddy current method. insulating coatings on all non-ferrous metals and on austenitic stainless steels, e.g. paint, anodizing coatings, ceramics, etc. applied on aluminum, copper, zinc die-casting, brass, etc. Working Conditions Working temperature£º -10¡æ¡«£«50¡æ; Storage temperature£º-30¡æ¡«£«60¡æ; Relative humidity: ¡Ü90£¥; The surrounding environment should avoid of vibration, strong magnetic field, corrosive medium and heavy dust. Configuration No. Item Quantity Remarks Standard Config. 1 Main unit 1 2 Probe 1 F1 or N1 3 Calibration Foils 5 PCS 4 Zero plate 1 Iron or Aluminum 5 Instrument case 1 6 Manual 1 7 Alkaline Battery 2 PCS AA size 8 Optional Config. 9 Other type of probes 10 DataPro software 1 On CD 11 USB cable 1 bjxhhd-tech.com sinharef@126.com
Capable of performing measurements on a wide range of material. Four transducer models. Probe-Zero function, Sound-Velocity-Calibration function. Two-Point Calibration function. Two work modes: Single point mode and Scan mode. Coupling status indicator showing the coupling status. Auto sleep and auto power off function to conserve battery life. Optional software to process the memory data on the PC. Optional thermal mini-printer to print the measured data via RS232 port CONFIGURATION No Item Quantity Note Standard Configuration 1 Main body 1 2 Transducer 1 Model: N05/90¡ã 3 Couplant Bottle 1 4 Instrument Case 1 5 Screwdriver 1 6 Alkaline battery 2 AA size 7 Operating Manual 1 8 Warranty Card 1 Optional Configuration 9 Transducer: N02 10 Transducer: N07 11 Transducer: HT5 12 Mini thermal printer 1 13 Print cable 1 14 DataPro for Thickness Gauge 1 For use on the PC 15 Communication Cable 1 APPENDIX A: TRANSDUCER SELECTION Model Freq MHZ Diam mm Measuring Range Lower limit Description N02 2.5 14 3.0mm¡«300.0mm£¨In Steel£© 40mm (in Gray Cast Iron HT200) 20 for thick, highly attenuating, or highly scattering materials N05 5 10 1.2mm¡«230.0mm£¨In Steel£© ¦µ20mm¡Á3.0mm Normal Measurement N05/90¡ã 5 10 1.2mm¡«230.0mm£¨In Steel£© ¦µ20mm¡Á3.0mm Normal Measurement N07 7 6 0.75mm¡«80.0mm £¨In Steel£© ¦µ15mm¡Á2.0mm For thin pipe wall or small curvature pipe wall measurement HT5 5 12 3¡«200mm £¨In Steel£© 30 For high temperature (lower than 300¡ãC) measurement. APPENDIX B: SOUND VELOCITY IN DIFFERENT MATERIALS Material Sound Velocity In/us m/s Aluminum 0.250 6340-6400 Steel, common 0.233 5920 Steel, stainless 0.226 5740 Brass 0.173 4399 Copper 0.186 4720 Iron 0.233 5930 Cast Iron 0.173-0.229 4400-5820 Lead 0.094 2400 Nylon 0.105 2680 Silver 0.142 3607 Gold 0.128 3251 Zinc 0.164 4170 Titanium 0.236 5990 Tin 0.117 2960 Epoxy resin 0.100 2540 Ice 0.157 3988 Nickel 0.222 5639 Plexiglass 0.106 2692 Polystyrene 0.092 2337 Porcelain 0.230 5842 PVC 0.094 2388 Quartz glass 0.222 5639 Rubber, vulcanized 0.091 2311 Teflon 0.056 1422 Water 0.058 1473 CONFIGURATION No Item Quantity Note Standard Configuration 1 Main body 1 2 Transducer 1 Model: N05/90¡ã 3 Couplant Bottle 1 4 Instrument Case 1 5 Screwdriver 1 6 Alkaline battery 2 AA size 7 Operating Manual 1 8 Warranty Card 1 Optional Configuration 9 Transducer: N02 10 Transducer: N07 11 Transducer: HT5 12 Mini thermal printer 1 13 Print cable 1 14 DataPro for Thickness Gauge 1 For use on the PC 15 Communication Cable 1 bjxhhd-tech.com sinharef@126.com
With different external probes, the gauge can be applied to measuring thickness of non-magnetic coating on magnetic metal substrate, as well as non-conductive coating on non-magnetic metal substrate. Five types of probes (F400, F1, F10, N1, CN02) are available for different application. F10 probe measures up to 10mm. Two measuring modes: single or continuous, changeable. Two calibration methods can be applied to the gauge; And the system error of the probe can be corrected with the basic probe calibration method. Measured values and user information are shown on a large, easy-to-read LCD. A display back light ensures easy reading of screen data in poorly-lit conditions. Measuring status indicator showing the measuring status. The gauges¡¯ user-friendly measuring system permits automatic storage of up to 1000 readings in one memory matrix for later statistical evaluation. Measuring Principles The gauge adopts two thickness-measuring methods: magnetic induction method and eddy current method. insulating coatings on all non-ferrous metals and on austenitic stainless steels, e.g. paint, anodizing coatings, ceramics, etc. applied on aluminum, copper, zinc die-casting, brass, etc. Working Conditions Working temperature£º -10¡æ¡«£«50¡æ; Storage temperature£º-30¡æ¡«£«60¡æ; Relative humidity: ¡Ü90£¥; The surrounding environment should avoid of vibration, strong magnetic field, corrosive medium and heavy dust. Configuration No. Item Quantity Remarks Standard Config. 1 Main unit 1 2 Probe 1 F1 or N1 3 Calibration Foils 5 PCS 4 Zero plate 1 Iron or Aluminum 5 Instrument case 1 6 Manual 1 7 Alkaline Battery 2 PCS AA size 8 Optional Config. 9 Other type of probes 10 DataPro software 1 On CD 11 USB cable 1
The model MT160 is a digital ultrasonic thickenss gauge. Based on the same operatinfg principles as SONAR, the instrument is capable of measuring the thickness of various materials with accuracy as high as 0.01 /0.1mm. It is suitable for a variety of metallice and non-metallic materials. Capable of performing measurements on a wide range of material, including metals, plastic, ceramics, composites, epoxies, glass and other ultrasonic wave well-conductive materials. Transducer models are available for special application, including for coarse grain material and high temperature applications. CONFIGURATION No Item Quantity Note Standard Configuration 1 Main body 1 2 Transducer 1 Model: N05/90¡ã 3 Couplant Bottle 1 4 Instrument Case 1 5 Alkaline battery 2 AA size 6 Operating Manual 1 7 Warranty Card 1 8 Optional Configuration 9 Transducer: N02 10 Transducer: N07 11 Transducer: HT5 12 Mini thermal printer 1 13 Print cable 1 14 DataPro for Thickness Gauge 1 For use on the PC 15 Communication Cable 1 bjxhhd-tech.com sinharef@126.com
Suppler chemical fume hood and fume cupboard. 1500*850*2350
ModelL-450 Max rcf2850*g Max speed4500r/min Noise ¡ü55dba Max capacity12*20ml 24*10ml PowerAc230v 50hz Power consumption drive90w Dimension290*475*360mm Weight13kg Time range0~99min Speed accuracy 50r/min L-450 rotor data. Rotor typeRotor no.Capacity (ml)Max speed (r/min)Max rcf (xg)Test tube type Angle rotor450118x 7ml45002545Pp round bottom Vacuum vessel color 450218x 10ml40002220Pp round bottom Vacuum vessel color 450324x 5ml40002220Pp round bottom Vacuum vessel color 450424x 10ml40002220Pp round bottom Vacuum vessel color 450512*20ml40002220Pp round bottom Swing-out rotor45068x 15ml40002510Pp round bottom 45074x 50ml40002510Pp round bottom Dimension290*475*360mm Weight13kg
We are a supplier of centrifuge: ac frequency conversion motor. High speed centrifuge, low speed centrifuge, large capacity centrifuge, refrigerated centrifuge. Looking for trading company, agency, distributor and whoelsale to sell our products abroad. Welcome to contact us for business. Model h-1600a Max rcf17800*g Max speed16000r/min Noise 65dba Max capacity10*5ml PowerAc230v 50hz Power consumption drive100w Dimension275*390*300mm Net weight12kg Time range0~99min Speed accuracy¡à50r/min At 230c ambient temperature H-1600a rotor parameter: Rotor typeRotor no.Capacity (ml)Max speed (r/min)Max rcf (xg)Test tube type Angle rotor160112x 1.5/2.2ml1600017800Pp conical bottom with lid 160218x 1.5/2.2ml1350013250Pp conical bottom with lid 160310x 5ml1350012920Pp round bottom with lid 160436x 0.5ml1350013250Pp conical bottom with lid Dimension275*390*300mm Net weight12kg
1.Beautiful, economical and practical for laboratory environments; 2.Color touch screen, making the information more intuitive peristaltic pump and the operation more convenient; 3.Intelligence expert operating system can guarantee smooth operation even the operator never used such kind of machine before; 4.Unique dispensing function, simple operation, suitable for general accuracy of the liquid-dispensing, reduce the human operator error, improve work efficiency; 5.Calibrating flow function. 6.Intelligent temperature-control technology reduces working noise. 7.Reversible direction, start/stop and full speed , state memory (power-down memory). 8.Speed resolution is above 0.1 rpm. 9.Stainless steel housing , easy to clean , excellent resistance to the corrosion of the acid , alkali, sodium and the organic solvents.. 10.Super anti-interference feature , wide input voltage range, acceptable for the complex power environment. 11.Optional footswitch or timer for dispensing fluid. 12.Rs485 interface , modbus protocol is available , easy to connect other equipments. For pump head: yz15, yz25, dg Flow range: 0.006~2300(ml / min) Technical parameters Speed range: 0.1 ~ 600 rpm Speed resolution: 0.1 rpm, with accuracy 0.5% Display: 65535 color lcd + touch screen Supply voltage: ac220v &ac110v, 50/60hz Power ratio: less than 60w Working environment temperature: 0 ~ 40 centigrade. Relative humidity 80% Protection level: ip31 Dimensions: (l*w * h) 223mm*150mm*195mm Weight: 5.2kg External control functions: External control start and stop, external control orientation, isolated, ttl level input; 0-5v/10v, 4-20ma, 0-10khz speed control input; support rs485 bus, modbus communication protocol. Dimensions:223*150*195mm Weight :4.7kg/4.9kg/5.2kg
