Signal bandwidth 25MHz., independent vertical scale and position control knobs for each channel, 24 parameters of automatic measurements, low-pass, high-pass, band-reject digital filters with adjustable cut-off frequency, advanced cursor mode, manual, auto and track
Capacity 150 liters
Tempreture rangeú¦ 2-8 íµ
Features
1. Micro computer control, adopts digital sensor assists display and control within 0.1 íµ.
2. Led displayú¼ more precisely.
3. Equipped with automatic observationú¼controlú¼displayú¼printingú¼record and alarm.
4. World famous compressor, motor, high efficiency condenser, evaporator, with long working life.
5. Strong cooling system, temperature can recover promptly after the door open/close.
6. Special lock, ensure the storage security.
7. Made of high quality steel, erod-proof coating.
8. Interal uses stainless steel, easy for cleaning.
9. Prolonged power cable (3m), convenient to use.
10.It could be customí¬madeú¼ with all kinds of specifications and functions.
Overview:
Self-pressurized liquid nitrogen tank produces pressure by evaporation of little liquid nitrogen so that liquid nitrogen will exhaust itself and complement other containers. It finds its application in the transportation and storage of liquid medium (liquid nitrogen, liquid oxygen and liquid argon) and cold source of other refrigeration equipments. It is now widely used in tool and die industry, animal husbandry, medicien, semi-conductor, food, cryogenic chemical industry, aerospace, military and other industries and areas. (dewar flask, dewars, dewar, etc)
Production materials:
Inner and outer cylinders of the main body are made up of 304 austenite cryogenic special stainless steel of fine quality; absorbers are regenerated and activated; multi-layer insulation materials are oil-and-lipid-free thin imported composite.
Production technology:
All weld joints are tested by helium mass spectrometer; 100% of products have gone through strict cryogenic examination; unique patented vacuum-pumping technology ensures extremely evaporation loss rate; optional machine or digital display liquid level gauge; container shell makes use of unique polishing technology and has aesthetic modeling; the entire production process strictly follows is9001:2008 standards.
Security technology:
A two-way multi-layer security system is installed to ensure safety for production use; layout of the safety valve, outlet valve, vent valve, and booster valve is reasonable for secure and convenient operation.
Features:
Easy one handed operation
Digital Display
Compact body for areas of restricted space
Slim detector allows measurements to be taken on complex curved surfaces such as welds, moulds etc, as well as conventional flat surfaces
Conversion function for different hardness scales
Self calibrating
Supplied with NAMAS certified test piece
Used in any direction
Lightweight, portable and easy to carry
Using large-screen 128 * 64 dot matrix LCD module, information abundant and intuitive.
Can be pre-set limit, hardness, when beyond the scope it automatic alarm, convenience customers batch test.
English display: menu type operation, uses simple and convenient.
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
LABROID Laboratory refrigerators are used to cool samples or specimens for preservation. Where high Degree of Accuracy is required.
LABROID Laboratory Refrigerators provide an ideal cold storage environment for the preservation of vaccines, medicines, reagents, specimens etc. For consistent, reliable protection, storage & preservation of valuable medical products at a safe + 2 to +8 Deg C.
Construction: Double walled: Outer wall of Mild steel powder coated (OR) Stainless Steel and inner chamber of Stainlesssteel 304.
Controller: Microprocessor based controller with LED Display, PID Digital Temperature Indicator cum Controller, withdual display of set Value and Process value for precise control of temperature.
Temperature Range: Adjustable temperature range from 2Ã??C to 8Ã??C with an increment of 0.1Ã??C.
Accuracy: 0.5 C.
Resolution: 0. C
Fan: Air circulation provided to maintain temperature uniformity.
Door: Main Door with Magnetic gasket with lock and Key. (OPTIONAL SEE THROUGH GLASS DOOR -ON REQUEST)
Product Introduction
WFLC-VI Portable Waveform Recorder is a portable device based on the structure of an industrial portable computer. It takes high-performance DSP high-precision ADC chip and embedded operating system as hardware and software architecture and integrates data acquisition processing transmission storage analysis and other functions as one.
DSP acquisition chip for data acquisition and calculation so as to achieve full digital analog signal filtering flexible and diverse sampling frequency from 10K /s 20K /s 50k/s 100K /s can be selected by users can be used for transient electrical signal waveform recording and analysis.
With advanced industrial control kernel and embedded operating system users can easily carry out data storage backup analysis output and other operationsã??
WFLC-VI portable waveform recorder is a collection of fault wave record generator characteristic test and other functions in the integration of intelligent instrument with its small size strong function scope of application is wide flexible configuration and many other advantages favored by the masses of users is a power utility workers standing it will be for the electric power industry production and technological progress to make due contributions.
