100-500Hz frequency response curve to test the sound source as the base. Attenuation greater than 12dB, in the 500-1000Hz is not greater than 20dB.
Earrings flexibility: Sierra ears open 300mm, 1 minute response, distortion is not greater than 10mm.
Large Flat Head Diameter listen: 45mm. Trumpet listen Flat Head Diameter: 30mm.
Large bell-shaped head diameter to listen: 34mm in diameter, No. bell-shaped head to listen: 25mm
Small bell-shaped head to listen diameter: 20mm tube length: 58cm
Products
- Laboratory Equipments
- Anaerobic jar
- Atomic Absorption
- Autoclave
- Automatic Titrator
- Balance
- Bath
- Biological Safety Cabinet
- Biosafety Accessories
- Centrifuge
- Cold Keeper
- Colony Counter
- Colorimeter -Photometer
- Conductivity Meter
- Cytotoxic Safety Cabinet
- Digestion Instrument
- Dissolved Oxygen Meters
- Distiller
- Dry Bath / Block
- Fermentaiton & Cell cultivation
- Filteration Manifold System
- Flame Photometer
- Freeze Dryer Series
- Freezer
- Fume Hood
- Furnace
- Gas chromatography
- Gas generator
- Glove Boxes
- Heating Mantle
- Heating Mantle Stirrer
- High-Speed Dispersator
- Homogenizer
- Hotplate
- Hotplate stirrer
- Ice Making Machine
- Incubators
- Ion Meter
- Kjeldahl Nitrogen Determination
- Laminar Airflow
- Liquid Nitrogen Container
- Magnetic Stirrer
- Melting point
- Microplate Mixer
- Microscope
- Microwave Digestion Instrument
- Multi Parameter
- Oscilloscope
- ovens
- Overhead Stirrer
- PCR Cabinet
- PH meter
- Pipette
- Polarimeter
- pump
- Refractometer
- Refrigerator
- Rotary Evaporator
- Rotator
- Sample Concenrator
- Shaker
- Shaking Water Bath
- Sieve shaker
- Soxhlet
- Spectrophotometer
- Stomacher
- storage safety cabinet
- Thermo Shaker
- Tube Roller
- Turbidity
- Ultrasonic Cleaner
- Ultrasonic processor
- Video Measuring Machine
- Viscometer
- Vortex
- Water Purification
- Whiteness Meter
- X-Y Positioning stage
- Medical Equipments
- Automated Bacterial Identification System
- Biochemical Analyzer - Automatic
- Biochemical Analyzer- Semi-Automatic
- Blood Gas & Electrolyte Analyzer
- Blood Bank
- Blood Lead Test System
- Coagulation Analyzer
- Electrolyte Analyzer
- Elisa reader & washer
- ESR Analyzer
- Hba1c analyzer
- Hematology Analyzer
- Horizontal Autoclave
- Immuno Assay Analyzer
- Medical Incinerator
- Microplate Shaker
- Small Equipments
- Urine Analyzer
- Dental Equipment’s
- Apex locator &pulp tester
- Compressor
- Dental Autoclave
- Dental Unit
- Endodontic treatment
- Handpiece
- scaler&curing light
- Sealing Machine
- Suction System
- Ultrasonic Cleaner
- Water Disteller
- Histopatholagy Equipments
- Automatic cryostat
- Cell smear centrifuge
- Embdding center
- Microtome Fully-automatic
- Microtome Rotary
- Microtome Semi-automatic
- Paraffin Dispenser
- Paraffin Trimmer
- Pathological sampling bench
- Slide Storage Cabinet
- STAINER
- Tissue Bath & Dryer
- Tissue processor
- Ultrasonic dehydration Processor
- Vibrating Microtome
- Molecular Biology Equipments
- Blotting
- Cellulose Acetate System
- Chiller System
- Comet Assay Tanks
- Denaturing Gradient Electrophoresis
- DNA Sequencing Units
- Electroporator
- Gel Documentation
- Gel Drying
- Gene Gun
- Horizontal Electrophoresis
- Hybridization Incubators
- Isoelectric Focusing
- Magnetic Stand
- Micro scanner
- Nucleic Acid Extractor
- PCR THERMAL CYCLER
- Power supply
- Pulsed Field
- Reagents & Chemicals
- Real Time PCR
- Real View
- Second Stage 2-D
- Ultraviolet products
- UV Crosslinker
- UV Sterilisation Cabinet
- Vertical- Electrophoresis
- Agriculture .Food& Vetrinary
- Automated Calcimmeter
- Automated Hematology Analyzer
- Chlorophyll Meter
- Fruit Hardness Tester
- Grain Moisture Meter
- Grinder
- Hatchery machine
- Micro-Soil Disintegrator
- Milk Analyzer
- Plant Photosynthesis meter
- Portable Leaf Area Meter
- Small Equipments
- Soil solution sampler
- Spiral Mixer
- Enviromental Equipments
- Anemometer
- Barometer
- Combustible gas detection
- Detection systems in public places
- Electrical Power
- Gas Analyzer
- Humidity＆Temperature Meter
- Infrared Thermometer
- Lux Meter
- Meteorological Instrument
- Moisture Meter
- Nuclear Radiation Detector
- Seismograph system
- Sound level meter
- Industry Equipments
- Minning Industry
- Pharmaceutical industry
- Tile Industry
- Petroleum Equpments
- Crude Oil Centrifuge
- Cup Flash Point
- Distillation of petroleum products Teste
- Kinematic Viscometer
- pour &plugging point tester
-
Laboratory Equipments
-
Medical Equipments
- Dental Equipment’s
- Histopatholagy Equipments
-
Molecular Biology Equipments
- Agriculture .Food& Vetrinary
- Enviromental Equipments
- Industry Equipments
- Petroleum Equpments
