So2 Sulfur Dioxide Salt Spray Tester

Hard low E is produced by spraying a chemical material with Tin componds on the melting glass surface to form single layer of compound film with certain low emissivity function.

 

Applicationï¼?

Architecture:�  curtain wall, facade, windows and doors

Home appliance: micro oven, refrigerator

 

Advantage:

Improved energy efficiency

Less UV

Reduced condensation

Specification:

Glass Thickness: 3.2mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm

Max size:� 3300*8000mm

Normal size:� 2134x3300mm, 2440x3300mm,

Quality Standard:

In accordance with CE, GB, AS/NIS 2208-1996

JHG fire-resistant glass is combined with borosilicate glass and float glass technology, which fire resistant properties much superior to those of sode lime glass , the main character is :
* high performance to bear high temperature , our tempered borosilicate glass 4.0 can withstand 120 minutes fire test .
* Ultra light ,borostilicate glass 8% less than sode lime glass
* Hign soften point in fire
* High ligh transmission
* No SO2 pollution ,no self-explosion

Borosilicate 4.0 Technical data :
Size: 1830*3000mm
Density (g/cm�?�³) : 2.28�?�±0.1
Co-efficient of expansion (�?�±)(20-300�¢??) : 4.0�?�±0.1�??10-6k-1
Softening point(�¢??) : 845�?�±10
Light transmission :�?�  �¢?�¥90(6mm)

Main usage :
4.0 building partition ,facade ,door ,ceiling ,floor
3.3 household application ,optics , lighting

JOEO salt spray tester,salt spray cabinet,salt fog chamber,can be used to assessing the ability of salt spray corrosion resistant materials. It can be used to assessment materials and their resistance to salt spray corrosion protection layer capacity, whether you are testing hardware industry, screw industry, electroplate industry, automotive and motorcycle parts, communication industry, computer industry, electronic industry, coating industry, research institution, etc, JOEO salt spray test chamber can offer you a best solution.Due to the increasingly harsh environment, cyclic corrosion tester becomes more and more popular. Salt Spray Tester has been the most hot selling products these days, for the fast delivery time and reasonable price of Salt fog chambers.

Decade Resistance Box are precision instruments intended for general laboratory use, R&D and educational purposes. These are used as a multiplier, shunt, substitution resistor, or as an arm for AC or DC bridges.

Specifications
Metal Film Resistor Accuracy 1%
Power Rating 1Wat
Maximum Working Voltage 500 Volts.

PHYSICS OF FIBER OPTICS TRAINER is designed to learn basic physics of fiber optics including fiber end preparation. Students can also study the construction of transmitter & receiver to form analog & digital link. Ample number of experiments can be performed with this kit by referring to the exhaustive manuals provided with the kit.

Features:
01. On-board Function Generator.
02. Transmitter : 1 No.
03. Receiver : 2 Nos
04. Fiber Optic Analog Link.
05. Fiber Optic Digital Link.
06. Signal strength indicator.

Technical Specification:
01. Transmitter : 1 No. LED. Peak wavelength of emission 635 nm Red visible.
02. Receiver : 2 Nos. silicon photo detectors
03. Modulation : Intensity modulation.
04. Driver Circuit : Analog and digital configuration for 635 nm LED.
05. Analog Bandwidth : 35KHz.
06. Digital Bandwidth : 50KHz.
07. On-Board Function Generator :
08. Sine Wave &TTL Square Wave :
09. Frequency Range : 1Hz to 10Hz, 10Hz to 100Hz, 100Hz to 1 K H z , 1 K H z t o 10KHz
10. Amplitude : 0 to 4Vpp. (Except Square)
11. Voice Communication : Fiber Optic voice link using dynamic MIC &SPEAKER
12. Signal strength indicator : 8 LED's provided to m e a s u r e o p t i c a l power.
13. Fiber Optic Cable:
14. Type : 1000 micron Step Index, Multimode Plastic Fiber
15. Fiber Lengths : 1&5 Meter.
16. Power Supply : GND, +5V, +12V, -12V at100mAINT.

Experimental Training Board has been designed specifically to study the behavior of the Reactive Elements and Time Dependent Network Analysis. Practical experience on this board carries great educative value for Science and Engineering Students.

Object:
01. To study Charging & Discharging of a Condenser.
02. To Calibrate D.C. meter for A.C. voltage measurements.
03. To construct the vector (phasor) diagram for series L-R circuit and to calculate the power factor and "Q" at 50 Hz.
04. To study series LCR resonance circuit and its "Q".
05. To study series L-C resonance circuit and from it to find out the true value of "L".
06. To study series C-R circuit.
07. To study different types of filters.
08. To study the parallel R-C resonance circuit.
09. To study the parallel L-C resonance circuit and to find its "Q".
10. To verify circuit laws.
11. To find out the impedance and reactance of LCR reactive elements and to plot their reactance curves.
12. To plot "LISSAGOUS" figures.

Features:
The board consists of the following built-in parts:
01. Mains Transformer having secondary tappings of 10V, 20V, 30V, 40V, 50VA.C. at 500mA.
02. D.C. Voltmeter, 65mm rectangular dial with switch selectable ranges of 10V, 20V, 30V, 40V and 50V.
03. Four Rectifier diodes.
04. SPDT switch.
05. Potentiometer and adequate no. of other electronic components.
06. Mains ON/OFF switch, Fuse and Jewel light.
* The unit is operative on 230V ±10% at 50Hz A.C. Mains.
* Adequate no. of patch cords stackable from rear both ends 4mm spring loaded plug length ½ metre.
* Good quality, reliable terminal/sockets are provided at appropriate places on panel for connections & observation of waveforms.
* Strongly supported by detailed Operating Instructions, giving details of Object, Theory, Design procedures, Report Suggestions and Book References.

Experiments:

Study of Reflex Klystron
Frequency, Guide Wavelength Measurement
SWR, Reflection Coefficient Measurement
Impedance Measurement

Instruments:
SKPS 1
VSWR Meter 1
Components:
Cooling Fan1
Detector Mount 1
Fixed Short 1
D.R.F. Meter1
Isolator 1
Klystron Mount 1
Matched Termination1
Movable Short1
S S Tuner1
Slotted Section 1
Tunable Probe 1
Variable Attenuator 20 dB 1
Wave Guide Stand 4
Accessories:
BNC to BNC Cable2
Mains Cord 2
Op. Manual 1