عرض 676–690 من أصل 1963 نتيجة
Digital Photo Colorimeter, 8 Filters
8 filters mains operated with optical density in 2½ digit LED display, Range 400 to 700 nm, 1 ml solution measurement.
Designed to deliver stable, direct readout of absorbance. Available in compact and easy to operate finish, these systems are capable for analyzing any level of concentration of solution.
Technical Specifications:
Std. Glass Filter: 8,
Mini Volume: 1 ml,
Display: 2½ Digit LED,
Range: 400-700 nm,
Output: OD (0 to 1.99),
Resolution: OD : 0.01,
Accuracy: 0.5% FSI,
Detector: Selenium Photocell,
Light Source: 6.8 V, 300 mA,
Power: 230 V ±10%, 50 Hz, AC,
Accessories: Test Tube Set of 5, Spare Lamp, Dust Cover, Manual.
Filters: 8 Filters 400, 420, 480, 500, 520, 540, 620, 680 nm.SKU: CH11180Digital Stroboscope
Stroboscopic flashes are triggered by either the internal oscillator or by external pulses which may be connected to the two 4mm sockets mounted on the rear panel of the instrument. Example of the many applications of this unit are to be found in motion analysis multi exposures photography, examination of moving parts and measurement of rotational speed. Specifications:-
Input Volts : 220V AC, 50 Hz
Flash Rate: 0- 9999 Flashes per minute.
Resolution : 1
Display: 7 Segment LED (4 nos.)SKU: PH36067Digital Stroboscope
Stroboscopic flashes are triggered by either the internal oscillator or by external pulses which may be connected to the two 4mm sockets mounted on the rear panel of the instrument. Example of the many applications of this unit are to be found in motion analysis multi exposures photography, examination of moving parts and measurement of rotational speed.
Specifications:-
Input Volts: 220V AC, 50 Hz
Max. Flash Rate: 9999 Flashes per minute.
Resolution: 1 Display: 7 Segment LED (4 nos.)SKU: PH36067PDigital Trainer Using NAND Gates
Complete with Regulated power supply of + 5V/500 mA. Provided with 4 Logic input switches (bounceless) 4 LED Indicators (Buffered)
Functional diagram of :-
1. 3 Input NAND 6 No.
2. 4 Input NAND 4 No.
3. 1 Input NOT Gates 4 No. is printed on board.
4. 12 Interconnection Leads and User’s Manual is provided.SKU: PH93027Discrete Component Trainer
Trainer consisting of Power Supply of +5 V / ±12 V (each of 250 mA), Silicon, Germanium diodes, Zeners, PNP and NPN Transistors, FET, One speaker, 12 different values of carbon film resistances of ¼ W, ½ W and 1 W. 12 assorted values of capacitors from 100 pF to 1000 ?F, Integrated Circuit (IC) Base and IC 74LS00 1 No. each. LED, LDR, Photo diode, Solar Cell Logic Switches (4 No.) and LED Indicators (4 No.) etc., 2 mm Interconnection Leads -10 No. and Comprehensive User’s Manual
SKU: PH93030