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عرض 1636–1650 من أصل 1963 نتيجة
Sine / Square Oscillator 1 Hz – 1MHz
Wave Shapes : Sine and Square waves output 4 mm sockets.
Frequency Range : 1 Hz to 1 MHz using fine and coarse controls.
Accuracy : ± 5% on all ranges.
Amplitude for sine wave output : 30 Vpp.
Amplitude for Square wave output : 15 Vpp
Output Impedance for sine wave : Approx. 600 Ohms.
Output Impedance for square wave : Approx. 400 OhmsSKU: PH93200Single Beam Microprocessor UV-VIS Spectrophotometer
Range 195 to 1000 nm with facility for automatic concentration, %Transmission, Absorbance and K Factor measurements. Manual wavelength calibration and selection. Sample holder with 4 position selector control for 10 mm path length cuvettes. Interface (RS 232). Set of 2 quartz and 4 glass cuvettes is provided. Software included.
Features:
Cover 195 to 1000 nm.
4 Position Cuvette Holder.
RS-232C Computer Interface.
High wavelength Precision.
Compact and Good Looking Shape.
Highly Accurate and Stable.Technical Specifications:
Photometric Range: %T : 0 to 100%, Abs.: 0 to 1.999. Conc.: 0 to 1999, K-Factor : 0 to 1999,
Accuracy: ±0.005 Abs at 1.0 Abs, ±0.010 Abs at 1.0 Abs,
Stray Light: Less than 0.1% Abs at 320 nm,
Readability: ± 1 Count,
Data Readout: Single Line LCD display,
Key Board: 4 KEYS, Soft touch membrane type,
Printer Interface: Printer interface for any printer,
Serial Interface: RS 232C interface.
Light Source: a) Tungsten Halogen Lamp; b) Deuterium Lamp (D2)
Detector: Wide range Silicon Photodiode.
Optics: Complete mirror optics with resolution 1200 grooves/mm grating.
Sample Holder: 4 position adjustable sample holder.
Power: 230 V ± 10%, 50 Hz. AC.
Dimensions: 420 x 350 x 240 mm (l x b x h) Approx.
Weight: 10 Kg.(Approx.).
Wavelength: 195 to 1000 nm.
Spectral Bandwidth: 2 nm.
Accuracy: ± 0.5 nm.
Repeatability: ± 0.3 nm.
Resolution: 0.1 nm.SKU: CH11186
