VSWR Meters

We are a leading Manufacturer of solid state type vswr meters and solid state vswr deluxe meter from Modinagar, India.

Solid State Type VSWR Meters

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Model VS-411 is a calibrated high gain amplifier tuned at one frequency to be used for measurement of VSWR, impedance and relative power levels. The meter indicates the signal level in proportion to the input, which is calibrated directly in VSWR and db.
Input Selector Switch is provided for NORMAL and EXPAND range.

Specification:

Amplifier type	High gain tuned at one frequency.
Frequency	1000 Hz ± 2%.
Sensitivity	0.1 microvolt at 200 ohms for full scale.
Band-width	25-30 Hz.
Noise-level	Less than 0.02 microvolt.
Range	70 db min. in 10 db steps.
Accuracy	± 0.15 db on one range.
Meter-Linearity	1% of full scale.
Scale-Selector	Normal, Expand.
Gain-Control	'Coarse' & 'Fine'.
Input	BNC (F), 200 ohms impedance
Mains Power	230 V, 50 Hz
Standard Accessories	i) Instruction Manual (1 No.) ii) Mains Cord (1 No.) iii) Coax, cable BNC to BNC (1 No.) iv) Spare Fuse (2 Nos.)

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Model VS-41 1 DX is the deluxe model of VSWR Meter model: VS-41 1 with additional features of Input Selector 'Crystal1: Low & high, and Bolometer: low & high. It has a provision for output, which may be recorded.

Specification:

Input power supply	220 VAC, ± 10%, 50 Hz
Input Connector	BNC (F)
Amplifier type	High gain tuned at 1000 Hz
Input Frequency	1 000 Hz ± 2%
Band width (3db)	50 Hz
Input selector	Xtal High (200KO) impedance Xtal Low (200O) impedance Bolo 200fl, 4.5 mA Bias Bob 200O, 8.7 mA Bias
Sensitivity	< 1 jjV for full scale deflection at Xtal low/ Bolo Position.
Range	Over 70 db (60 db in 10 db steps, 10 db through coarse adjustment, 2 db through fine adjustment)
Accuracy	± 0.2 db per 10 db step.
Meter scales	SWR 1-4, SWR 3-10 Expanded SWR 1-1.3 db 0-10 Expanded db 0-2
Mode	Normal / Expanded
Gain control	Coarse adjustment 10 db minimum Fine adjustment 2 db minimum
Recorder output	Through BNC (F) connector
Recorder output level	IV for full scale deflection of meter
Mechanical dimensions	26(L) X 13 (H) X 20.4 (D) cms
Weight	2.7 Kg.
Standard Accessories	i) Mains Cable (1 No.) ii) Coax. Cable BNC-BNC (1 No.) iii) Spare Fuses (2 Nos.) iv) Instruction Manual (1 No.)

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