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220030, the Republic of Belarus, Minsk,
Oktyabrskaya st., 19/5, office 306
tel.: + 375 17 227 23 52, + 375 17 227 13 48,
tel./fax: + 375 17 227 12 33

Dear clients, partners and visitors!
We would like to inform you that for our subsequent growth since the April 10th, 2009 IIT company moves to the new office.
The new office of the company is situated to the next address: 220030, the Republic of Belarus, Minsk,
Oktyabrskaya st., 19/5, office 306
(a comfortable location in the centre of Minsk).

OT-2-3 Optical Tester

The OT-2-3 is designed for measurement of optical power and attenuation in optical fibers and fiber optical components with high accuracy.

It can be used as a standard instrument for calibration of optical testers, power meters and laser sources.

The OT-2-3 has a power meter as a head, three high stability laser sources and a built-in attenuator. Laser power of the LD is regulated by laser current, which can be changed by the PC commands.

A 1 mm-InGaAs photodiode is used for optical power measurement.

The needed range and measurement accuracy are provided by the automatic switch of the optical receiver gain.

The OT-2-3 control and data processing are provided by a PC under Windows 95/98/NT (software screenshot).

Specifications
Laser Source
Wavelength, nm	850±5			1310±5, 1550±5

Power, dBm	2			3

Stability, dB:

- 15 min	0.005

- 1 h	0.02
Power meter
Power range, dBm	+3..-70				+3..-80

Uncertainty, %	4 (+3..-70) dBm	3 (+3..-60) dBm	3 (+3..-60) dBm			4 (+3..-70) dBm

Linearity, %	1.2 (+3..-70) dBm	0.8 (+3..-60) dBm	1.2 (+3..-60) dBm			0.8 (+3..-70) dBm

Uncertainty in the spectral range 780…1630 nm, %	5

Resolution, dB	0.001

Built-in attenuator range, dB	0..40

Power Supply, V	~220

Dimensions, mm	293x255x60

Weight, kg	3

Support

Specification sheet (PDF, 158k)

Products Overview 2005 (PDF, 3000k)