Characteristics - Chauvin Arnoux ORITEL IR 205 Manual De Instrucciones

Nominal operating frequency: 1,000 Hz (tuneable on ± 2.5%)
Overvoltage coefficient of the amplifier: adjustable between 15 and 60
Max. sensitivity at full scale: approximately 1 µVrms on the "dB étalés" (expanded dB) position
Background noise: ≤ 10% of the total value on the "60 dB" position, maximum gain adjustment
Calibration in dB: according to a square law
Measuring range: 0 to 60 dB on the "dB" scale, 10 dB on the "dB étalés" (expanded dB) scale
Gain adjustment (1) : approximately 15 dB with the "Coarse" and "Fine" adjustments
Reading scales:
Normal : "SWR" from 1 to 4 and from 3.2 to 10 and "dB" from 0 to + 10 dB
Spread : "SWR" from 1 to 1.3 and "dB" from 0 to + 2.5 dB
Linear : 0 to 100
expanded dB: 2.5 dB over the whole scale
Accuracy (on the incorporated attenuator)
Better than ± 0.2 dB for each 10 dB jump
Overall accuracy: ≤ 2 dB for the whole 10 - 60 dB range
Linear calibration accuracy (2) : better than ± 5% of the total deviation
Input impedance: approximately 100 kΩ
Input connector: Female BNC
Mains power supply: 115 / 230 V ± 10%, 40 to 60 Hz
Dimension / weight: 215 x 145 x 320 mm / 4.2 kg
Environmental conditions
- Working temperature range: + 10 to + 45°C
- Used indoors
- Altitude at which the instrument is used: < 2,000 m
Electrical safety (in accordance with the NF EN 61010-1 standard, 1995 edition)
- Installation category: II
- Rated voltage: 250 V in relation to the earth
AC
- Degree of pollution: 2
Electromagnetic compatibility
Compliance with EN 61326-1 standard, 1998 edition, class A
(1) Reference level or calibration adjustment
(2) At the tuning frequency

4. CHARACTERISTICS

2 µV on the "dB" (normal) position
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