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OPTICALMEASURINGINSTRUMENTS

≤ 0.29fiber is used.

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5Operating conditionsSM Fiber (ITU-T G.652), master FC connector, power level: 100 µW (–10 dBm) CWlight, wavelength: 1000 to 1650 nm, ambient temperature: 23Ëš ±5ËšC, within 1 year after calibration warm-up: 30 min, 1 h (when using MA9333A) Uncertainty increase by 1% if either an APC connector or NA

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6Measurement conditionsConstant temperature within 23Ëš ±5ËšC, any wavelength in 1000 to 1650 nm, CW light, power level: 100 µW (–10 dBm) reference Bandwidth: auto/1/10 Hz, warm-up: 30 min, 1 h (when using MA9333A)

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7Only record measurements for measurement interval of ≤ 20 ms

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8Full-scale value for each measurement range

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9Approx. 3 dB bandwidth

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10Specify connector for optical connector option supplied as standard accessory. If connector not specified, FC (Option 37) supplied as standard.

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Optical Sensor (high-power)

ModelMU931002A + MA9331AMU931431A Element InGaAs-PD Input type Fiber Applicable optical fiber9/125 to 62.5/125 µm (NA: ≤ 0.29),PC, APC polish conformity Wavelength range 940 to 1640 nm Optical power measurement range
∗ 1 CW: +35 to –50 dBm CW: +33 to –50 dBm Noise level
∗ 2 ≤ –43 dBm Polarization dependency
∗ 3 PC connector: ≤ ±0.005 dB, APC connector: ≤ ±0.025 dBPC connector: ≤ ±0.025 dB, APC connector: ≤ ±0.05 dBOptical power measurement accuracyReference conditions
∗ 4 ∗ 5 :±3%, Reference conditions
∗ 4 ∗ 5 :±4%, Operating conditions :±4%Operating conditions :±5% Linearity
∗ 6 ±0.05 dB ±30 nW (+35 to –40 dBm)±0.05 dB ±30 nW (+33 to –40 dBm) Zero set operation Automatic zero calibration Wavelength sensitivity correctionMeasurement wavelength input in 0.01 nm units Measurement interval
∗ 7 1ms to 99 h 59 min 59 s Average setting 2 to 1000 times Analog output
∗ 8 Approx. +2 VBandwidth select
∗ 9 Auto,manual Manual setting: 1, 10, 100 Hz, 1, 20 kHz Optical connector
∗ 10 FC, ST, DIN, HMS-10/A, SC, MU, LCEnvironmental conditions Operating temperature/humidity: 0Ëš to +40ËšC/ ≤ 90% (no condensation) Storage temperature/humidity: –40Ëš to +71ËšC/ ≤ 95% (no condensation)Dimensions and mass MU931002A: 41 (W) x 78 (H) x 335 (D) mm, ≤ 500 g 41 (W) x 78 (H) x 335 (D) mm, ≤ 750 g ≤ 880 gMA9331A: 65 (W) x 80 (H) x 110 (D) mm,

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1Wavelength: 1550 nm

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2Measurement interval: 100 ms, average: 10 times, peak to peak noise, wavelength: 1550 nm

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3SM fiber (ITU-T G.652), return loss: ≥ 45dB, wavelength: 1550 nm

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4Reference conditions,Connector adapter, SM fiber (ITU-T.G.652), APC connector Power level 1 W (+30 dBm), CW light, and wavelength 1550 nm Ambient temperature 23Ëš ±2ËšC, humidity 60 % ±10 % Warm-up time 30 minutes, day of calibration. ≤ 0.29 fiber is used.2%added when wavelength besides above are used (However, humidity 60 % ±10 %)

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5Operating conditionsConnector adapter, SM fiber (ITU-T G.652), APC connector, power level: 1 W (30 dBm) CW light, wavelength: 980 ±1 nm, 1240 to 1340 nm, 1440 to 1640 nm Ambient temperature: 23Ëš ±5ËšC, within 6 months after calibration warm-up: 30 min Uncertainty increase by 1% if either NA

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6Measurement conditionsConstant temperature within 23Ëš ±5ËšC, any wavelength in 1000 to 1650 nm, CW light, power level: 1 W (+30 dBm) reference Bandwidth: auto/1/10 Hz, warm-up: 30 min

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7Only record measurements for measurement interval of ≤ 20 ms

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8Full-scale value for each measurement range

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9Approx. 3 dB bandwidth

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10 Specify connector for optical connector option supplied as standard accessory. If connector not specified, FC (Option 37) supplied as standard.

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MA9901A Fiber Adapter

Fiberø250µm strand (Clad diameter: ø125 mm)Dimensions and mass 20 (W) x 22.5 (H) x 29.5 (D) mm, ≤ 30 g

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