Multimode Variable Fiber Attenuator 50u KI7020B
The KI 7020B hand held Fiber Optic Variable Attenuator is a precision handheld instrument commonly used for testing 50u multimode mode fiber systems for optical system margin and linearity. Superior specifications, high productivity and remote control capability also make this a genuine laboratory grade instrument. An additional typical application is as a passive adjustable attenuator pad in a transmission system.
- Easy to use, accurate & productive instrument
- Excellent linearity and absolute loss accuracy
- Power handling to >+30 dBm / 1000 milliwatts
- Broadband, flat λ response
- Low minimum insertion loss
- Excellent ORL & PMD characteristics
- Supplied with metal free SC, ST, LC interchangeable connectors
- Remote control (Labwindows) software
- Set attenuation is unaffected by power on/off status
- Very long battery life
KI7020B specifications
Fiber type | 50 /125 µm |
Range | 3.0 ~ 60.0 dB |
Resolution | 0.05 dB |
Linearity / Repeatability | 0.2 dB |
Absolute uncertainty | 0.5 dB |
Power capability | +30 dBm |
Optical return loss (ORL) | 60 dB |
Polarization dependent loss (PDL) | < 0.1 dB |
Thermal stability over temperature | ±0.02 dB |
Operating wavelength range | 700 ~ 1400 nm |
Nominal Calibration wavelengths | 850, 1300 nm |
Wavelength dependence (850 ~ 1300 nm) | < ±0.5 dB up to 20 dB |
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General KI 7010 Series Variable Optical Attenuator specifications
Calibration validity (ISO17025) | 3 years |
Interface | RS232 (3.5mm jack connector, default baud 9.6K) |
Power | batteries or external |
Battery type | 2x C (R14) Alkaline |
Battery life | 7.6 A/Hour |
External power | 9~12 V DC with ID2.5mm(+ve)-OD5.5mm-plug |
Auto off | Selectable |
Case | Polycarbonate, 1-meter drop tested, with captive caps |
Size | 190 mm x 130 mm x 70 mm |
Unit weight | 0.52 kg |
Shipping weight | 1.5 Kg |
Operating / storage temperature | -15 to 55 °C / -25 to 70 °C |
Relative humidity | 0 ~ 95 % |
Warranty | 3 years |
In the box

Hybrid ST Connector Adaptor OPT040
ST
USD $18.48
In stock
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SC Through Connector OPT046
SC.
KI2600 power meters can use this adaptor for testing duplex SC connectors, other instruments use OPT081
USD $15.73
In stock
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Hybrid LC Connector Adaptor OPT076
LC Simplex, metal body.
USD $47.69
In stock
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Wrist Strap / Lanyard for KI Products
(POA)

RS232 cable
(POA)

Battery Size Adaptor AA-to-C
(POA)

Kingfisher Attenuator Remote Control Software
Downloadable from Kingfisher website for free.
(POA)

Quick Reference Guide QRG
(POA)

Instrument User Manual
(POA)

Quality Assurance Certificate
(POA)

Calibration Certificate ILAC/NATA Compliant
(POA)
Optional accessories

Carry Pouch for KI7000 Series Instruments OPT143
Cases, cleaning tools, test leads, accessories and consumables.
USD $83.87
In stock
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Semi-Rigid Carry Case for Test Kits OPT153-CASE
Canvas case with foam compartments for 2x KI2000 or KI7000 series instrument, 3x KI9000 series instrument and other accessories.
USD $264.64
In stock
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