Exfo IQS-3150 Variable Attenuator
The EXFO IQS-3150 Variable Attenuator provides precision control of optical signal levels. It allows adjustable attenuation in test setups, helping simulate real-world loss conditions in fiber networks.
- Model
- Exfo IQS-3150
- Calibration
- Available on request
- Price
- $3,570
- Status
- In stock
- RFQ ref
- IQS-3150
This unit
The EXFO IQS-3150 Variable Attenuator is a precision optical attenuation module engineered for signal level control in fiber optic test and measurement environments. This module delivers spectral uniformity of ± 0.03 dB and operates across singlemode and multimode fiber platforms, making it ideal for BER testing, system verification, and EDFA characterization.
Technical Specifications
Fiber Type Compatibility: Singlemode (9/125 µm) and Multimode (50/125 µm or 62.5/125 µm)
Spectral Uniformity: ± 0.03 dB
Return Loss (ORL): Compliant with transmission equipment standards
Control Modes: Standard attenuation and self-adjusting output power mode
Operating Control Options: Absolute, relative, and X+B (user calibration offset) modes
Key Features The IQS-3150 incorporates a highly efficient optomechanical design with only two moving parts, ensuring long-term durability in demanding 24/7 production environments. The module has been validated through rigorous testing simulating extended operation in typical BER testing conditions. An optional integrated power meter enables direct output power level setting, eliminating the need for external measurement equipment. In self-adjusting mode, the attenuator automatically compensates for source power fluctuations, maintaining stable conditions at the device under test. The X+B control mode provides wavelength-independent offset correction for setup losses and wavelength-specific calibration factors to account for patchcord and connector losses.
Typical Applications
Bit Error Rate (BER) testing
Optical system verification
Erbium-Doped Fiber Amplifier (EDFA) gain and noise characterization
Compatibility & Integration The IQS-3150 supports local control via IQS Manager software and remote control through GPIB, RS-232, and Ethernet TCP/IP. SCPI commands and LabVIEW drivers enable integration into automated test environments.
Exfo IQS-3150 — Repair & Calibration Service
Aumictech offers NIST-traceable calibration and repair for the Exfo IQS-3150. Calibration covers attenuation accuracy at 5 or more set values across the full range (0 to rated maximum dB), attenuation linearity, wavelength-dependent attenuation at 1310 nm, 1490 nm, and 1550 nm, insertion loss at minimum attenuation (0 dB position), and polarization-dependent loss (PDL) where applicable. All calibrations ship with a NIST-traceable certificate. Turnaround is typically 1–3 business days after receipt.
Common Exfo IQS-3150 faults: motor and gear mechanism wear (attenuation steps or loss of smooth control), optical port contamination, EEPROM calibration data corruption. Most common faults are motor or gear mechanism wear on variable attenuators causing attenuation steps or loss of smooth control, optical port contamination reducing dynamic range, and EEPROM calibration data corruption on digitally controlled models.
Exfo IQS-3150 price
This Exfo IQS-3150 is listed at $3,570. Calibration is available separately from $450. Contact us for volume pricing or if you need multiple units.
Exfo IQS-3150 calibration cost
NIST-traceable calibration for the Exfo IQS-3150 is $450 (standard — pass/fail certificate and calibration sticker) or $650 (full measured data at every test point, reference standards documented, traceability chain included). Calibration for this instrument covers attenuation accuracy at 5 or more set values across the full range (0 to rated maximum dB), attenuation linearity, wavelength-dependent attenuation at 1310 nm, 1490 nm, and 1550 nm, insertion loss at minimum attenuation (0 dB position), and polarization-dependent loss (PDL) where applicable. Turnaround is 1 to 3 business days after receipt. See full calibration details →
