GJ.026 EVA50 Digital Variable Optical Attenuator
Handheld digital variable optical attenuator for single-mode fiber, calibrated at 1310nm, 1490nm and 1550nm, with LCD display, 0.1 dB resolution and ranges of 40 dB, 60 dB or 80 dB.
Description
Overview
The GJ.026 EVA50 is a compact and rugged portable optical variable attenuator with a digital attenuating mode and an LCD display.
It is calibrated at 1310nm, 1490nm and 1550nm and comes in 40 dB, 60 dB and 80 dB attenuating ranges for single-mode fiber.
GJ.026 EVA50 Key Features
- Most compact and rugged portable attenuator on the market
- Three wavelengths: 1310nm / 1490nm / 1550nm
- Different attenuator range, 40dB, 60dB or 80dB
- Can save current value as reference
- Can save 10 tracks attenuation value
- Energy save mode
GJ.026 EVA50 Specifications
| Parameter | Specification |
|---|---|
| Model | EVA50-40 / EVA50-60 / EVA50-80 |
| Attenuating Range | 40 dB (SM) / 60 dB (SM) / 80 dB (SM) |
| Calibrated Wavelengths | 1310nm / 1490nm / 1550nm |
| Fiber Mode | SM |
| Attenuating Mode | Digital |
| Display Resolving Power | 0.1 dB |
| Display | LCD, 128*64 |
| Max Input Power | + 28 dBm |
| Return Loss* | > 40 dB |
| Insertion Loss* | < 2.5 dB |
| Connector | FC/PC (or customize) |
| Uncertainty | 0.5 dB |
| Repeatability* | 0.2 dB |
| RS-232 | Optional |
| Auto Power Off | No operation in 10 minutes (can be canceled), Low battery energy |
| Battery Charge | Yes |
| Operate Time | Above 20 hours |
| Power Supply | 3 * AA batteries or AC/DC adapter |
| Size(H*W*D) | 190mm * 90mm * 40mm |
| Weight | About 450g |
| Storage Temperature | -20 — +60 , < 90%RH |
| Operating Temperature | -10 — +50 , < 90%RH |
Applications
- Balancing optical power levels in fiber links
- Receiver overload protection during testing
- BER testing and system margin simulation
Packing & Shipping
Clients often worry about transit damage?
Our sturdy packaging puts those fears to rest. For different products we use waterproof film, foam protection, palletizing, wooden frame securing and cable reels. This ensures safe and reliable transport.
Packaging
Shipping
Payment
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We accept currencies like USD, RMB, EUR, RUB, and more.
