Descrizione
Light Travels at 299,792,458 Meters Per Second. Finding Where It Stopped Requires a Different Kind of Precision.
A fiber break at kilometer 73 on a live GPON trunk does not announce itself. There is no blinking LED, no error message on the OLT. What there is — is a neighborhood of angry customers and an ISP field technician driving toward a needle in a 100-kilometer haystack. The 100KM Pro Mini OTDR transforms that blind search into a measured, deterministic operation. This handheld optical time-domain reflectometer sends calibrated laser pulses down the fiber and reads the backscatter signature with sub-meter resolution — locating breaks, splices, connectors, and macro-bends within seconds of connecting to the line.
Designed for field use in FTTH/PON deployments, the 100KM Pro weighs under 1kg yet delivers a 100km measurement range with 32dB dynamic range — territory that once required a bench-top instrument at five times the size and cost. Its live-fiber testing mode works on active GPON/EPON networks without disrupting customer traffic, using a filtered 1625nm or 1650nm wavelength that rides above the 1490nm/1550nm data channels. The integrated VFL (Visual Fault Locator) provides instant visual break identification for patch panels and connector trays. Every trace auto-saves to the 8GB internal memory, with USB and Wi-Fi export for report generation back at the office.
Key Features
- ✦ 100km maximum measurement range with 32dB dynamic range at 1550nm
- ✦ Live-fiber PON testing at 1625nm/1650nm — no service interruption on active GPON/EPON networks
- ✦ Sub-meter event dead zone for precise splice and connector loss measurement
- ✦ Integrated 10mW VFL with 2.5mm universal adapter for quick patch-panel fault location
- ✦ 7-inch sunlight-readable touchscreen with glove-compatible capacitive touch layer
- ✦ Auto-OTDR mode — one-button measurement with automatic event detection and pass/fail analysis
- ✦ 8GB internal storage + Wi-Fi export for SOR trace file generation and report delivery
Technical Specifications
- Model: 100KM Pro Mini OTDR
- Wavelengths: 1310/1550nm (SM), optional 1625nm or 1650nm filtered for live PON
- Dynamic Range: 32/30dB (1550/1310nm)
- Event Dead Zone: ≤3m
- Attenuation Dead Zone: ≤10m
- Distance Accuracy: ±(1m + 0.0025% × distance + sampling resolution)
- Display: 7-inch color LCD, 800×480, touchscreen
- Battery: 4400mAh rechargeable Li-ion, 8+ hours continuous testing
- Connector: FC/UPC (standard), SC/LC adapters included
- Storage: 8GB internal, USB 2.0 + Wi-Fi for data export
Application Scenarios
ISP field technicians use the 100KM Pro as their primary fiber qualification tool during FTTH rollout — certify each distribution segment before splicing the drop cable, and generate a trace report that becomes part of the customer installation record. Telecom maintenance crews carry it on preventive inspection rounds, running annual OTDR traces on long-haul backbone fibers to detect degradation before it becomes a customer-affecting outage. Data center engineers use it during greenfield builds to verify every trunk cable before patching — the auto-OTDR mode reduces verification time from 15 minutes per link to under 60 seconds. Military and utility network operators value its live-fiber testing capability, which lets them monitor fiber health on active circuits that cannot be taken offline for scheduled maintenance windows.
Frequently Asked Questions
Q: Can this OTDR test through a live GPON splitter?
A: Yes, with the 1625nm or 1650nm filtered port option, the OTDR can test through up to a 1:64 split ratio on a live GPON network. The filtered wavelength bypasses the ONT receiver filters without disrupting downstream traffic.
Q: What is included in the standard kit?
A: The standard kit includes the OTDR main unit, FC/UPC adapter, SC and LC interchangeable adapters, AC charger, USB cable, stylus, carry case, and user manual. A launch fiber box is recommended but sold separately.
Q: Is the 100km range realistic in the field?
A: The 100km specification assumes 1550nm wavelength on G.652 single-mode fiber at 0.20 dB/km attenuation. In practice, your range depends on total link loss from splices, connectors, and splitter insertion loss. A typical PON link with one 1:32 splitter will see 60-80km effective range.
Q: Can I export traces to third-party software?
A: Yes, the OTDR exports SOR (Bellcore GR-196) format trace files via USB or Wi-Fi. These files are compatible with industry-standard OTDR analysis tools including EXFO FastReporter and VeEX V-Sam.
Q: Does it support multimode fiber?
A: No, this OTDR is designed for single-mode (SM) fiber at 1310/1550nm. For multimode fiber testing at 850/1300nm, a separate MM OTDR module or instrument is required.
Q: How long does the battery last in the field?
A: The 4400mAh battery provides approximately 8 hours of continuous testing at 25 degrees C. In cold-weather field conditions below freezing, expect 5-6 hours. A full charge from empty takes roughly 3 hours via the included USB-C charger.
Q: Can this OTDR tell a bad mechanical splice from a good fusion splice?
A: Yes. The high-resolution event detection with 3m dead zone distinguishes between a fusion splice (typically under 0.1dB loss, appearing as a minor trace step) and a mechanical splice or dirty connector (0.5-1.5dB loss with a reflective peak). The auto-event table labels each event by type for field prioritization.
Customer Reviews
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