Terahertz Technologies Inc.Terahertz Technologies Inc.
(888) U.S.-OTDRS

The TTI FTE-7500A-131516ACT OTDR offers a standard SM OTDR at 1310/1550nm, an in service OTDR at 1625nm, a fiber optic inspection scope with probe, a broadband autotest loss test set and a visible fault locator. This fast, easy to use, affordable and rugged OTDR boasts all these features at a most affordable price. It has a short dead zone, bright 4” color display and an onboard context sensitive help system that keeps the learning curve for all users to a minimum. The 1/2 second trace updates and great dynamic range make this unit perfect for maintenance and trouble shooting. The TTI FTE-7500A PON OTDR weighs in at less then 2.0 pounds with a hardened water resistant enclosure, this OTDR is great for all conditions. The rubber boot with bail will add protection and provides the ideal angle for viewing the display while operating most anywhere. TTI offers an optional soft carry case with shoulder strap that has a pouch for keeping your video probe close, a second removable accessory pouch and the cover also serves as a stand to keep the unit in a good working position. With its advanced capabilities and ease of use, this unit can be appreciated by novice and seasoned users alike.


35 dB Dynamic Range
Active 1625 Port for Live Fiber Testing
Instant On
1 Meter Dead Zone
Event Table with Pass/Fail Feature
Trace Overlay Capability
Onboard Memory for ~500 traces
Auto Test Power Meter
Stable Light Source
Built in Video Inspection Scope
Visible Fault Locator
USB Flash Drive Port and Mini USB Port
Context Sensitive Help
Light Weight Rugged Enclosure

Easy To Read Color Display

CertSoft Report Software
Long Battery Life


Ordering Information
FTE-7500A-131516ACT 1310/1550/1626 PON OTDR with Active 1625nm port
FTE-SCASE-LG  Soft Case for FTE-7500, FTE-6000 and FTE-8000 Series
CI1100 Video Probe for FTE7500 and FTE-8000 Series



FTE-7500A-PON Specifications
 Wavelength 1310, 1550 and 1625nm ±20nm
 Dynamic Range 35/34/34dB
 Pulse Width   5 - 20,000 ns
 Units of Measurement  km, kf, mi
 Event Dead zone 1m
 Attenuation Dead Zone   5m
 Resolution   .125 - 32m
 Distance Uncertainty  ±(0.75m + 0.005% x distance + sampling resolution)
 Full Scale Distance Range  1-64km MM ,  1-240km SM
 Typical Real-time Refresh Rate  2 Hz
 Group Index of Refraction (GIR)  1.024  -  2.048
 Linearity  ± .05 dB/dB
 Memory Capacity   ~500
 Memory Type  Internal and Flash Drive
 Power Supply / Charger Universal 110-220V witn Interchangeable Mains
Battery  8hr
Storage Temperature -20 to 60 C
Operating Temperature Range -10 to 50 C
Dimensions (w/out rubber boot ) 7.75” L x 4.5” W x 2.25” H     (197mm L x 114mm W x 57mm H) 
Weight  2 lbs
Communications ports USB and USB Flash Drive Ports
Connector Styles FC, ST, SC Interchangeable
Accessories Provided Universal Power Adapter w/US, UK, Continental Europe, and Australian Plugs, Interchangeable FC/ST and SC Adapters, Windows/Telcordia SR4731 Software, Rubber Boot and Manual on Flash Drive


Power Meter Specifications
Detector Type InGaAs
Connector Type 2.5mm Interchangeable
Dynamic Range +5 to -77dB (CATV - +25 to -57dB)
Calibrated Wavelengths 850,1300,1310,1490,1550,1625nm
Units of Measurement dBm, dB
Resolution .01 dB
Power Measurement
± 0.18 dB under reference conditions
± 0.25 dB from 0 to -65 dBm
± 0.35 dB from 0 to +5 dBm and from -65 to -77 dBm
Auto Test Range 0 to -40dB


CW Source Specifications
 Fiber Type   Single mode, Multimode
Wavelengths 850, 1300, 1310, 1550, 1625 nm   ±20nm
Output Power 0 dBm  (-3dBm @ 1625nm)
Laser Safety Classification Class I Safety Per FDA/CDRH and IEC-825-1 Regulation
Modulation Modes CW, 270 Hz, 1000 Hz, 2000 Hz


Visible Light Source
Emitter Type Laser
Wavelength 650nm ±5nm
Laser Safety Class Class IIFDA21 CFR1040.10 &1040.11 IEC 825-1: 1993
Connector Type 2.5mm Universal
Output Power 1mW Max.

Request a Quote