Deviser EP710B Optical Power Meter

OPM + Light Source + VFL • Handheld Fiber Optic Testing Device

The Deviser EP710B Optical Power Meter is a versatile all-in-one handheld fiber optic testing device designed for professional installation, maintenance, and troubleshooting of CATV, FTTx, and PON networks.

It integrates an Optical Power Meter, Light Source, and Visual Fault Locator (VFL) in one compact tool, helping technicians perform accurate optical power measurement, signal testing, and fiber fault detection in the field.

Measurement Range

-50 ~ +26 dBm

Accuracy

±0.17 dB

VFL Output

1mW

Battery Life

100h+

Key Features

✔ Optical Power Meter, Light Source and VFL in one device

✔ Wide measurement range from -50 to +26 dBm

✔ High accuracy up to ±0.17 dB / ±3%

✔ Multiple calibrated wavelengths for fiber testing

✔ Auto wavelength detection support

✔ Tone detection at 270Hz, 1kHz and 2kHz

✔ Long battery life for field operation

✔ Compact handheld design under 300g

Technical Specifications

Parameter	Specification
Product Type	Optical Power Meter + Light Source + Visual Fault Locator
Measurement Range	-50 to +26 dBm
Accuracy	±0.17 dB (±3%)
Resolution	0.01 dBm (dBm, mW, µW, nW)
Calibrated Wavelengths	850 / 980 / 1300 / 1310 / 1490 / 1550 / 1610 / 1625 / 1650 nm
Auto Wavelength Detection	850 / 1310 / 1490 / 1550 / 1610 nm
Tone Detection	270 Hz / 1 kHz / 2 kHz
Connector Type	FC / SC Default, ST / LC Optional
Visual Fault Locator	1mW Output
Power Supply	2 × AA Batteries / AC 100–240V with DC 5V Adapter
Battery Life	>100h Power Meter / >40h Light Source / >10h VFL
Operating Temperature	-10°C to +60°C
Dimensions	185 × 85 × 45 mm
Weight	<300 g without batteries

Applications:

CATV Network Testing • FTTx Installation • PON System Maintenance • Optical Power Measurement • Fiber Troubleshooting • Telecom Field Testing • ISP Maintenance • Data Center Fiber Testing