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Optical Power Meter -70 dBm to +3 dBm

Product ID CT34

Technical summary

  • Measuring range of -70 dBm to +3 dBm.
  • Flag of the state of the battery.
  • Auto-calibrated automatic.
  • Visor LCD retro-illuminated for night viewing.
  • Measures optical power in dBm or mw.
More info
Product available. Delivery time 1-3 days. 2 years warranty. 14 days return period.
  • Description
  • Sizes
  • Related
  • Tech FAQs

Optical power meter (Optical Power Meter) to perform tests on fiber optic cables in a range of -70 dBm to +3 dBm. It is a compact and portable device, protected with a rubber case to prevent shock.


  • Measurement range from -70 dBm to +3 dBm.
  • Battery status indicator.
  • Automatic auto-calibration function.
  • Retro LCD viewfinderilluminated for night viewing.
  • Optical power measurements in dBm or mw.
  • Insertion loss measurements in dB.
  • Wavelength range from 800 nm to 1700 nm.
  • Detector type: InGaAs.
  • Optical connector: FC/PC.
  • Automatic shutdown in 10 minutes of non-use.
  • It works with 3 batteries of type AA.
  • Operating time of 130 hours with new and quality alkaline batteriesd.
  • Size: 200 x 90 x 50 mm.
  • Supplied with padded carrying case, batteries and cleaning wands.


Weight: 0.65 Kg.
Number of packages: 1
This product is not available with different sizes
Color unspecified

[!] Weights, sizes, colors and shapes are only approximate and may differ from those represented, although the functionality of the product never differ with those specified

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Technical terms used
  1. dBm

  2. Types of batteries


The dBm (sometimes also dBmW or decibel-milliwatt) is a unit of measurement of power expressed in decibels (dB) relative to one milliwatt (mW). It is used in radio networks, microwave and optical fiber as a convenient measure of absolute power because of their ability to express both very large and very small values ??in short form. It is distinct from dBW, which refers to one watt (mW 1,000). Typical values:
  • 21 DBM-> 125 MW> Maximum output power for a mobile phone UMTS/3G (phone power class 4).
  • 15 DBM-> 32 MW> Typical power transmission WiFi laptops.
  • 0 DBM-> 1.0 mW = 1000 ?W-> Standard Bluetooth Class 3 coverage 1m.
  • DBM- -10> 100 ?W-> Typically the maximum Potentiometeria that can be received on a wireless network (-10 to -30 dBm).
  • -194 DBM-> 0.00004 AW-> thermal noise bandwidth of 1 Hz in outer space (4 kelvin).

Fuente de la información sobre DBM:

Types of batteries

Within the wide range of batteries on the market we can differentiate two large groups, disposable batteries and rechargeable batteries.
Disposable batteries are those that only allow a single use and when they are exhausted they can not be recharged. These batteries can store their energy for years.

Rechargeable batteries are those that can be recharged once exhausted. This type is losing charge when they are storedaccording to voltage. The most common we can find them of 1.2V and 3.7V

As a last point you have to take into account that lithium batteries, Lipo, Life etc. Due to its composition, specific loaders should be used.

Types of batteries

Cablematic Dos Mil SLU, Santander 61, 08020 Barcelona (Spain) - Hours: 08:00 to 17:00 Monday to Friday
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