Noyes OPM4 4D
OPM 4 Optical Power Meter
The OPM 4 optical power meter may be used to measure optical power in Premises,
Telco, or Broadband fiber optic networks. When used with an LED or Laser light source,
the OPM 4 also measures insertion loss of multimode or single-mode cables. The OPM 4
offers Wave ID, automatic wavelength identification and switching, when used with the
OLS 1 Dual or OLS 2 Dual or OLS 4 with Wave ID feature. Multiple test Tone detection is
provided for fiber identification. The OPM 4 stores optical references for each calibrated
wavelength. An easy to read Dual Wavelength LCD display with Backlight shows measured
power [dBm or µW] or insertion loss [dB], calibrated wavelengths, tone signal [Hz], wavelength ID, and the battery charge status. In addition to being powered by two AA alkaline,
the OPM 4 can be powered by optional AC adapter and/or rechargeable NiMH battery
pack. The OPM 4 optical input port accepts Noyes thread-on style adapter caps. Adapter
caps are required for operation and must be ordered separately. The OPM 4 is fully N.I.S.T.
traceable.
Features
• Rugged, handheld, lightweight
• Multimode or single-mode applications
• Premises (Ge), Telco (InGaAs), and
Broadband (+26 dBm) models
• Wave ID - automatic wavelength identification and switching
• Passive Optical Networks (PON) testing
• Dual Wavelength testing
• 270 Hz, 330 Hz, 1 kHz, and 2 kHz Tone
detection
• Large LCD with Backlight
• Power measurements in dBm or µW;
insertion loss in dB
• Reference power level storage
• AA alkaline, optional rechargeable NiMH
battery pack
• Battery Gauge
• N.I.S.T traceable
Specifications
Optical
OPM 4-1D
OPM 4-2D
OPM 4-3D
OPM 4-4D
Calibrated
wavelengths (nm)
660, 780,
850
850, 1300,
1310, 1550
850, 1300,
1310, 1550,
1625
850, 980,
1310, 1490, 1550,
1625
Detector type
Silicon (Si)
Germanium (Ge)
InGaAs
Filtered InGaAs
Measurement range (dBm)
+6 to -70
+6 to -60
+6 to -70
+26 to -50
Tone detect range (dBm)
+6 to -45
Wavelength ID range (dBm)
+6 to -50
+6 to -45 for 850nm
+6 to -30
+6 to -25 for 850nm
+6 to -50
+6 to -45 for 850nm
+6 to -30
+6 to -25 for 850nm
Accuracy (dB)*
± 0.25
Resolution (dB)
0.01
Measurement units
General
dB, dBm, µW
Power
2 x AA batteries, optional NiMH
300 hours
Battery life (2 x AA)
Operating temperature
-10 to 50°C, 90% RH (non-condensing)
Storage temperature
-30 to 60°C, 90% RH (non-condensing)
Size (H x W x D)
5.5 x 3.2 x 1.5 in (14.0 x 8.1 x 3.8 cm)
0.58 lb (0.26 kg)
Weight
*Accuracy measured at 25ºC and -10 dBm per N.I.S.T. standards.
All specifications at 25°C
Ordering Information
Model
Includes
All OPM 4 models
Carry case, AA batteries, protective rubber boot, and manual.
Optical light sources and optical power meters can be packaged together as a kit.
Test & Inspection
© 2004, AFL Telecommunications, all rights reserved. OPM4-30-2000 Revision A, 5.06.05
Specifications are subject to change without notice.
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