Grandway Optical Loss Test Set(Multimeter) FHM2B02

series of optical multimeters of Grandway FHM2 Series combine Power Meter and light source of 3 wavelengths for testing optically installations and quality measurements

Power Meter

• wavelength: 850/1300/1310/1490/1550/1625
• Connector: FC/SC/ST
• Inner memory: 999 records
• Reference value: Yes
• Displayed units: db/dbm/mw/µw
• displayed accuracy (db): 0.01
• Accuracy: ± 0.2dB ± 1NW
• Recognition of wavelengths: 1310/1490/1550 (Input Power?-20dbm)
• Tone detection: 270 Hz/1kHz/2kHz (Input Power?-20dbm)
• measuring range (dbm):-50 to +26

light source

• wavelength (nm): 1310/1490/1550
• Connector: FC/SC/ST
• modulation frequency: 270/1k/2k Hz
• Output power:-5dbm ± 0.5db

Stability:

• long-term (8h) ± 0.1db @1310/1550nm; ± 0.2db @ 1490
• short-term (15min) ± 0.05db @ 1310/1550nm; ± 0.1db @1490
• Recognition of wavelength: Yes

properties

• Automatic shutdown: Yes
• Power supply: 2pcs NIHM 1.2V, 2000mAh; AC/DC adapter
• interface: USB
• Operation time:> 100 Hours (when the light source is off)
• storage temperature:-20 ~+70?
• Operating temperature:-10 ~+50?
• Moisture: <90# i6per# (non-condensing)
• Dimensions (mm): 168*76*43
• Weight (g): 310