Model FOT-302 FOT-302X
Power meter port
b
Ge GeX
Power range (dBm)
c
10 to —60 26 to —50
Range displayed (dBm) Down to —65 Down to —50
Number of calibrated wavelengths
d
10 10
Power uncertainty
e
± 5 % ± 1 nW ± 5 % ± 10 nW
Resolution (dB) 0.01
f
0.01
g
Automatic offset nulling
h
Yes Yes
Warmup time (s)
h, i
0 0
Display units dB/dBm/W dB/dBm/W
Automatic wavelength recognition
j
Yes Yes
Screen refresh rate (Hz) 3 3
Tone detection (Hz) 270, 1 k, 2 k 270, 1 k, 2 k
Battery life (hours) (typical) 260 260
Warranty and recommended calibration interval (years) 3 3
Model
k
23BL 12D 235BL
Central wavelength (nm) 1310 ± 20 850 ± 25/ 1310 ± 20
1550 ± 20 1300 + 50/—10 1490 ± 10
1550 ± 20
Spectral width (nm)
l
) 5 50/135 ) 5
Output power (dBm) * 1/* 1
* —20/* —20 (62.5/125 +m) * 1/* —4.5/*—3
Power stability (dB)
m
8 hours ± 0.1 ± 0.1 ± 0.1
Battery life (hours)
n
120 120 120
Automatic wavelength recognition Yes Yes Yes
Tone generation (Hz) 270, 1 k, 2 k 270, 1 k, 2 k 270, 1 k, 2 k
Warranty and recommended calibration interval (years) 3 3 3
SPECIFICATIONS
a
GENERAL SPECIFICATIONS
Size (H x W x D) 185 mm x 100 mm x 55 mm (7
1
/
4
in x 4 in x 2
1
/
8
in)
Weight 0.4 kg (0.9 lb)
Temperature operating —10 °C to 50 °C (14 °F to 122 °F)
storage —40 °C to 70 °C (—40 °F to 158 °F)
Relative humidity 0 % to 95 % non-condensing
STANDARD ACCESSORIES
User guide, Certificate of Calibration, instrument stickers in six languages,
AC adapter, EUI-XX, connector adapter (FOA-XX), three AA batteries, wrist
strap, alcohol cleaning pads.
SAFETY
21 CFR 1040.10 and IEC 60825-1:1993+A1:1997+A2:2001:
CLASS 1 LASER PRODUCT CLASS 1 LED PRODUCT
NOTES
a. Guaranteed unless otherwise specified.
b. All specifications valid at 1550 nm and 23 °C ± 1 °C, with
an FC connector.
c. In CW mode; sensitivity defined as 6 x rms noise level.
d. Wavelengths: 830 nm, 850 nm, 980 nm, 1300 nm, 1310
nm, 1450 nm, 1490 nm,
1550 nm, 1590 nm and 1625 nm.
e. Traceable to national standards; FOT-302X: up to 20 dBm.
f. From 10 dBm to
—
50 dBm.
g. From 26 dBm to
—
35 dBm.
h. Power of > —40 dBm for FOT-302, and of >
—
25 dBm for
FOT-302X.
i. For ± 0.05 dB, from 18 °C to 28 °C.
j. At 850 nm, 1300 nm, 1310 nm, 1490 nm, 1550 nm and
1625 nm; power > —50 dBm for FOT-302, and
> —40 dBm (typical) for FOT-302X.
k. All specifications valid at 23 °C ± 1 °C, with an FC
connector.
l. rms for lasers and —3 dB width for LEDs; typical values for
LEDs.
m. After 15 minutes warmup; expressed as ± half the difference
between the maximum and minimum values measured during
the period, with an APC connector on the power meter.
n. Typical autonomy in Auto mode.