User Manual
www.joinwit.com
2
ii、Technical Specifications
①
Instrument model
parameters
JW3209A
JW3209C
Power meter
Calibration
wavelength(nm)
850、1300、 1310、1490、1550、1625
Testing range(dBm)
-70~+6
-50~+26
Display resolution(dB)
0.01
Uncertainty(dB)
≤±0.25
linearity(dB)
≤±0.1
Frequency indentification
range
<10K
Source
Working wavelenght(nm)
1310/1550(customizable)
Typical Output Power(dBm)
-5(customizable)
Stability(dB,30min,20℃)
≤0.1dB
Modulation frequency (Hz)
CW,270Hz,1KHz,2KHz
Other parts
Power supply
3*AA 1.5Vbattery / Mini USB 5Vadapter
Auto-off time (min)
10
Battery continuous
operation time
②)
(h)
Source ON≥50,source off≥200
Communication Interface
Mini USB
Working temperature(℃)
-10~+60
Storage temperature(℃)
-25~+70
size(mm)
175×90×44.5
weight(g,not including
battery)
265
Notes:650 optional red light mode
① : Tested in T=23±2℃
② : Battery operating time is tested when the backlight is off, otherwise the working
time will be shorter










