ένα καταπληκτικό όργανο

[KOKAR]

σε πολύ ελκυστική τιμή !

http://www.ebay.co.uk/itm/Frequency-...item2a256e1a16

1. Cymometer,Frequency Meter

• Use 8 bit Microchip PIC16F876A,up to 1.1GHz
• Gate time
  0.01 seconds
  0.1 seconds
  1.0 seconds
  
• Measuring channels ( high and low channels are high impedance )
  
  

1)Low channel

Measuring range : 0.1MHz ~ 75MHz
Measurement accuracy:
± 100Hz ( 0.01 seconds gate )
± 10Hz ( 0.1 seconds gate )
± 1Hz ( 1.0 seconds gate )
Sensitivity:
0.1MHz ~ 10MHz: better than 50mVPP
10MHz ~ 60MHz: superior to 50mVPP
60MHz ~ 75MHz: not tested

2)High channel frequency (64 points )

Measuring range : 10MHz ~ 1.1GHz
Measurement Accuracy : ± 6400Hz (0.01 seconds gate )
± 640Hz ( 0.1 seconds gate )
± 64Hz ( 1.0 seconds gate )
High channel sensitivity : 10MHz ~ 30MHz: better than 100mVPP
30MHz ~ 60MHz: superior to 50mVPP
60MHz ~ 1.1GHz: not tested
Automatic channel is automatically selected based on the frequency of the input signal level of channel


Crystal measuring channel
Measuring range : 1 MHz ~ 50 MHz ( the most low-end and highest end untested )


3) . Frequency reference
5032 package 13.000 MHz Warming voltage controlled crystal oscillator ( VC - TCXO) , frequency stability is ± 2.5 ppm

• 2. Micro Power Meter
• Input power range : -60 ~ +30 dBm (1 nW ~ 1 W)
• the l input frequency range : 1 kHz ~ 500 MHz
• measurement accuracy : not tested
• four-digit display

3. Capacitance inductance Meter

• Inductance measuring range : 0 ~ 10 mH
• capacitance measuring range : 0 ~ 0.1 uF
• Accuracy: better than 2%
• standard capacitance setting range : 1000 ± 127 pF
• four-digit display

4. Other Parameters

• working voltageDC input: DC 9V ~ 16V battery voltage: 7.4V Li-ion
  
• working currentThe backlight is enabled: ≤ 110 mA backlight disabling: ≤ 90 mA
  
• charging voltageDC input: DC 12V 16V
  
• charging current
  The charging current: 125 mA, about 5 hours (full test environment: EU 7.4V 600mAh Li-ion)
  
• physical dimensionsLength * width * height: 70mm Χ 47mm Χ 21mm
  
• Board interfaceINPUT A (frequency measurement signal interface): SMA-KWE (outer screw needle)
  INPUT B (voltage power measuring signal interface): SMA-KWE (outer screw needle)
  ICSP INPUT (MCU programming interface): XH2.54-6P bend needle socket
  POWER INPUT (external power interface): Φ 3.5mm DC socket (positive and negative)
  7.4V Li-ion (internal battery interface): XH2.54-2P bend needle socket
  L/C IN (capacitance / inductance test interface): round 2P socket & square (2P socket can be connected with measuring the extension line)
  CRYSTAL IN (crystal test interface): round 2P socket & square (2P socket can be connected with measuring the extension line)
  

[JOUN]

Παντως για τον πωλητη επειδη προσφατα πηρα απ'αυτον ενα τροφοδοτικο εχω να πω τα καλυτερα..

[DIMITRIS______TH______]

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