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Protek-U2000A

 

Universal Counter

Features

  • Built-in High Stability Crystal Oven Oscillator
  • Multi-functional Measurement and Auto-correction
  • 8 DIGIT LED
  • Large Bandwidth
  • Time Step Measurement
  • 10MHz OUT

Specification

  • CH A Measurement (FREQ. A LOW/FREQ. A HI)

 Range

0.1Hz~10MHz:10Hz~10MHz (DC Coupling)
10Hz~10MHz:10Hz~10MHz (AC Coupling)

 Input Voltage
 Degrader 1/1
 Degrader 1/10

25mV ~ 1Vrms(0.1Hz~100MHz)
(Vp-p = 2 2Vrms)
250mV ~ 10Vrms(0.1Hz~100MHz)

 SLOPE

+, - (PULL)

 LP FILTER

About 100KHz

 Endurance Voltage

250V (DC+AC peak)

 TRIGGER LEVEL

-350mV~+350mV (PRESET OVEN)

 GATE Time

0.01s, 0.1s, 1s, 10s 4 Step

 Accuracy

±1 count ±time base error

 Units

LO MODE : KHz
HI MODE : MHz 

  • CH C Measurement (FREQ. C)

Range

100MHz ~ 1000MHz

Input Voltage

25mV ~ 1Vrms
100MHz ~ 2000MHz 

Endurance Voltage

4Vrms

Input Impedance

About 50 Ohm

Input Coupling

AC

GATE Time

0.0256s, 0.256s, 2.56s, 25.6s, 4 Step

Accuracy

±1 count ±time base error

Units

MHz 

  • RATIO A/B Measurement

Range

CH A Input (10MHz ~ 100MHz)
CH B Input (0.1Hz ~ 10MHz) 

Magnification

1, 10,100,1000 (4 MODE)

Resolution

±FREQ.B / (FREQ.A x MAG)

CH B Input Capability

 

Input Impedance

About 1M Ohm 3pF or less

SLOPE

+, - (PULL) 

LP FILTER

About 100KHz, 3dB

Endurance Voltage

250V(DC+AC peak)

Degrader

1/1, 1/10

Input Coupling

AC, DC

TRIGGER LEVEL

-350mV ~ +350mV
(PRESET)

Input Voltage
  Degrader 1/1
  Degrader 1/10


25mV ~  1Vrms
250mV ~ 10Vrms

  • Frequency Measurement (PERI. A) : CH A

Pin(male) Range

0.5us ~ 200,000us (5Hz~2MHz)

Min. pulse width

250ns

Accuracy

±1 count time base error
±CH A TRIGGER error

Count Time

0.01s, 0.1s, 1s, 10s (4 MODE)

  • Time Step Measurement (TI A --> B) CH A TO CH B

Range

0.5us ~ 200,000us (5Hz~2MHz)

Accuracy

±1 count time base error
±CH A TRIGGER error±MAG.

Count Time

1, 10, 100, 1000 (4 MODE)

Min. pulse width

250ns

  • Totalize (CH A)

Range

0.5us ~ 200,000us (5Hz~2MHz)

Count Range

0 ~ 9999999 (OVERFLOW)

Count Control

Usage of Reset and Hold Switch

  • SELF CHECK

Display

10 MHz

GATE Time

0.01s, 0.1s, 1s, 10s (OVERFLOW)

Unit

KHz

  • Reference Oscillator

Reference Frequency

10 MHz, 3.90625MHz (OVEN)

RATE

±3 x 10-7

Temperature Characteristics

±5 x 10-6 (0°C~40°C)
±5 x 10-7 (0°C~30°C)

Power Characteristics

±1 x 10-7 (±10%)

Preheat Time

20 min. at 25°C

  • Reference Oscillator Output

Open Output Voltage

Over 1Vp-p at 1M Ohm

50 Ohm Output Voltage

Over 500mVp-p

  • General
    Display Type: 8 digits, 14mm SEH<EMT LED, KHz, MHZ, us, OVER,
    GATE(LED, FUNCTION, GATE TIME, HOLD (LED)

  • Dimension & Weight
    262(W) x 84(H) x 230(D)mm, 2.35kg

  • Accessories
    - Power Cord 1EA
    - Fuse 2EA
    - BNC : BNC 1EA
    - Manual 1EA

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