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Protek-B4000

 

Digital Multimeter

Features

  • 4 4/5 Digit, Dual Display
  • 0.05% Basic Accuracy (DC Volt)
  • True RMS for AC or AC+DC
  • LV ohm Measurement
  • Auto Calibration
  • LCD Back Light
  • RS232C Interface

Specification

  • DC mV & V

Function

Range

Accuracy

Accuracy

DC mV

500mV

0.05%+5d

>1G Ohm MAX 250VAC or DC
(5k Ohm PTC)

2500mV

DC V

5V

About 10.5kOhm

MAX 1000VAC
or 750VAC
(10MOhm)

50V

About 10MOhm

500V

About 10MOhm

1000V

About 10MOhm

  • AC mV & V

Function

Range

Accuracy for Each Frequency Band

50~500Hz

1kHz~

5kHz~

10kHz~

20kHz~

AC mV

500mV

0.75%+20d for<400mV
1%     for <400mV

1.5%for>50mV

2%for>50mV

3%for>50mV

AC V

5V

2.0%+50d

2.5%
for AC+DC V Level
more than 10% of full scale reading

3.5%
for AC+DC V>10% of full scale

Not specified

50V

500V

1000V

  • AC + DCmV & V

Function

Range

Accuracy for Each Frequency Band

50~500Hz

1kHz~

5kHz~

10kHz~

20kHz~

AC mV

500mV

1.5%+50d for<300mV
2% for <300mV

2.5%for>50mV

3.5%for>50mV

4.5%for>50mV

AC V

5V

2.0%+50d

2.5%
for AC+DC V Level
more than 10% of full scale reading

3.5%
for AC+DC V>10% of full scale

Not specified

50V

500V

750V

  • DC Current

Function

Shunt

Range

Accuracy

Protection

DC uA

100Ohm

5000uA

0.2%+5d

1A/600V Fast Fuse & 22V M.O.Varistor

DC mA

1Ohm

500mA

DC A

10MOhm

10A

0.5%+5d

15A/600V Fast Fuse

  • AC Current

Function

Shunt

Frequency

Accuracy

Protection

AC uA

5000uA

50Hz to
1KHz

0.75%+20d
for <40000 count
% for>40000count

1A/600V Fast Fuse & 22V M.O.Varistor

AC mA

500mA

AC A

10A

15A/600V Fast Fuse

  • AC + DC Current

Function

Shunt

Frequency

Accuracy

Protection

AC+DC uA

5000uA

DC to 1kHz

1.5%+50d
for <30000 count
2% for>30000count

1A/600V Fast Fuse & 22V M.O.Varistor

AC+DC mA

500mA

AC+DC A

10A

15A/600V Fast Fuse

  • Resistance

Range

Resolution

Accuracy

Open/Short

Protection

50 Ohm

0.01 Ohm

1.0%+20d

2.5V/1.7mA

250VAC
or
DC
(500 Ohm PTC)

5KOhm

0.1 Ohm

0.2%+5d

2.5V/1.7mA

50 Ohm

1 Ohm

2.5V/240uA

500K Ohm

10 Ohm

2.5V/25uA

5MOhm

100 Ohm

2.5V/2.5uA

50MOhm

1K Ohm

1.0%+10d

2.5V/250nA

  • LV ohm(Low Voltage ohm)

Range

Resolution

Accuracy

Open/Short

Protection

5KOhm

1 Ohm

0.25%+5d

0.25V/170uA

250VAC
or
DC
(500 Ohm PTC)

50KOhm

10 Ohm

0.25V/24uA

500k Ohm

100 Ohm

0.25V/2.5uA

5M Ohm

1K Ohm

0.25V/250uA

50M Ohm

10K Ohm

1.0%+10d

0.25V/25nA

  • nS

Range

Resolution

Accuracy

Open/Short

Protection

500nS

0.1nS

3.0%+5d

2.5V/25nA

250VAC or DC

  • Continuity

Range

Resolution

Accuracy

Open/Short

Protection

5K Ohm

Short

Buzz On

<5 Ohm

250VAC
or
DC
(500 Ohm PTC)

Open

Buzz Off

<15 Ohm

50K Ohm

Short

Buzz On

<50 Ohm

Open

Buzz Off

>100 Ohm

500K Ohm

Short

Buzz On

<500 Ohm

Open

Buzz Off

>1kOhm

5M Ohm

Short

Buzz On

<5kOhm

Open

Buzz On

<10kOhm

  • Zener Diode

Range

Accuracy

Test Current

Open Circuit V

Protection

15V

5% + 10d

1mA

15 to 22v

250VAC or DC
(500 Ohm PTC)

  • Capacitance

Range

Resolution

Accuracy

Open/Short

Protection

5nF

1pF

5%+10d

1.1s

250VAC
or
DC
(500 Ohm PTC)

50nF

10pF

2%+10d

500n Ohm

100pF

5u Ohm

1nF

2%+5d

50u Ohm

10nF

500u Ohm

100nF

3%+10d

VARIABLE
(1.1~10s)

5m Ohm

100Hz

  • Frequecy

Range

Resolution

Accuracy

Open/Short

Protection

50Hz

0.01Hz

0.01%+5d

10MOhm//1nF

500VAC
or
DC
(1kV 1nF Capacitor Parallel with 10M 1/2W Resister)

500Hz

0.1Hz

50KHz

1Hz

500KHz

10Hz

50000KHz

100Hz

  • Pulse Width

Range

Resolution

Accuracy

Input Impedance

Protection

200ms

10u Sec

0.1%+5d

10MOhm//1nF

500VAC or DC

  • Duty Cycle

Range

Resolution

Accuracy

Input Impedance

Protection

100%

0.01%

0.1%+5d

0.1ms~200ms

500VAC or DC

  • Temperature

Range

Resolution

Range

Accuracy

Protection

°C

0.01Hz

-20~0°C

±3°C

MAX. 500VAC
or
DC for V Terminal.
1A 600V Fast Fuse for mA Terminal

0~150°C

± 2°C

150~1200°C

±2%

°F

0.1°F

°F=32 + (9/5 * °C)

'k

0.1'k

'k=°C + 273.1

  • Peak +/- Detection

Range

Accuracy

Remark

DC mA

Less than 10% for peak with > 5ms of duration and with > 10% of full scale of each range

 

DCV

DC uA

DC uA

DC mA

DCA

  • Basic Accessories : Test Leads, User manual, Gift box, Holster, Software for WIN3.1 & WIN95,RS232C Adaptor Cable
  • Option Accessories : Temperature Adapter (608TA) Temperature Probe(k type)
  • Low Battery Detect : Battery Indicator on LCD apperars at below 6±1V
  • Physical Size(HxWxD) : Main unit (Net) :203 x 94 x 43.2mm with
    Holster:216.5 x 104.5 x 58mm
  • Physical Weight : TMain unit(Net) :417g(14.7oz) with Hols

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