BK5491ABK5491A台式万用表

添加时间：2010-5-20 9:01:18 担当：未知阅读：次

产品名称：BK5491ABK5491A台式万用表
定货号：DA-01056-00

推荐：

50000-count multimeter

Basic accuracy 0.02% for VDC

Voltage measurement up to 1000V DC, 750V AC

Current measurement up to 10A

True RMS AC, AC+DC

Resistance measurement up to 50Mohms

Frequency meter up to 500 KHz

dBm, %, MIN, MAX, HOLD, COMP functions

Selectable measurement rates

Dual display

RS-232 interface

DC Voltage		Resolution, Full Scale Reading and Accuracy
Range	Resolution	Full Scale Reading	Accuracy (1 year)	Typical Input Impedance (2)
500mV 5V 50V 500V 1000V	10µV 100µV 1mV 10mV 100mV	510.00 5.1000 51.000 510.00 1200.0 (1)	0.02% + 4 0.02% + 4 0.02% + 4 0.02% + 4 0.02% + 4	10.0MΩ 11.1MΩ 10.1MΩ 10.0MΩ 10.0MΩ
(1) In 1000V range, 1200V is readable with audio warning. (2) Input Impedance is in paralleled with capacitance <100pF.
* Maximum input voltage: 1200Vdc or peak ac on any range * Response Time: Approximately 1.0 second when the displayed reading reaches 99.9% dc value of the tested input signal at the same range. Note: when voltage (ac+dc) measurement is selected, the Vdc input impedance is paralleled with an ac-coupled 1.1MΩ ac divider.

Noise Rejection Ratio
CMRR (1)	NMRR (2)
>90dB at dc, 50/60Hz ± 0.1% (1kΩ Unbalanced)	>50dB at 50/60Hz ± 0.1%
(1) CMRR is the Common Mode Reject Ratio (2) NMRR is the Normal Mode Rejection Ratio

AC Voltage (True RMS, AC Coupling)				Resolution, Full Scale Reading and Accuracy
Range	Resolution	Full Scale Reading	Accuracy (1 year) (1)
			30 to 50 Hz		50 to 10k Hz	10k to 30k Hz	30k to 100k Hz
500mV 5V 50V 500V 750V	10µV 100µV 1mV 10mV 100mV	510.00 5.1000 51.000 510.00 1000.0 (1)	1% + 40 1% + 20 1% + 20 Not specified Not Specified		0.5% + 40 0.35% + 15 0.35% + 15 0.5% + 15 0.5% + 15 (4)	2% + 60 1% + 20 1% + 20 1% + 20 (3) 1% + 20 (3)	3% + 120 3% + 50 3% + 50 3% + 50 (3) Not Specified
(1) In 750V range, 1000.0V is readable with audio warning. (2) Accuracy specified at input >5% of Range. (3) Input Voltage < 200V rms. (4) For 5k ~ 10k Hz, the accuracy is 0.7% + 15.
* Measurment method: true RMS * Maximum Crest Factor: 3.0 at full scale * Maximum input voltage: 1000V rms, 1400V peak ac 2x107 V-Hz product on any range, normal mode input 1x106 V-Hz product on any range, common mode input * Input Impedance: 1MΩ in parallel with capacitance <100pF * Response Time: Approximately 1.5 seconds when the displayed reading reaches 99.9% ac rms value of the tested input signal at the same range.

DC Current			Resolution, Full Scale Reading and Accuracy
Range	Resolution	Full Scale Reading		Accuracy (1 year)	Burden Voltage(1) & Shunt Resistor
500µA 5mA 50mA 500mA 5A 10A	10nA 100nA 1µA 10µA 100µA 1mA	510.00 5.1000 51.000 510.00 5.1000 20.000 (2)		0.05% + 5 0.05% + 4 0.05% + 4 0.05% + 4 0.25% + 5 0.25% + 5	<0.06V / 100Ω <0.6V / 100Ω <0.08V / 1Ω <0.8V / 1Ω <0.3V / 0.01Ω <0.6V / 0.01Ω
(1) Typical at full scale reading and voltage across the input terminals. (2) In 10A range, >10~20Adc is readable for 20 seconds maximum with audio warning.
* Response Time: Approximately 1.0 second when the displayed reading reaches 99.9% dc value of the tested input signal at the same range.

AC Current (True RMS, AC Coupling)					Resolution, Full Scale Reading and Burden Voltage
Range	Resolu-tion	Full Scale Reading	Accuracy(1 year) (5)					Burden Voltage (1) &Shunt Resistor
			30 to 50 Hz	50 to 2k Hz		2k to 5k Hz	5k to 20k Hz
500µA 5mA 50mA 500mA	10nA 100nA 1µA 10µA	510.00 5.1000 51.000 510.00	1.5% + 50 1.5% + 40 1.5% + 40 1.5% + 40	0.5% + 20 0.5% + 20 0.5% + 20 0.5% + 20		1.5% + 50 1.5% + 40 1.5% + 40 1.5% + 40	3% + 75(4) 3% + 60 3% + 60 3% + 60	<0.06V / 100Ω <0.6V / 100Ω <0.08V / 1Ω <0.8V / 1Ω
5A 10A	100µA 1mA	5.1000 20.000(2)	2% + 40(3) 2% + 40(3)	0.5% + 30 (<1kHz)		Not Specified		<0.3V / 0.01Ω <0.6V / 0.01Ω
(1) Typical at full scale reading and voltage across the input terminals (2) In 10A range, >10~20Aac is readable for 20 seconds maximum with audio warning. (3) Input Current < 3 Arms. (4) Input Current > 35µArms. (5) Accuracy specified at input >5% of range and >1A for 10A range except other specified.
* Measurement method: True RMS * Maximum Crest Factor: 3.0 at full scale * Response Time: Approximately 1.5 seconds when the displayed reading reaches 99.9% ac rms value of the tested input signal at the same range.

AC Voltage (True RMS, AC+DC Coupling)			Resolution, Full Scale Reading and Accuracy
Range	Resolution	Full Scale Reading	Accuracy (1 year) (2)
			50 to 10k Hz	10k to 30k Hz	30k to 100k Hz
500mV 5V 50V 500V 750V	10µV 100µV 1mV 10mV 100mV	510.00 5.1000 51.000 510.00 1000.0 (1)	0.5% + 50 0.5% + 25 0.5% + 25 0.5% + 25 0.5% + 25 (4)	2% + 70 1% + 30 1% + 30 1% + 30 (3) 1% + 30 (3)	3% + 130 3% + 60 3% + 60 3% + 60 (3) Not Specified
(1) In 750V range, 1000.0V is readable with audio warning. (2) Accuracy specified at input >5% of range. (3) Input Voltage < 200V rms. (4) For 5k~10k Hz, the accuracy is 0.7% + 25.
* Measurement method: True RMS * Maximum Crest Factor: 3.0 at full scale * Maximum input voltage: 1000V rms, 1400V peak ac 2x107 V-Hz product on any range, normal mode input 1x106 V-Hz product on any range, common mode input * Input Impedance: 1MΩ in parallel with capacitance <100pF * Response Time: Approximately 1.5 seconds when the displayed reading reaches 99.9% ac rms value of the tested input signal at the same range.

AC Current (True RMS, AC+DC Coupling)				Resolution, Full Scale Reading and Burden Voltage
Range	Resolution	Full Scale Reading	Accuracy (1 year) (4)				Burden Voltage (1) &Shunt Resistor
			50 to 2k Hz		2k to 5k Hz	5k to 20k Hz
500µA 5mA 50mA 500mA	10nA 100nA 1µA 10µA	510.00 5.1000 51.000 510.00	0.5% + 30 0.5% + 30 0.5% + 30 0.5% + 30		1.5% + 60 1.5% + 50 1.5% + 50 1.5% + 50	3% + 85(3) 3% + 70 3% + 70 3% + 70	<0.06V / 100Ω <0.6V / 100Ω <0.08V / 1Ω <0.8V / 1Ω
5A 10A	100µA 1mA	5.1000 20.000 (2)	0.5% + 40 (<1kHz)		Not Specified		<0.3V / 0.01Ω <0.6V / 0.01Ω
(1) Typical at full scale reading and voltage across the input terminals (2) In 10A range, >10~20A is readable for 20 seconds maximum with audio warning. (3) Input Current > 35µArms. (4) Accuracy specified at input >5% of range and >1A for 10A range except other specified.
* Measurement method: true RMS * Maximum Crest Factor: 3.0 at full scale * Response Time: Approximately 1.5 seconds when the displayed reading reaches 99.9% ac rms value of the tested input signal at the same range.

Resistance/Continuity		Resolution, Full Scale Reading, Test Reading and Accuracy
Range (1)	Resolution		Full Scale Reading	Test Current	Accuracy (1 year)
500Ω 5kΩ 50kΩ 500kΩ 5MΩ 50MΩ	10mΩ 100mΩ 1Ω 10Ω 100Ω 1KΩ		510.00 5.1000 51.000 510.00 5.1000 51.000	0.5mA 0.45mA 45µA 4.5µA 450nA 45nA	0.1% + 5 (2) 0.1% + 3 (2) 0.1% + 3 0.1% + 3 0.1% + 3 0.3% + 3
(1) In order to eliminate the noise interference, which might be induced to the test leads, it is recommended to use a shielded test cable for measuring resistance above 500KΩ. (2) Use relative (REL) modifier.
* Open Circuit Voltage: +6.0V dc approx. * Audible Tone: Continuous beep for reading less than 1000 counts * Zeroing error: 0.05Ω or less (excluding test lead resistances) in each range when REL modifier is used * Response Time: Approximately 1.5 seconds for 5MΩ and ranges below 5MΩ; approximately 5 seconds for 50MΩ range. * Maximum Input Protection: 500V dc or ac rms

Diode Test/Continuity		Resolution, Full Scale Reading and Accuracy
Range	Resolution	Full Scale Reading	Accuracy
2.3V	100µV	2.3000V	0.05% + 5
* Open Circuit Voltage / Test Current: +6.0V dc / 0.5mA approx. * Audible Tone: Continuous beep for continuity and single tone for normal forward-biased diode or semiconductor junction * Continuity level: Approximately below +50mVdc * Maximum Input Protection: 500V dc or ac rms

Frequency			Resolution, Full Scale Reading and Accuracy
Range	Measuring Range	Resolution		Full Scale Reading	Accuracy (1 year)
500 Hz	5Hz~ 500Hz	0.01 Hz		510.00	0.01 + 5
5kHz	500Hz~ 5kHz	0.1 Hz		5.1000	0.01 + 3
50kHz	5kHz~ 50kHz	1 Hz		51.000	0.01 + 3
500kHz	50kHz~ 500kHz	10 Hz		999.99	0.01 + 3
* Response Time: Approximately 1 second when the displayed reading reaches 99.9% of frequency value.

Sensitivity for Voltage Measurement
Input Range	Minimum Sensitivity (RMS Sine-wave)
Input Range	5Hz ~ 100kHz	100kHz ~ 500kHz
500mV	35mV	200mV
5V	0.25V	0.5V
50V	2.5V	5V
500V	25V	NO SPEC.
750V	50V	NO SPEC.
* Maximum input V-Hz and Input Impedance, please refer to AC Voltage measurement.

Sensitivity for Current Measurement
Input Range	Minimum Sensitivity (RMS Sine-wave)
Input Range	30Hz ~ 20kHz
500µA	35µA
5mA	0.25mA
50mA	2.5mA
500mA	25mA
5A	0.25A (<2kHz)
10A	2.5A (<2kHz)
* Maximum input, please refer to AC Current measurement.

· dBm (decibel calculation)		Reference Impedance (1)
2Ω 4Ω 8Ω 16Ω	50Ω 75Ω 93Ω 110Ω 124Ω 125Ω	135Ω 150Ω 250Ω 300Ω 500Ω 600Ω (2)	800Ω 900Ω 1000Ω 1200Ω 8000Ω
(1) Reference impedance is selectable at setup mode or during measurement. Please refer to the chapter for related operation. (2) Default reference impedance

Range and Accuracy
Voltage Range (1,2)	Input Voltage	dBm (3) Range @ 600Ω Ref	Accuracy (dB)
			30 to 50 Hz	50 to 10k Hz	10k to 100k Hz
500mV 5V 50V 500V	25mV ~ 500mV 500mV ~ 5V 5V ~ 50V 50V ~ 500V	-29.82 ~ -3.80 -3.80 ~ 16.20 16.20 ~ 36.20 36.20 ~ 56.20	0.3 0.2 0.2 0.2 (5)	0.3 0.2 0.2 0.2	0.7 0.5 0.5 0.5 (5)
1000V (dc) 750V (ac)	500V ~ 1000V 500V ~ 750V	56.20 ~ 62.22 56.20 ~ 59.72	Not Specified	0.2 (4)	Not Specified
(1) Auto-ranging is used when dBm function is selected (2) In Vdc 1200V range and Vac 1000V are readable (3) Reading displayed in dB when REL modifier is used (4) For input voltage at frequency between 50Hz to 1kHz (5) Input Voltage <200V rms
* 0dBm: 1mW @ 600Ω Reference Impedance * Resolution: 0.01dB for all ranges. * CMRR: >90dB for dc signal * Response Time: Same as dc, ac or ac+dc voltage measurements.

A-3 General Specifications
General Items	Specifications
Warm up time	At least 30 minutes
Temperature Coefficient	Add 0.15 x (the applicable accuracy)/°C at 0°C to 18°C and 28°C to 50°C
Operating Temperature	0°C to 50°C (32°F to 122°F)
Storage Temperature	-20°C to 60°C
Altitude	Up to 2000 M
Pollution Degree	II
Over-voltage category	CAT III- 600V and CAT II-1000V
Relative Humidity	Up to 80% (60% for 50MΩ range or resistance measurement)
Common Mode Voltage	1000V dc or peak ac rms maximum between any input and earth ground
Dimension	Approx. 255(w) x 105(h) x 305(d) mm (with holsters)
Weight	<3.0kgs
Line Voltage	100V / 120V / 220V / 240V ac ± 10%, 50/60Hz, 16VA maximum
Interface	· RS-232 (DB-9, male connector) · Baud rates: 9600, 4800, 2400, 1200, 600, 300 · Data length: 7 or 8 bits · Parity: even / odd / none · Stop bit: 1 or 2 bits · Echo: on / off · Print mode: on / off
Safety Requirement	Designed in Compliance with EN61010-1 (IEC1010-1)
Installation Category	CAT-II 750VAC/1000VDC or CAT-III 600V, Pollution Degree II