BK Precision 5492BGPIB 5 1/2 Digit True RMS Bench Multimeter

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BK Precision 5492 5 1/2 Digit Dual Display Bench DMM with 0.012% Basic Accuracy. New in Box.

Discontinued

Product Code: 5492BGPIB

Description

Application Notes

Datasheet PDF Format

Suggested Replacement: 5492CGPIB

Full Scale Display Counts

Slow	Medium	Fast
119,999	39,999	3,999

Reading Rates on Single Display (Readings/Sec)

Measurement Functions	Slow	Medium	Fast
DCV	2	5	20
DCA	2	5	20
Diode	2	5	20
ACV	2	4.2	20
ACA	2	4.2	20
2-wires �Ohm	2	4	17
4-wires �Ohm 4M Ohm/1.2M Ohm range and below	0.6	0.8	0.9
4-wires �Ohm 12M Ohm range and above	1.4	1.7	1.9
Frequency	1.2	1.7	2.4
ACV+DCV	0.4	0.5	0.7
ACA+DCA	0.4	0.5	0.7

Reading Rates on Dual Display (Readings/Sec)

Measurement Functions	Slow	Medium	Fast
DCV / ACV	0.7	1.0	1.9
DCA / ACA	0.7	1.0	1.9
DCV / DCA	0.7	1.0	1.9
DCV / ACA	0.2	0.2	0.5
ACV / ACA	0.2	0.2	0.5
ACV / DCA	0.7	1.0	1.9
ACV / Frequency	0.5	0.7	1.1
ACA / Frequency	0.6	0.8	1.3
ACV+DCV / DCV	0.5	0.6	0.9
ACA+DCA / DCV	0.1	0.2	0.4
ACA+DCA / ACV	0.1	0.2	0.4
ACA+DCA / DCA	0.5	0.6	0.9
dBm(ACV) / Reference �Ohm	2.1	4.2	11.9
dBm(ACV) / ACV	0.7	1.0	1.7
dBm(ACV) / DCV	0.6	1.0	1.7
dBm(ACV) / Frequency	0.7	1.0	1.7

Note 1: Above table shows some common combinations and applications of using dual display.

Note 2: Using RS-232 or GPIB remote interface, the reading rate approximates to normal mode.

DC Voltage

Resolution, Full Scale Reading and Accuracy

Rate ⁽¹⁾	Range	Resolution	Full Scale Reading	Accuracy (1 year)	Typical Input Impedance ⁽⁴⁾
S	120mV 1.2V 12V 120V 1000V	1uV 10uV 100uV 1mV 10mV	119.999 1.19999 11.9999 119.999 1000.00⁽³⁾	0.012% + 2 0.012% + 2 0.012% + 2 0.012% + 2 0.012% + 2	10.0M Ohm 10.0M Ohm 11.1M Ohm 10.1M Ohm 10.0M Ohm
M	400mV 4V 40V 400V 1000V	10uV 100uV 1mV 10mV 100mV	399.99 3.9999 39.999 399.99 1000.0⁽³⁾	0.012% + 5 0.012% + 5 0.012% + 5 0.012% + 5 0.012% + 5	10.0M Ohm 11.1M Ohm 10.1M Ohm 10.0M Ohm 10.0M Ohm
F	400mV 4V 40V 400V 1000V	100uV 1mV 10mV 100mV 1V	399.9 3.999 39.99 399.9 1000⁽³⁾	0.012% + 8 ⁽²⁾ 0.012% + 5 0.012% + 5 0.012% + 5 0.012% + 5	10.0M Ohm 11.1M Ohm 10.1M Ohm 10.0M Ohm 10.0M Ohm
⁽¹⁾ Rate: S (Slow), M (Medium), and F (Fast). ⁽²⁾ Use relative (REL) modifier. ⁽³⁾ In Vdc 1000V range, 5% over-range (1050Vdc) is readable. ⁽⁴⁾ Input Impedance is in paralleled with capacitance <120pF.

Maximum input voltage: 1000Vdc or peak ac on any rangeResponse 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 function is selected, the Vdc input impedance is paralleled with an ac-coupled 1.1M Ohm ac divider.

Noise Rejection Ratio

Rate	CMRR ⁽¹⁾	NMRR ⁽²⁾
S / M / F	>90dB at dc, 50/60Hz ± 0.1% (1k OhmUnbalanced)	>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 Mode)

Resolution and Full Scale Reading

Range		Resolution			Full Scale Reading
S	M & F	S	M	F	S	M	F
120mV 1.2V 12V 120V 750V	400mV 4V 40V 400V 750V	1uV 10uV 100uV 1mV 10mV	10uV 100uV 1mV 10mV 100mV	100uV 1mV 10mV 100mV 1V	119.999 1.19999 11.9999 119.999 750.00 ⁽¹⁾	399.99 3.9999 39.999 399.99 750.0 ⁽¹⁾	399.9 3.999 39.99 399.9 750 ⁽¹⁾
⁽¹⁾In Vac 750V range, 5% over-range (787.5V rms) is readable

Accuracy

Rate	Range	Accuracy (1 year) ⁽¹⁾
Rate	Range	20 to 45 Hz	45 to 10k Hz		10 to 30 kHz	30 to 100 kHz
S	120.000mV 1.20000V 12.0000V 120.000V 750.00V	1% + 5 1% + 5 1% + 5 1% + 5 ⁽²⁾ 1% + 5 ⁽²⁾	0.2% + 5 0.2% + 5 0.2% + 5 0.2% + 5 0.2% + 5		1.5% + 10 1% + 5 1% + 5 1% + 5 1% + 5	5% + 15 3% + 10 3% + 10 3% + 10 3% + 10 ⁽³⁾
M	400.00mV 4.0000V 40.000V 400.00V 750.0V	1% + 40 1% + 40 1% + 40 1% + 40 ⁽²⁾ 1% + 40 ⁽²⁾	0.2% + 40 0.2% + 40 0.2% + 40 0.2% + 40 0.2% + 40		1.5% + 80 1% + 40 1% + 40 1% + 40 1% + 40	5% + 120 3% + 80 3% + 80 3% + 80 3% + 80 ⁽³⁾
F	400.0mV 4.000V 40.00V 400.0V 750V	1% + 100 1% + 100 1% + 100 1% + 100 1% + 100 ⁽²⁾	0.2% + 100 0.2% + 100 0.2% + 100 0.2% + 100 0.2% + 100		1.5% + 300 1% + 100 1% + 100 1% + 100 1% + 100	5% + 300 3% + 200 3% + 200 3% + 200 3% + 200 ⁽³⁾
⁽¹⁾ Specified accuracy at input >5% of full scale
⁽²⁾ For input <200V rms				⁽³⁾ For input <500V rms

Measurement method: True RMSMaximum Crest Factor: 3.0 at full scaleMaximum input voltage: 750V rms, 1100V peak ac
2x10⁷ V-Hz product on any range, normal mode input
1x10⁶ V-Hz product on any range, common mode input Input Impedance: 1M Ohm in parallel with capacitance <120pF 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 Mode)

Resolution and Full Scale Reading

Range ⁽¹⁾		Resolution			Full Scale Reading
S	M & F	S	M	F	S	M	F
120mV 1.2V 12V 120V 750V	400mV 4V 40V 400V 750V	1uV 10uV 100uV 1mV 10mV	10uV 100uV 1mV 10mV 100mV	100uV 1mV 10mV 100mV 1V	119.999 1.19999 11.9999 119.999 750.00 ⁽²⁾	399.99 3.9999 39.999 399.99 750.0 ⁽²⁾	399.9 3.999 39.99 399.9 750 ⁽²⁾
⁽¹⁾ Vdc and Vac are automatically set at the same range ⁽²⁾In Vac 750V range, 5% over-range (787.5V rms) is readable

Accuracy

Rate	Range	Accuracy (1 year) ⁽¹⁾
		45 to 10k Hz	10 to 30 kHz		30 to 100 kHz
S	120.000mV 1.20000V 12.0000V 120.000V 750.00V	0.2% + 7 0.2% + 7 0.2% + 7 0.2% + 7 0.2% + 7	1.5% + 12 1% + 7 1% + 7 1% + 7 1% + 7		5% + 18 3% + 12 3% + 12 3% + 12 3% + 12 ⁽²⁾
M	400.00mV 4.0000V 40.000V 400.00V 750.0V	0.2% + 45 0.2% + 43 0.2% + 43 0.2% + 43 0.2% + 43	1.5% + 83 1% + 43 1% + 43 1% + 43 1% + 43		5% + 125 3% + 83 3% + 83 3% + 83 3% + 83 ⁽²⁾
F	400.0mV 4.000V 40.00V 400.0V 750V	0.2% + 100 0.2% + 100 0.2% + 100 0.2% + 100 0.2% + 100	1.5% + 300 1% + 100 1% + 100 1% + 100 1% + 100		5% + 300 3% + 200 3% + 200 3% + 200 3% + 200 ⁽²⁾
⁽¹⁾ Specified accuracy at input >5% of full scale				⁽²⁾ For input <500V rms

Measurement method: True RMS AC+DCMaximum Crest Factor: 3.0 at full scaleMaximum input voltage: 750V rms, 1100V peak ac

2x10⁷ V-Hz product on any range, normal mode input
1x10⁶ V-Hz product on any range, common mode input Input Impedance: 1M Ohm in parallel with capacitance <120pF Response Time: Approximately 2.5 seconds when the displayed reading reaches 99.9% (ac+dc) rms value of the tested input signal at the same range.

DC Current

Rate	Range	Resolution	Full Scale Reading	Accuracy (1 year)	Burden Voltage ⁽¹⁾ & Shunt Resistor
S	12mA 120mA 1200mA 12A	0.1uA 1mA 10mA 100mA	11.9999 119.999 1199.99 11.9999	0.1% + 2 0.1% + 2 0.15% + 2 0.2% + 2	<0.15V / 10 Ohm <1.5V / 10 Ohm <0.3V / 0.1 Ohm <0.6V / 0.01 Ohm
M	40mA 120mA 1200mA 12A	1uA 10uA 100uA 1mA	39.999 119.99 1199.9 11.999	0.1% + 6 0.1% + 3 0.15% + 3 0.2% + 3	<0.5V / 10 Ohm <1.5V / 10 Ohm <0.3V / 0.1 Ohm <0.6V / 0.01 Ohm
F	40mA 120mA 1200mA 12A	10uA 100uA 1mA 10mA	39.99 119.9 1199 11.99	0.05% + 15 ⁽²⁾ 0.05% + 5 0.15% + 5 0.2% + 5	<0.5V / 10 Ohm <1.5V / 10 Ohm <0.3V / 0.1 Ohm <0.6V / 0.01 Ohm
⁽¹⁾ Typical at full scale reading and voltage across the input terminals ⁽²⁾ Use relative (REL) modifier

Maximum Input and Overload Current Protection (for dc and ac current):
mA Input Terminal: 1200mA dc or ac rms and protected with 2A/250V, IEC-127 sheet 1 fast blow fuse;
12A input terminal: 10A dc or ac rms continuous, or 12A dc or ac rms for 30 seconds maximum and protected with 15A/500V, breaking capacity 10,000A fast blow fuse. 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 Mode)

Resolution, Full Scale Reading and Burden Voltage

Rate	Range	Resolution	Full Scale Reading	Burden Voltage ⁽¹⁾ & Shunt Resistor
S	12mA 120mA 1200mA 12A	0.1uA 1uA 10uA 100uA	11.9999 119.999 1199.99 11.9999	<0.15V / 10 Ohm <1.5V / 10 Ohm <0.3V / 0.1 Ohm <0.6V / 0.01 Ohm
M	40mA 120mA 1200mA 12A	1uA 10uA 100uA 1mA	39.999 119.99 1199.9 11.999	<0.5V / 10 Ohm <1.5V / 10 Ohm <0.3V / 0.1 Ohm <0.6V / 0.01 Ohm
F	40mA 120mA 1200mA 12A	10uA 100uA 1mA 10mA	39.99 119.9 1199 11.99	<0.5V / 10 Ohm <1.5V / 10 Ohm <0.3V / 0.1 Ohm <0.6V / 0.01 Ohm
⁽¹⁾ Typical at full scale reading and rms voltage across the input terminals

Accuracy

Rate	Range	Accuracy (1 year) ⁽¹⁾
Rate	Range	20 to 45 Hz	45 to 2k Hz	2 to 10 kHz
S	12mA 120mA 1200mA 12A	1.5% + 5 1.5% + 2 1.5% + 2 2% + 2 (<1.2A)	0.5% + 5 0.5% + 2 0.5% + 2 1% + 2	2% + 10 2% + 5 2% + 5 -
M	40mA 120mA 1200mA 12A	1.5% + 40 1.5% + 12 1.5% + 12 2% + 12 (<1.2A)	0.5% + 40 0.5% + 12 0.5% + 12 1% + 12	2% + 80 2% + 30 2% + 30 -
F	40mA 120mA 1200mA 12A	1.5% + 100 1.5% + 100 1.5% + 100 2% + 100 (<1.2A)	0.5% + 100 0.5% + 100 0.5% + 100 1% + 100	2% + 200 2% + 200 2% + 200 -
⁽¹⁾ Specified accuracy at input >5% of full scale

Measurement method: True RMSMaximum Crest Factor: 3.0 at full scaleResponse 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 Mode)

Resolution, Full Scale Reading and Burden Voltage

Rate	Range	Resolution	Full Scale Reading	Burden Voltage ⁽¹⁾ & Shunt Resistor
S	12mA 120mA 1200mA 12A	0.1uA 1uA 10uA 100uA	11.9999 119.999 1199.99 11.9999	<0.15V / 10 Ohm <1.5V / 10 Ohm <0.3V / 0.1 Ohm <0.6V / 0.01 Ohm
M	40mA 120mA 1200mA 12A	1uA 10uA 100uA 1mA	39.999 119.99 1199.9 11.999	<0.5V / 10 Ohm <1.5V / 10 Ohm <0.3V / 0.1 Ohm <0.6V / 0.01 Ohm
F	40mA 120mA 1200mA 12A	10uA 100uA 1mA 10mA	39.99 119.9 1199 11.99	<0.5V / 10 Ohm <1.5V / 10 Ohm <0.3V / 0.1 Ohm <0.6V / 0.01 Ohm
⁽¹⁾ Typical at full scale reading and rms voltage across the input terminals

Accuracy

Rate	Range	Accuracy (1 year) ⁽¹⁾
Rate	Range	45 to 2k Hz	2 to 10 kHz
S	12mA 120mA 1200mA 12A	0.5% + 7 0.5% + 4 0.5% + 4 1% + 4	2% + 12 2% + 7 2% + 7 -
M	40mA 120mA 1200mA 12A	0.5% + 42 0.5% + 15 0.5% + 15 1% + 15	2% + 80 2% + 30 2% + 30 -
F	40mA 120mA 1200mA 12A	0.5% + 100 0.5% + 100 0.5% + 100 1% + 100	2% + 200 2% + 200 2% + 200 -
⁽¹⁾ Specified accuracy at input >5% of full scale

Measurement range: Vdc and Vac are automatically set at the same range Measurement method: True RMS AC+DC Maximum Crest Factor: 3.0 at full scale Response Time: Approximately 2.5 seconds when the displayed reading reaches 99.9% (ac+dc) rms value of the tested input signal at the same range.

Resistance (2-wire �Ohm and 4-wire �Ohm)

Rate	Range ⁽¹⁾	Resolution	Full Scale Reading	Test Current	Accuracy (1 year)
Rate	Range ⁽¹⁾	Resolution	Full Scale Reading	Test Current	2-wire	4-wire
S	120 Ohm 1.2k Ohm 12k Ohm 120k Ohm 1.2M Ohm 12M Ohm 120M Ohm	1m Ohm 10m Ohm 100m Ohm 1 Ohm 10 Ohm 100 Ohm 1k Ohm	119.999 1.19999 11.9999 119.999 1.19999 11.9999 119.999	0.5mA 0.5mA 100mA 10mA 1mA 100nA 10nA	0.1% + 2 ⁽²⁾ 0.08% + 2 0.06% + 2 0.06% + 2 0.15% + 2 1.5% + 2 5.0% + 2	0.05% + 2 0.05% + 2 0.05% + 2 0.05% + 2 0.15% + 2 1.5% + 2 5.0% + 2
M	400 Ohm 4k Ohm 40k Ohm 400k Ohm 4M Ohm 40M Ohm 300M Ohm	10m Ohm 100m Ohm 1 Ohm 10 Ohm 100 Ohm 1K Ohm 10k Ohm	399.99 3.9999 39.999 399.99 3.9999 39.999 299.99	0.5mA 100mA 50mA 5mA 500nA 50nA 10nA	0.1% + 5 ⁽²⁾ 0.08% + 3 ⁽²⁾ 0.06% + 3 0.06% + 3 0.15% + 3 1.5% + 3 5.0% + 5	0.05% + 5 ⁽²⁾ 0.05% + 3 0.05% + 3 0.05% + 3 0.15% + 3 1.5% + 3 5.0% + 5
F	400 Ohm 4k Ohm 40k Ohm 400k Ohm 4M Ohm 40M Ohm 300M Ohm	100m Ohm 1 Ohm 10 Ohm 100 Ohm 1k Ohm 10k Ohm 100k Ohm	399.9 3.999 39.99 399.9 3.999 39.99 299.9	0.5mA 100mA 50mA 5mA 500nA 50nA 10nA	0.1% + 8 ⁽²⁾ 0.08% + 5 ⁽²⁾ 0.06% + 5 ⁽²⁾ 0.06% + 5 0.06% + 5 0.3% + 5 3.0% + 8	0.05% + 8 ⁽²⁾ 0.05% + 5 ⁽²⁾ 0.05% + 5 0.05% + 5 0.05% + 5 0.3% + 5 3.0% + 8
⁽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 120K Ohm. ⁽²⁾ Use relative (REL) modifier.

Open Circuit Voltage: < +5.0V dcZeroing error: 0.05 Ohm or less (excluding test lead resistances) in each range when REL modifier is usedResponse time: Approximately 1.5 seconds for 12M Ohm and ranges below 12M Ohm; approximately 5 seconds for 40M Ohm range; approximately 10 seconds for 120M Ohm ; approximately 25 seconds for 300M Ohm range. Maximum Input Protection: 500V dc or ac rms

Diode Test/Continuity

Rate	Maximum Reading	Resolution
S	1.19999V	10mV
M	2.4999V	100mV
F	2.499V	1m

Open Circuit Voltage: < +5.0V dcTest Current: Approximately 0.5mA dcAudible Tone: Continuous beep for continuity and single tone for normal forward-biased diode or semiconductor junctionContinuity level: Approximately below +50mVdc Maximum Input Protection: 500V dc or ac rms

Resistance/Continuity (2-wire)

Rate	Range	Resolution	Maximum Reading	Accuracy
S	120 Ohm	1m Ohm	119.999	0.1% + 2 ⁽¹⁾
M	400 Ohm	10m Ohm	399.99	0.1% + 5 ⁽¹⁾
F	400 Ohm	100m Ohm	399.9	0.1% + 8 ⁽¹⁾
⁽¹⁾ Use relative (REL) modifier

Open Circuit Voltage: < +5.0V dcTest Current: Approximately 0.5mA dcAudible Tone: Continuous beep for reading is less than 10 OhmZeroing error: 0.05 Ohm or less (excluding test lead resistances) in each range when REL modifier is usedMaximum Input Protection: 500V dc or ac rms

Frequency

Resolution, Full Scale Reading and Accuracy

Range (Hz)	Measurement Range (Hz)	Resolution (Hz)	Full Scale Reading	Accuracy (1 year) ⁽¹⁾	Input Sensitivity (Sine wave)
1200	5 to 1200	10m	1199.99	0.005 + 3	40mV rms
12k	10 to 12k	100m	11.9999	0.005 + 2
120k	100 to 120k	1	119.999	0.005 + 2
1M ⁽²⁾	1k to 1M	10	1.19999	0.005 + 2	0.5V rms
⁽¹⁾ Specified accuracy at input >5% of full scale ⁽²⁾If tested frequency is greater than 1MHz, it will be displayed but no specified accuracy is guaranteed.

Measurement method: True RMSMaximum Crest Factor: 3.0 at full scaleMaximum input voltage: 750V rms, 1100V peak ac
2x10⁷ V-Hz product on any range, normal mode input
1x10⁶ V-Hz product on any range, common mode input Input Impedance: 1M Ohm in parallel with capacitance <120pF Response Time: Approximately 1.2 seconds when the displayed reading reaches 99.9% frequency value of the tested input signal at the same range.

dBm (decibel calculation)

Reference Impedance ⁽¹⁾

2 Ohm ⁽²⁾ 4 Ohm ⁽²⁾ 8 Ohm ⁽²⁾ 16 Ohm ⁽²⁾	50 Ohm 75 Ohm 93 Ohm 110 Ohm 124 Ohm 125 Ohm	135 Ohm 150 Ohm 250 Ohm 300 Ohm 500 Ohm 600 Ohm ⁽³⁾	800 Ohm 900 Ohm 1000 Ohm 1200 Ohm 8000 Ohm
⁽¹⁾ Reference impedance is displayed on the secondary display ⁽²⁾ Reading displayed in watts (Audio Power) ⁽³⁾ Default reference impedance

Range and Accuracy

Rate	Voltage Range ^(1,2)	Input Voltage	dBm ⁽³⁾ Range @ 600 Ohm Ref	Accuracy (dB)
Rate	Voltage Range ^(1,2)	Input Voltage	dBm ⁽³⁾ Range @ 600 Ohm Ref	20 to 45 Hz	45 to 10 kHz	0 to 100 kHz
S	120mV 1.2V 12V 120V	6mV ~ 120mV 120mV ~ 1.2V 1.2V ~ 12V 12V ~ 120V	-42.20 ~ -16.20 -16.20 ~ 3.80 3.80 ~ 23.80 23.80 ~ 43.80	1.0 0.8 0.8 0.8	0.2 0.1 0.1 0.1	1.0 0.8 0.8 0.8
S	1000V (dc) 750V (ac)	120V ~ 1000V 120V ~ 750V	43.80 ~ 62.22 43.80 ~ 59.72	-	1.0⁽⁴⁾	-
M & F	400mV 4V 40V 400V	20mV ~ 400mV 400mV ~ 4V 4V ~ 40V 40V ~ 400V	-31.76 ~ -5.74 -5.74 ~ 14.26 14.26 ~ 34.26 34.26 ~ 54.26	1.0 0.8 0.8 0.8	0.2 0.1 0.1 0.1	1.0 0.8 0.8 0.8
M & F	1000V (dc) 750V (ac)	400V ~ 1000V 400V ~ 750V	54.26 ~ 62.22 54.26 ~ 59.72	-	1.0⁽⁴⁾	-
⁽¹⁾ Auto-ranging is used when dBm function is selected ⁽²⁾ In Vac 750V range, 5% over-range is readable ⁽³⁾ Reading displayed in dB when REL modifier is used ⁽⁴⁾ For input voltage at frequency between 45Hz to 1kHz

0dBm: 1 m Ohm @ 600 Ohm Reference Impedance Resolution: 0.01dB at slow and medium rate; 0.1dB at fast rate for all ranges. CMRR: > 90dB for dc signal Response Time: Same as ac voltage and ac current measurements.

A-3 General Specifications

General Items	Specifications
�Ohmarm 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 II-600V and CAT I-1000V
Relative Humidity	� Up to 80% for 0°C to 28°C (75% RH for 12M Ohm and above ranges of resistance measurement) � Up to 70%for 28°C to 35°C � Up to 50%for 35°C to 50°C
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)
�Ohmeight	<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-I 750VAC/1000VDC or CAT-II 600V,Pollution Degree 2 Environment
EMC Requirement	Designed in compliance with EN61326-1.

Features

The B&K Precision model 5492B is a versatile 5½-digit, 120,000-count bench multimeter suitable for applications in education, service repair, and manufacturing. The instrument enhances your productivity with built-in math functions and USB connectivity. Rel, Max/Min, dBm, dB, %, and Hold functions provide educators with a convenient tool to teach basic math concepts. Additionally, the 5492B offers powerful features not commonly found in other 5½- digit DMMs such as advanced triggering, buffer storage operation, and a GPIB interface option.

The 5492B measures volts and amps with great accuracy and stability, with basic VDC accuracy of 0.01%. The meter is also capable of measuring frequency, period, resistance, continuity, and performing diode tests. Readings can be taken at a maximum rate of 57 readings/sec and stored to an internal 512-byte buffer for post acquisition statistical analysis.

The 5492B was designed for cost-conscious users requiring an accurate meter with a broad range of features offered at a value price.

5½-digit, 120,000-count display resolution
0.01% basic VDC accuracy
Advanced triggering options such as external, bus and event trigger
Two and four-wire resistance measurement up to 120 MΩ
AC voltage and AC current measurement over wide frequency range (ACV 100 kHz/ACI 10 kHz)
AC (RMS) and DC current measurements up to 12 A
Limit mode for Pass/Fail testing
Save/recall up to 10 instrument settings
Built-in math functions: Rel, Max/Min, dBm, dB, %, Hold, Compare
CATI (1000 V)/CATII (300 V) protection
USB (Virtual Com) and RS232 interface
SCPI compatible
For GPIB interface order 5492BGPIB

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	Keithley 7706 All-In-One I/O Module with Screw Terminals $1,663.80 USD
	Keithley 5805 Kelvin Probes, 0.9m (3 ft.) $440.86 USD