Benchtop Multimeter Keithley 2750

Name: Benchtop Multimeter Keithley 2750
Brand: Keithley
SKU: 2750
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Specification

Data is being updated

Description product
Accessories

Description

Features:

Combines functions of DMM, switch system, and datalogger
True 6½-digit (22-bit) resolution
Choice of 12 switch/control plug-in modules
Up to 200 differential input channels (with 300V isolation) for measurement and control
Convenient front panel inputs
Free LabVIEW™, LabWindows/CVI, Visual Basic, C/C++, and TestPoint™ drivers (IVI style)
GPIB and RS-232 communications capabilities
Free ExceLINX™-1A datalogging software

Specifications:

GENERAL SPECIFICATIONS
EXPANSION SLOTS	5
POWER SUPPLY	100V / 120V / 220V / 240V
LINE FREQUENCY	50Hz to 60Hz and 400Hz, automatically sensed at power-up
POWER CONSUMPTION	80VA
OPERATING ENVIRONMENT	Specified for 0°C to 50°C. Specified to 80% RH at 35°C. Altitude up to 2000 meters
STORAGE ENVIRONMENT	-40°C to 70°C
BATTERY	Lithium battery-backed memory, 3 years @ 23°C
WARRANTY	3 years
EMC	Conforms to European Union Directive 89/336/EEC EN61326-1
SAFETY	Conforms to European Union Directive 73/23/EEC EN61010-1, CAT I
VIBRATION	MIL-PRF-28800F Class 3, Random
WARM-UP	2 hours to rated accuracy
DIMENSIONS	Rack Mounting	89mm high × 485mm wide × 370mm deep (3.5 in. × 19 in. × 14.563 in.)
	Bench Configuration (with handles and feet)	104mm high × 485mm wide × 370mm deep (4.125 in. × 19 in. × 14.563 in.)
SHIPPING WEIGHT	13kg (28 lbs)
DIGITAL I/O	2 inputs, 1 for triggering and 1 for hardware interlock. 5 outputs, 4 for Reading Limits and 1 for Master Limit. Outputs are TTL compatible or can sink 250mA, diode clamped to 40V.
TRIGGERING AND MEMORY	Window Filter Sensitivity	0.01%, 0.1%, 1%, 10%, or Full-scale of range (none)
	Reading Hold Sensitivity	0.01%, 0.1%, 1%, or 10% of reading
	Trigger Delay	0 to 99 hrs (1ms step size)
	External Trigger Delay	<1ms
	Memory Size	110,000 readings
MATH FUNCTIONS	Rel, Min/Max/Average/Std Dev/Peak-to-Peak (of stored reading), Limit Test, %, 1/x, and mX + b with user defined units displayed
REMOTE INTERFACE	GPIB (IEEE-488.2) and RS-232C. SCPI (Standard Commands for Programmable Instruments)
ACCESSORIES SUPPLIED	Model 1751 Safety Test Leads, Product Information CD-ROM, and hardcopy User’s Manual. Software CD-ROM with IVI/VISA drivers for VB, VC/C++, LabVIEW, TestPoint, and LabWindows/CVI, and free runtime startup software
ACCESSORIES AVAILABLE	4288-7 Rack Mount Rear Support Kit 77XX Modules Extended Warranty ExcelLINX-1A (Excel add-in datalogger software) TestPoint TM Software Development Package
SOFTWARE	Windows 98, NT, 2000, ME, and XP compatible

DC CHARACTERISTICS
CONDITIONS: MED (1 PLC) 2 or 10 PLC or MED (1 PLC) with Digital Filter of 10
FUNCTION	RANGE	RESOLUTION	TEST CURRENT ±5% OR BURDEN VOLTAGE	INPUT RESISTANCE OR OPEN CKT. VOLTAGE	ACCURACY: ±(ppm of reading + ppm of range) (ppm = parts per million) e.g., 10ppm = 0.001%)			Temperature Coefficient 0°-18°C & 28°-50°C
FUNCTION	RANGE	RESOLUTION	TEST CURRENT ±5% OR BURDEN VOLTAGE	INPUT RESISTANCE OR OPEN CKT. VOLTAGE	24 Hour 23°C±1°	90 Day 23°C±5°	1 Year 23°C±5°	Temperature Coefficient 0°-18°C & 28°-50°C
Voltage	100.0000mV	0.1 µV		>10 GΩ	15+30	25+35	30+35	(1 + 5)/°C
	1.000000V	1.0 µV		>10 GΩ	15+6	25+7	30+7	(1 + 1)/°C
	10.0000V	10 µV		>10 GΩ	10+4	20+5	30+5	(1 + 1)/°C
	100.0000V	100 µV		10 MΩ ± 1%	15+6	35+9	45+9	(5 + 1)/°C
	1000.000V	1mV		10 MΩ ± 1%	20+6	35+9	50 + 9	(5 + 1)/°C
Resistance	1.000000Ω	1 µΩ	10 mA	5.9 V	80+40	80+40	100+40	(8 + 1)/°C
	10.00000Ω	10 µΩ	10 mA	5.9 V	20+20	80+20	100+20	(8 + 1)/°C
	100.0000Ω	100µΩ	1mA	12.2V	20+20	80+20	100+20	(8 + 1)/°C
	1.000000kΩ	1mΩ	1mA	12.2V	20 + 6	80+6	100+6	(8 + 1)/°C
	10.00000kΩ	10mΩ	100µA	6.8 V	20 + 6	80+6	100+6	(8 + 1)/°C
	100.0000kΩ	100mΩ	10µA	12.8 V	20 + 6	80+10	100+10	(8 + 1)/°C
	1.000000MΩ	1.0Ω	10µA	12.8 V	20 + 6	80+10	100+10	(8 + 1)/°C
	10.00000MΩ	10Ω	0.7 µA //10MΩ	7.0 V	150+6	200+10	400+10	(70+1)/°C
	100.0000MΩ	100Ω	0.7 µA //10MΩ	7.0 V	800+30	2000+30	2000+30	(385 + 1)/°C
Dry Circuit Resistance	1.000000Ω	1 µΩ	10 mA	20mV	80+40	80+40	100+40	(8 + 1)/°C
	10.00000Ω	10 µΩ	1 mA	20mV	25+40	80+40	100+40	(8 + 1)/°C
	100.0000Ω	100 µΩ	100 µΩ	20mV	25+40	90+40	140+40	(8 + 1)/°C
	1.000000kΩ	1mΩ	10µA	20mV	25+90	180+90	400+90	(8 + 1)/°C
Continuity (2W)	1.000kΩ	100mΩ	1 mA	12.2 V	40+100	100+100	100+100	(8 + 1)/°C
Current	20.00000mA	10nA	<0.2 V		60+30	300+80	500+80	(50+5)/°C
	100.0000mA	100nA	<0.1 V		100+300	300+800	500+800	(50+50)/°C
	1.000000A	1.0µA	<0.5 V		200+30	500+80	800+80	(50+5)/°C
	3.000000A	10 µA	<1.5 V		1000+15	1200+40	1200+40	(50+5)/°C
Channel (Ratio)				Ratio Accuracy = Accuracy of selected Channel Range + Accuracy of Paired Channel Range
Channel (Average)				Average Accuracy = Accuracy of selected Channel Range + Accuracy of Paired Channel Range

TEMPERATURE
(Display in °C, °F, or K. Exclusive of probe errors.) Thermocouples (Accuracy based on ITS-90.)
Type	Range	Resolution	90 Day/1 Year (23°C ±5°C)		Temperature Coefficient 0°-18°C & 28°-50°C
Type	Range	Resolution	Relative to Simulated Reference Junction	Using 77xx Module	Temperature Coefficient 0°-18°C & 28°-50°C
J	-200 to +760°C	0.001°C	0.2°C	1.0°C	0.03°C/°C
K	-200 to +1372°C	0.001°C	0.2°C	1.0°C	0.03°C/°C
N	-200 to +1300°C	0.001°C	0.2°C	1.0°C	0.03°C/°C
T	-200 to +400°C	0.001°C	0.2°C	1.0°C	0.03°C/°C
E	-200 to +1000°C	0.001°C	0.2°C	1.0°C	0.03°C/°C
R	0 to +1768°C	0.1°C	0.6°C	1.8°C	0.03°C/°C
S	0 to +1768°C	0.1°C	0.6°C	1.8°C	0.03°C/°C
B	+350 to +1820°C	0.1°C	0.6°C	1.8°C	0.03°C/°C
4-Wire RTD: (100? platinum [PT100], D100, F100, PT385, PT3916, or user type, Offset compensation On)
	-200° to 630°C	0.1°C	0.6°C		0.003°C/°C
Thermistor: (2.2kΩ, 5kΩ, and 10kΩ)
	-80° to 150°C	0.01°C	0.08°C		0.002°C/°C

DC SYSTEM SPEEDS
RANGE CHANGES	50/s (42/s)
FUNCTION CHANGES	50/s (42/s)
AUTORANGE TIME	<30ms
ASCII READINGS TO RS-232 (19.2k BAUD)	55/s
MAX. INTERNAL TRIGGER RATE	2000/s
MAX. EXTERNAL TRIGGER RATE	375/s

DC MEASUREMENT SPEEDS
Single Channel, 60Hz (50Hz) Operation
Function	Digits	Readings/s	PLCs
DCV, DCI, Ω (<10M), Thermocouple, Thermistor	6.5	5 (4)	10
	6.5	35 (28)	1
	6.5	45 (36)	1
	5.5	150 (120)	0.1
	5.5	300 (240)	0.1
	5.5	500 (400)	0.1
	4.5	2500 (2000)	0.01
4WΩ (<10M)	6.5	1.4 (1.1)	10
	6.5	15 (12)	1
	5.5	33 (25)	0.1
4W? 0Comp, RTD	6.5	0.9 (0.7)	10
	6.5	8 (6.4)	1
	5.5	18 (14.4)	0.1
Channel (Ratio), Channel (AVG)	6.5	2.5 (2)	10
	6.5	15 (12)	1
	5.5	25 (20)	0.1

Multiple Channels Into Memory
7703 and 7710 Scanning DCV	230/s
7703 and 7710 Scanning with Limits or Time Stamp On	230/s
7703 and 7710 Scanning DCV alternating 2WΩ	55/s
7710 Scanning Temperature (T/C)	90/s
7700 and 7708 Scanning Temperature (T/C)	50/s

Multiple Channels Into and Out of Memory
7703 and 7710 Scanning DCV	200/s
7703 and 7710 Scanning with Limits or Time Stamp On	200/s
7703 and 7710 Scanning DCV alternating 2WΩ	45/s
7710 Scanning Temperature (T/C)	85/s
7702 Scanning DCV	65/s
7700 and 7708 Scanning Temperature (T/C)	50/s

DC SPEED vs. NOISE REJECTION
Rate	Filter	Readings/s	Digits	RMS Noise 10V Range	NMRR	CMRR
10	50	0.1 (0.08)	6.5	<1.2 µV	110 dB	140 dB
1	Off	15 (12)	6.5	<4 µV	90 dB	140 dB
0.1	Off	500 (400)	5.5	<22 µV		80 dB
0.01	Off	2500 (2000)	4.5	<150 µV		80 dB

DC MEASUREMENT CHARACTERISTICS
DC Volts
	A-D LINEARITY	2.0 ppm of reading + 1.0 ppm of range
	INPUT IMPEDANCE	100mV-10V Ranges	Selectable >10GΩ// with <400pF or 10MΩ ±1%.
		100V, 1000V Ranges	10MΩ ±1%.
		Dry Circuit	100kΩ ±1% // <1µF
	INPUT BIAS CURRENT	<75pA at 23°C
	COMMON MODE CURRENT	<500nApp at 50Hz or 60Hz
	AUTOZERO ERROR	Add ±(2ppm of range error +5µV) for <10 minutes and ±1°C
	INPUT PROTECTION	1000V, all ranges, 300V with plug-in modules
Resistance
	MAX 4W? LEAD RESISTANCE	80% of range per lead (Dry Ckt Mode). 5Ω per lead for 1Ω range, 10% of range for 10Ω, 100Ω and 1kΩ ranges; 1kΩ per lead for all other ranges
	OFFSET COMPENSATION	Selectable on 4WΩ, 1Ω, 10Ω, 100Ω, 1kΩ, and 10kΩ ranges
	CONTINUITY THRESHOLD	Adjustable 1 to 1000Ω.
	INPUT PROTECTION	1000V, all Source Inputs, 350V Sense Inputs, 300V with plug-in modules
DC Current	SHUNT RESISTORS	100mA-3A, 0.1Ω. 20mA, 5Ω
	INPUT PROTECTION	3A, 250V fuse
Thermocouples	CONVERSION	ITS-90
	REFERENCE JUNCTION	Internal, External, or Simulated (Fixed)
	OPEN CIRCUIT CHECK	Selectable per channel. Open >11.4k ±200Ω
	EARTH ISOLATION	500V peak, >10GΩ and <300pF any terminal to chassis

AC SPECIFICATIONS
FUNCTION	RANGE	RESOLUTION	Calibration Cycle	Accuracy: ±(% of reading + % of range), 23°C ±5°C
FUNCTION	RANGE	RESOLUTION	Calibration Cycle	3 Hz- 10 Hz	10 Hz- 20 kHz	20 kHz- 50 kHz	50 kHz- 100 kHz	100 kHz- 300 kHz
Voltage	100.0000mV	0.1µV	90 Days (all ranges)	0.35+0.03	0.05+0.03	0.11+0.05	0.6+0.08	4.0+0.5
	1.000000V	1.0µV	90 Days (all ranges)
	10.00000V	10µV	1 Year (all ranges)	0.35+0.03	0.06+0.03	0.12+0.05	0.6+0.08	4.0+0.5
	100.0000V	100µV
	750.000V	1.0mV
			(Temp. Coeff.)/°C	0.035 + 0.003	0.005 + 0.003	0.006 + 0.005	0.01 + 0.006	0.03 + 0.01
				3 Hz-10 Hz	10 Hz-3 kHz	3 kHz-5kHz
Current	1.000000A	1.0µA	90 Day/1 Yr	0.30+0.04	0.10+0.04	0.14+0.04
	3.00000A	10µA		0.35+0.06	0.15+0.06	0.18+0.06
			(Temp. Coeff.)/°C	0.035 + 0.006	0.015 + 0.006	0.015 + 0.006
				Accuracy ±(ppm of reading + offset ppm) (3 Hz-500 kHz) (333 ms-2 µs)
Frequency 4 and Period	100mV to 750V	0.333ppm	90 Day/1 Yr	80 ppm + 0.333 ppm (SLOW, 1s gate)
		3.33ppm		80 ppm + 3.33 ppm (MED, 100ms gate)
		33.3ppm		80 ppm + 33.3 ppm (FAST, 10ms gate)

Additional Uncertainty ±(% of reading)
Low Frequency Uncertainty			MED	FAST
20Hz-30Hz			0.3
30Hz-50Hz			0
50Hz-100Hz			0	1.0
100Hz-200Hz			0	0.18
200Hz-300Hz			0	0.10
>300Hz			0	0
CREST FACTOR	1–2	2–3	3–4	4-5
Additional Uncertainty	0.05	0.15	0.30	0.40
Maximum Crest Factor	5 at full-scale

AC MEASUREMENT CHARACTERISTICS
AC Volts	MEASUREMENT METHOD	AC-coupled, True RMS
	INPUT IMPEDANCE	1MΩ ±2% // by <100pF
	INPUT PROTECTION	1000Vp or 400VDC, 300Vrms with plug-in modules
AC Current	MEASUREMENT METHOD	AC-coupled, True RMS
	SHUNT RESISTANCE	0.1Ω
	BURDEN VOLTAGE	1A <0.5Vrms, 3A <1.5Vrms. Add 1.5Vrms when used with plug-in modules
	INPUT PROTECTION	3A, 250V fuse
AC General	AC CMRR	70dB
AC General	VOLT HERTZ PRODUCT	=8 × 10 Volt-Hz

AC MEASUREMENT SPEEDS
Single Channel, 60Hz (50Hz) Operation
Function	Digits	Readings/s	Rate	Bandwidth
ACV, ACI	6.5	2s/Reading	SLOW	3 Hz-300 kHz
	6.5	4.8 (4)	MED	30 Hz-300 kHz
	6.5	40 (32)	FAST	300 Hz-300 kHz
Frequency, Period	6.5	1 (1)	SLOW	3 Hz-300 kHz
	5.5	9 (9)	MED	30 Hz-300 kHz
	4.5	35 (35))	FAST	300 Hz-300 kHz
	4.5	65 (65)	FAST	300 Hz-300 kHz