Home > Products > Material characterization products > MeasureReady® > 155 AC/DC current and voltage source/technical-specifications

155 low-noise current and voltage source specifications

Voltage source specifications

DC/peak ranges	Maximum peak current	Maximum peak power	Programming resolution (0.001%)	DC accuracy (1 year) calibration temperature °C ± 5 °C+ (% setting + offset)^1,7	AC accuracy (1 year) calibration temperature °C ± 5 °C + (% setting + % range)^1,2,3	Temperature coefficient/°C 10 °C to 35 °C ± (% setting + offset)	Typical noise (pk-pk/RMS) 0.1 Hz to 10 Hz⁵	Typical noise (pk-pk/RMS) 10 Hz to 100 kHz⁵
10 mV	100 mA	1 mW	100 nV	0.2% + 140 µV	—	0.014% + 2 µV	1 µV/200 nV	45 µV/9 µV
100 mV		10 mW	1 µV	0.055% + 140 µV	0.5 % + 0.2% (up to 20 kHz)	0.0014% + 2 µV	1 µV/200 nV	45 µV/9 µV
1 V		100 mW	10 µV	0.045% + 170 µV		0.0007% + 3 µV	1.5 µV/300 nV	45 µV/9 µV
10 V		1 W	100 µV	0.045% + 500 µV		0.0007% + 30 µV	10 µV/2 µV	75 µV/15 µV
100 V	10 mA	1 W	1 mV	0.055% + 6 mV		0.0009% + 300 µV	100 µV/20 µV	750 µV/150 µV

Current source specifications — low voltage compliance

DC/peak ranges	Peak compliance voltage	Maximum peak power	Programming resolution (0.001%)	DC accuracy (1 year) calibration temperature °C ± 5° C + (% setting + offset)¹	AC accuracy (1 year) calibration temperature °C ± 5° C + (% setting + % range)^1,2	Temperature coefficient/°C 10 °C to 35 °C ± (% setting + offset)	Typical noise (pk-pk/RMS) 0.1 Hz to 10 Hz⁵	Typical noise (pk-pk/RMS) 10 Hz to 100 kHz⁵
1 µA	10 V	10 µW	10 pA	0.05% + 500 pA	—	0.0008% + 4 pA	40 pA/8 pA	10 nA/2 nA
10 µA		100 µW	100 pA	0.05% + 1.5 nA	—	0.0008% + 40 pA	40 pA/8 pA	10 nA/2 nA
100 µA		1 mW	1 nA	0.05% + 15 nA	1% + 0.2% (up to 20 kHz)	0.0008% + 400 pA	200 pA/40 pA	10 nA/2 nA
1 mA		10 mW	10 nA	0.05% + 150 nA		0.0008% + 4 nA	2 nA/400 pA	20 nA/4 nA
10 mA		100 mW	100 nA	0.055% + 2.5 µA		0.0008% + 40 nA	20 nA/4 nA	200 nA/40 nA
100 mA		1 W	1 µA	0.1% + 70 µA		0.0008% + 400 nA	200 nA/40 nA	2 µA/400 nA

Current source specifications — high voltage compliance

DC/peak ranges	Peak compliance voltage	Maximum peak power	Programming resolution (0.001%)	DC accuracy (1 year) calibration temperature °C ± 5 °C+ (% setting + offset)¹	AC accuracy (1 year) calibration temperature °C ± 5 °C + (% setting + % range)^1,2	Temperature coefficient/°C 10 °C to 35 °C ± (% setting + offset)	Typical noise (pk-pk/RMS) 0.1 Hz to 10 Hz⁵	Typical noise (pk-pk/RMS) 10 Hz to 100 kHz⁵
1 μA	100 V	100 µW	10 pA	0.08% + 500 pA	—	0.0025% + 4 pA	35 pA/7 pA	5 nA/1 nA
10 μA		1 mW	100 pA	0.08% + 1.5 nA	—	0.0025% + 40 pA	35 pA/7 pA	5 nA/1 nA
100 μA		10 mW	1 nA	0.08% + 15 nA	1% + 0.2% (up to 20 kHz)	0.0025% + 400 pA	250 pA/50 pA	5 nA/1 nA
1 mA		100 mW	10 nA	0.08% + 150 nA		0.0025% + 4 nA	2.5 nA/500 pA	40 nA/8 nA
10 mA		1 W	100 nA	0.08% + 1.5 µA		0.0025% + 40 nA	25 nA/5 nA	400 nA/80 nA

Additional specifications

Output selection modes	Voltage or current
Range selection modes	Manual, autorange
Current source compliance selection	10 V or 100 V
Programmable limits (DC only)	I out: compliance voltage, V out: current limit
Accuracy	Positive output: +10%/-0% of setting (when setting is ≥10% of its full-scale range); Negative output: -10%/+0% of setting (when setting is ≥10% of its full-scale range)
Programming resolution	Current limit: 0.1% of full-scale current range (auto selected) Voltage limit: 10 mV (10 V compliance), 100 mV (100 V compliance)
Polarity	Bipolar, 4-quadrant
Load impedance	Capable of driving any resistive load within the I and V limitations of the source; stability maintained with reactive loads up to 50 µF or 1 mH (with 100 Ω damping)
AC frequency range	100 mHz to 100 kHz
AC frequency accuracy	±0.06%
AC signal types	Sine
Total harmonic distortion	<0.1% from DC to 20 kHz, <1% from 20 kHz to 100 kHz
Sample rate	600 kilosamples per second
Noise (10 Hz to 40 MHz)^2,5	Voltage: ≤700 µV RMS, across all ranges Current: ≤8 µA RMS (400 µV RMS across 50 Ω), across all ranges
Load regulation²	Voltage: 10 V range and below: <0.2% of range, 100 V range: <0.01% of range; Current: 10 V compliance: <0.01% of range, 100 V compliance: <0.01% of range
Settling times	Voltage: time to reach final value at open load condition: 25 µs Current: time to reach final value into a given load⁴: 25 µs
Output lead connections	Output HI, Output LO, Guard, Chassis Ground
Connector type	Front: safety banana jack Rear: BNC or triaxial (user selectable between front and rear panel)
Guard output	Maximum load current: 1 mA peak
Power up protection	Output terminals floating on power up
Additional output features	User-specified output setting limit, enable/disable output setting
Warm-up time	30 min (to achieve specified accuracy)
Isolation	Source output isolated from chassis ground
Output capacitance	Front: <100 pF, rear: <50 pF

Reference output

Signal type	Synchronous with the source output signal, referenced to chassis ground
Amplitude	0 to +3.3 V nominal
Accuracy⁵	Voltage: ±3°, up to 10 kHz Current⁶: ±4°, up to 10 kHz
Phase compensation	-180.0° to +180.0° with 1° resolution
Connector	BNC
Waveform	Square wave

¹ Calibration temperature is the ambient temperature during factor calibration, typically, 23 °C; reported by the instrument
² Specification guaranteed on the rear panel only
³ Guaranteed into load no greater than 100 pF
⁴ Loads for current settle time: 100 mA range: 100 Ω, 1 mA and 100 μA ranges: 10 kΩ, 10 μA, and 1 μA ranges: short
⁵ Representative values
⁶ Measured into 10 Ω resistor for 100 mA and 10 mA ranges with compliance voltage <10 V; measured into transimpedance amplifier with 1 kΩ feedback resistor for other cases
⁷ Calibrated into >10 GΩ load

LabVIEW™ is a trademark of National Instruments. Neither Lake Shore Cryotronics, nor any software programs or other goods or services offered by Lake Shore, are affiliated with, endorsed by, or sponsored by National Instruments.

Front panel

Display

5 in capacitive touch, color TFT-LCD WVGA (800 × 480) with LED backlight

Interface

USB host
Type	USB 3.0, mass storage class (MSC) device
Function	Firmware updates, flash drive support
Location	Rear panel
Connector	USB Type-C™
USB device
Type	USB 2.0
Function	Emulates a standard RS-232 serial port
Protocol	Standard commands for programmable instruments (SCPI)
Baud rate	115,200
Connector	USB Type-B
Software support	LabVIEW™ and IVI.NET drivers
Ethernet
Function	TCP/IP command and control, mobile app
App. layer protocol	Standard commands for programmable instruments (SCPI)
Connector	RJ-45
Speed	1 Gb/s
Software support	LabVIEW™ and IVI.NET drivers

Digital IO

Connector	6-pin 3.5 mm detachable terminal block
Output	2 TTL compatible output (3.3 V_high nominal at 1 mA)
Input	2 TTL compatible input; V_high nominal: 3.3 V; V_low nominal: 0 V
Grounding	Referenced to chassis ground

General

Safety interlock	2-pin, 5.0 mm detachable terminal block, maximum 10 Ω external circuit impedance
Ambient temperature	10 °C to 35 °C at rated accuracy; 5 °C to 40 °C at reduced accuracy
Power requirement	100 V to 240 V (universal input), 50 to 60 Hz, 30 VA
Size	217 mm W × 87 mm H × 369 mm D (8.5 in × 3.4 in × 14.5 in), half rack
Weight	3.2 kg (7 lb)
Approval	CE mark