5-1/2 Digit Multimeters For the PC ISA Bus SM-2020 Products Hardware Features · · Flexible, full featured autoranging DMM · · DC & AC Volts & Current, 2-Wire & 4-Wire Ohms · · True AC RMS measurements, 10Hz to 100kHz · · Measure 1m mV to 300 V · · Self-calibrating · · Up to 1000 samples/sec for SM-2020CT (200 samples/sec for SM-2020) · · Optional frequency counter 2 Hz to 300kHz (SM-2020CT) · · 300V isolation barrier · · approved Software Features Description · · Extensive Windows support Win 3.x, Win 95, Win NT The SM-2020 is a 5-1/2 digit DMMmanipulate the virtual front panel · · Language support - Visual that plugs into any full length PC ISA Basic, MSVisual C++, Quick C, bus slot. It has all the functionality and Automated applications can be Borland C++rance of a bench top in The SM-2020CT version adds · · Package support - ATEasy Matlab, TestPoint, Visual Basic or C. frequency counting, external triggering LabWindows, Matlab, To get you started, source code for the TestPoint, VBA & more virtual front panel (written in Visual The PC plug-in design provides the Applications The SM-2020 is controlled with high in the smallest possible footprint with · Automated production testing level commands to its on-board no compromise in performance. There controller. The controller both · · Laboratory automation - simplifies programming and minimizes · · Portable/field test necting cables or power cables. Signal overhead on the PC. This architecture leads go straight from the SM-2020 in also insures that the SM-2020 will Models your PC to the device under test or a operate efficiently with all operating scanner. It couldn’t be more straight systems even those with slower real Full featured 5-1/2 digit DMM The front panel for the SM-2020 For safety and accuracy the SM-2020 has a 300V isolation barrier from the familiar DMM controls are available on PC. The input protection avoids counter, external level triggering, this virtual front panel in either DOS or damage from inadvertent out of range Windows. You can control theand 1000 readings/sec. (buffered) events. Accuracy is maintained with SM-2020 without any programming or state of the art, precision analog â S/W tion using your mouse to Signametrics Corporation th 6073 50 Avenue N.E., Seattle, WA 98115 Signametrics Phone (206) 524-4074, FAX (206) 525-8578 Precision Instruments for the PC EMail sig_sales@signametrics.com components. configura SM-2020 Windows NT Same as SM-2020 with frequency appears on your PC monitor. All of the SM-2020CT time response. forward. SM-2020 is no dealing with unnecessary intercon mentconvenience of automated measure -2020.Basic) is provided with your SM and a programmable level trigger. LabWindows,ATEasy, configured with strument.formpe controls straight out of the box. SM-2020 shown without protective covers 5-1/2 Digit Multimeters For the PC ISA Bus SM-2020 Products Use The “No Programming” Panel The Windows control panel software that comes with your SM-2020 allows you to start using your DMM control over all instrument functions. The input signal value is shown in a display panel as well as in scope trace format. Acquired data sets can be transferred to common spreadsheet and data base applications using Windows DDE. The panel handles many applications control panel application (written in Visual Basic) is operating system environments. The following table Win 3.X Win 95 Packages Simplify Application X X XControl Panel Development XMS/Borland C X XVisual Basic 3.0 Data acquisition and ATE packages can be used to XVisual Basic 4.0 configure SM-2020 applications. These packages X X simplify development of complete applications usingX either graphical or task list based configurationX32 bit OCX techniques. SM-2020 driver support is available for Matlab can Drivers for DOS, Windows 3.x and Windows 95 are a total of 46 well documented functions. The .OCX Language Based Applications control can be linked to a wide variety of Win 95 applications. It is also a handy tool for off line control Language based programming allows the highest level flexibility in configuring an application. Drivers are Optional 32 bit support SW for Windows NT is provided with the SM-2020 to support application development in a variety of language and Block Diagram Frequency Counter & UART Trigger FIFO A/D Controller300 Volt Isolation Scaling Protection & IsolatedPC ISA Bus Power SupplyInterface PC ISA Bus Signametrics Precision Instruments for the PC 4W Sense/I Hi 4W Sense/I Low V/Ohms Low V/Ohms High Trigger 2 Trigger 1 EMail for a data sheet.available. Call or of the SM-2020 during development. included with each SM-2020. These drivers implement be supported using Windows DLLs (16/32 bit). LabWindows CVI, TestPoint, and ATEasy. 32 bit DLL 16 bit DLL DOS summarizes software availability: provided. without modification. If you want to make changes, the immediately. The control panel provides point and click 5-1/2 Digit Multimeters For the PC ISA Bus SM-2020 Products Specifications SM-2020 and SM-2020CT DC Voltage Full Scale 5 1/2 Digits 300 mV 300.000 mV 1 0.024 + 6 3 V 3.00000 V 10 0.010 + 4 30 V 30.0000 V 100 0.022 + 5 300 V 300.000 V 1 mV0.018 + 5 Resistance, 2-wire and 4-wire ± (% of reading + Num Full Scale 5 1/2 Digits 300 W 300.000 W .001 W0.030 + 6 3 k W 3.00000 k W .01 W0.029 + 4 30 k W 30.0000 k W .1 W0.029 + 5 300 k W 300.000 k W 1 W0.029 + 5 3 M W 3.00000 M W 10 W0.190 + 10 30 M W 30.0000 M W 100 W0.650 + 10 AC Voltage, True RMS 300 mV 2.5 + 400 1.0 + 400 0.3 + 300 0.4 + 350 2.0 + 400 4.0 + 500 3 V - 250 V 2.5 + 300 1.0 + 300 0.1 + 275 0.3 + 275 1.0 + 300 4.0 + 500 DC Current Full Scale 5 1/2 Digits 3 3.00000 10 0.070 + 8 30 30.0000 100 0.090 + 15 300 300.000 1 0.090 + 15 Signametrics Precision Instruments for the PC uAmAmA nAmAmA nAmAmA One Year Accuracy 18°C to 28°CResolutionRange ± (% of reading + Number of counts) 50 kHz - 100 kHz 10 kHz - 50 kHz 1 kHz - 10 kHz 45 Hz - 1 kHz 20 Hz - 45 Hz 10 Hz - 20 Hz 50 kHz - 100 kHz 10 kHz - 50 kHz 1 kHz - 10 kHz 45 Hz - 1 kHz 20 Hz - 45 Hz 10 Hz - 20 Hz One Year Accuracy 18°C to 28°CFrequencyRange ± (% of reading + Number of counts) One Year Accuracy 18°C to 28°CResolutionRange ber of counts) uV uV uV One Year Accuracy 18°C to 28°CResolutionRange ± (% of reading + Number of counts) 5-1/2 Digit Multimeters For the PC ISA Bus SM-2020 Products Specifications SM-2020 and SM-2020CT- continued AC Current, True RMS ± (% of reading + Number of counts) 3 2.2 + 400 0.8 + 400 0.7 + 300 0.8 + 400 2.0 + 300 0.8 + 300 0.7 + 300 0.8 + 400 SM-2020CT Specifications The SM-2020CT is identical to the SM-2020 with the addition of a frequency and period counter, an isolated external H/W trigger, signal level triggering capability, and an internal 64 reading buffer capable of acquisition rates up to 1000 samples/sec. Frequency Measurement 2 Hz to 300 kHz (Voltage inputs), 2 Hz to 30 kHz (Current inputs), 100 External Hardware Trigger ±3 V to ±15 V input voltage levels to activate, optically isolated from PC and DMM inputs Other Specifications Reading Rate1 to 200 readings/sec (0.1 to 20 W), Isolation Temperature Range Power+5 volts, 300 Size13 1/8” x 4 1/2” (1 full length ISA slot) Warranty Signametrics products are warranted for a period of one year from date of delivery against defects in Signametrics’ Company Background - Signametrics Corporation Signametrics Corporation manufactures precision instruments for the PC environment. The Company’s products are aimed at applications requiring a combination of a high quality instrument with the PC’s ability to automate applications. Signametrics products plug in to the PC ISA bus to offer cost effective, Signametrics design team has many years of experience designing bench top instruments. The result is a family of PC instruments that maintain accuracy and performance even in the PC’s electrically noisy Signametrics events that occur with bench top instruments. Attention to reliability in the design phase results in Signametrics Corporation th 6073 50 Avenue N.E., Seattle, WA 98115 Signametrics Phone (206) 524-4074 FAX (206)525-8578 Precision Instruments for the PC EMail sig_sales@signametrics.com instruments that typically demonstrate 50,000 hour MTBF in operation. instruments are designed to sustain, without damage, the inevitable over voltageenvironment. The compact solutions for a wide range of automated test and measurement requirements. option.material or workmanship. Returned product will either be repaired or replaced at mA maximum 0°C to 50°C, operating 300 VDC, 250 VAC from Earth Ground for SM-2020CT up to 1000 samples/sec to buffer rps for 4W ppm uncertainty 1 kHz - 10 kHz 45 Hz - 1 kHz 20 Hz - 45 Hz 10 Hz - 20 HzmA 30-300 1 kHz - 10 kHz 45 Hz - 1 kHz 20 Hz - 45 Hz 10 Hz - 20 HzmA One Year Accuracy 18°C to 28°CFrequencyRange