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Lab-Volt 438 Test Module Meter VOM Sine/square wave generator AC/DC Power Supply
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Lab-Volt 438 Test Module Meter VOM Sine/square wave generator AC/DC Power Supply We gladly ship Worldwide* Scroll down for more Photos and details Festo/Lab-Volt 438 Laboratory Instrument System Test Module DC Meter VOM Sine/Square Wave Generator AC/DC Power Supply All-IN-ONE! These are about $1500 new. Good physical shape with power cord. powered on and everything seems to work well. The Laboratory Instruments module provides a compact combination of equipment which is invaluable for troubleshooting, experimentation, education and training. Utilizing semiconductor circuitry, it is highly reliable and accurate. The modules design protects the instruments from inadvertent short circuits and overloads, a feature which is essential in school laboratory situations. The Laboratory Instruments module consists of the following devices: DC meter Electronic volt-ohm-millimeter (VOM) Sine/square wave generator AC/DC power supply These instruments are housed in an enclosure that complements the Electricity and Electronics Training Systems, Series 556(not included). The module may be permanently attached to a bench. Features & Benefits Practical and versatile Two meters for concurrent voltage and current measurements Several voltage and current ranges can be measured All test jacks are color-coded for easy identification Convenient carrying handles make permanent attachment possible and protect the instrumentation on the front panel Safe and durable All components, switches and terminals are mounted to resist tampering Protection mechanisms, such as internal semiconductor devices, are included against overvoltage and improper current connections The dc meter provides quick and accurate measurements of dc voltages (three ranges) and currents (four ranges). A switch is used to select either voltage or current measurements. The dc meter movement has a 100 , high-torque, taut-band suspension. The electronic VOM is essential for use in any electronics laboratory. The Laboratory Instruments module can operate as a dc voltmeter, ac voltmeter, ohmmeter, dc ammeter, and ac ammeter covering many ranges. The electronic VOM can also be used as a galvanometer when set to zero center. Both the electronic VOM and dc meters have easy-to-read scales and provide simultaneous voltage and current measurements. Each instrument is fully protected against improper voltage and current connections. All minus and common jacks are isolated from the chassis. The sine and square-wave generator has separate outputs to supply both wave shapes simultaneously. The frequency is selectable in four ranges from 50 Hz to 500 kHz. The sine wave output is continuously adjustable from 0 V p-p to 6 V p-p. A fixed, 1 kHz signal is switch-selectable for 50% internal modulation of the sine wave. The ac/dc power supply is a fully protected sourve for four switchable ac voltages and two continuously adjustable dc ranges. An illuminated switch controls power to the entire instrument module. Specifications Power Requirements Current 2 A Service Installation Standard single-phase outlet DC Meter Meter Movement 100 , high-torque, taut-band suspension; completely shielded DC Voltmeter Ranges 2 V, 20 V, and 200 V DC Voltmeter Accuracy % of full scale DC Ammeter Ranges 2 mA, 20 mA, 200 mA, and 2A DC Ammeter Accuracy % of full scale Protection All input terminals are fully protected against improper connections to circuit voltages and currents under normal laboratory conditions Electronic VOM Operation 2 rotary switches are used to select electronic VOM functions and ranges Meter Movement 1 mA, high-torque, taut-band suspension, fully shielded AC/DC Voltmeter Ranges 0 to 0.2, 2, 20, 200 V, 2 kV (500 Vdc/300 Vac max. input on 2 kV range) AC/DC Voltmeter Input Resistance 1 Mon all ranges AC/DC Voltmeter Frequency Response Less than 1 dB from 40 Hz to 50 kHz AC/DC Voltmeter Accuracy % of full scale AC/DC Millimeter Ranges 0 mA to 0.2 mA, 2 mA, 20 mA, 200 mA, and 2 A Ohmmeter Ranges 1 , 100 , 10 k, 1 M Ohmmeter Power Source 1.2 V dc at 130 mA on W x 1 range into a short circuit Ohmmeter Accuracy % of full scale Protection All input terminals are fully protected against improper connections to circuit voltages and currents under normal laboratory conditions Sine-Wave Generator Frequency Range 50 Hz to 500 kHz in four ranges Dial Accuracy Within 5% of max. dial setting for each range Distortion Less than 3% over entire range Output Level 6 V p-p min. into an open circuit (continuously adjustable) Output Flatness Less than 1 dB from 50 Hz to 200 kHz, less than dB from 200 kHz to 500 kHz Output Impedance 600 Modulation 50% at 1000 Hz typical Square-Wave Generator Frequency Range 50 Hz to 500 kHz in four ranges Output Level 0 to V dc, fixed, into an open circuit (will directly drive TTL circuits) Rise and Fall Time 100 ns typical Asymmetry Typically less than 6% AC/DC Power Supply AC Output Voltages 6.3 V, 20 V, 30 V, and 40 V in fixed steps, 15% at 120/240 V ac line input AC Output Current 1 A max. AC Load Regulation 20% at 120/240 V ac line input AC Overload Protection Resettable circuit breaker AC Isolation Floating-isolated from line and panel ground; 1 terminal may be grounded externally DC Output Voltages 2-10 V, 10-20 V, continuously variable within ranges DC Output Current 1 A max. DC Regulation Line: 0.02% at full load; Load: 1.0% 60 mV, no load to full load DC Ripple Less than 10 mV rms DC Overload Protection Automatic power supply shut down AC Voltages Output Voltages 6.3 V, 20 V, 30 V, and 40 V in fixed steps, 15% at 120/240 V ac line input Output Current 1 A max Load Regulation 20% at 120/240 V ac line input Overload Protection Resettable circuit breaker Isolation Floating-isolated from line and panel ground; 1 terminal may be grounded externally DC Voltages Output Voltages 2-10 V, 10-20 V, continuously variable within ranges Output Current 1 A max Regulation Line: 0.02% at full load; Load: 1.0% 60 mV, no load to full load Ripple Less than 10 mV rms Overload Protection Automatic power supply shut down Physical Characteristics Dimensions (H x W x D) 310 x 330 x 300 mm (12 x 13 x 11.75 in) Net Weight 10.5 kg (23 lb) Don't forget to place your buy. 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