Specifications
- Function
- signature analysis, totalising, frequency, DC and differential voltage, resistance, peak voltage
- Measuring ranges
- frequency 200 kHz / 2 MHz / 20 MHz; DC ±20 / ±200 V; 20 kΩ – 2 MΩ; peak 0 … ±12 V
- Accuracy
- DC voltage ±(0.02% of reading + 0.02% of range)
- Display
- 4 and 4½ digits
- Outputs / interface
- RS 232
- Dimensions
- 90 × 300 × 300 mm
- Weight
- 3 kg
Sources: [2]
Description
The Signum 3000 is an intelligent instrument for research, production and servicing of electronic equipment such as computers and terminals (CORAL, INDEPENDENT, CUB, DAF, VDT), made by IEMI in Bucharest [1]. It is in IEMI’s 1988 range, and the book counts it among the company’s modern, high-technology products [1].
Annex III.2.10 calls it a multimeter with signature analysis: it combined a signature analyser (clock up to 10 MHz), a multimeter, a digital frequency meter and a transition counter, so that the analogue parameters and the digital behaviour of circuit nodes could be measured without switching functions. Its functions could be programmed from the panel or through an RS 232 interface, with autoranging, automatic calibration and self-diagnosis at power-on [2].
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References
- [1]N. Millea (coord.) et al. – „Electronica românească. O istorie trăită”, vol. II „Electronica profesională”, AGIR, sections III.2 „Producția IEMI” and III.3 „Comentarii tehnico-economice”, pp. 302–317, and annex III.2.3 „Producția IEMI – aparate electronice de măsură și industriale”, pp. 383–386
- [2]N. Millea (coord.) et al. – „Electronica românească. O istorie trăită”, vol. II „Electronica profesională”, AGIR, annex III.2.10 „Aparate pentru măsurarea parametrilor componentelor și circuitelor”, pp. 634–646