Specifications
- Function
- moisture of grain and seeds
- Measuring ranges
- 8–20% (wheat, rye, barley, oats, rice); 7–17% (beans); 8–36% (maize); 6–20% (sunflower)
- Accuracy
- 1% moisture
- Construction
- transistors
- Power supply
- 2 × BUB 4.5 batteries (9 V)
- Dimensions
- 215 × 360 × 280 mm (W × H × D)
- Weight
- 7 kg
Sources: [3]
Description
The N3001 is an electronic moisture meter for seeds, made by IEMI in Bucharest and designed at the ICE research institute in Bucharest [1]. It was made for the grain and industrial-crop reception centres of the Ministry of Agriculture [1].
ICE’s laboratory for electronic instruments for measuring non-electrical quantities designed approved prototypes for many branches of the economy: strain gauge equipment (some configurations were exported to East Germany in 1971–1974 and 1977–1989), vibration meters, dimensional gauges, ultrasonic non-destructive testers, geophysical well-logging equipment and railway equipment [1]. Its designs were made in series at IEMI (27 types) and at the Precision Mechanics Enterprise (5 types), or in ICE’s microproduction workshop (45 types) for small series and one-off models [1].
It is also known as T-1 [2]. IEMI’s production table lists 4,407 units made in 1971–1985 [2].
Annex III.2.11 describes a portable, fully transistorised, battery-powered instrument for quickly determining the moisture of wheat, rye, maize, barley, oats, rice, sunflower seed and beans, which could also be calibrated for other granular products. It came with a weighing dispenser (up to 200 g), a set of weights and a Weiss thermometer, and weighed about 7 kg with its accessories and transport case; the accuracy was 1% moisture for all products, with a temperature correction of 0.1%/°C between +10 and +30 °C [3].
Gallery
No other images available yet.
Schematics
No schematics available yet.
Documents
No documents available yet.
References
- [1]N. Millea (coord.) et al. – „Electronica românească. O istorie trăită”, vol. II „Electronica profesională”, AGIR, section II.4.2 „Laborator aparate electronice pentru măsurarea mărimilor neelectrice și aplicații industriale”, pp. 116–122
- [2]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
- [3]N. Millea (coord.) et al. – „Electronica românească. O istorie trăită”, vol. II „Electronica profesională”, AGIR, annex III.2.11 „Aparate pentru măsurarea mărimilor neelectrice”, pp. 647–655