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Low-Cost Accelerometers

Low-Cost Accelerometers

Low-Cost Accelerometers

Product catalog summary
Overview: This document provides technical specifications and details for low-cost precision accelerometers models KD37, KD38, KD41, and KD42. These sensors are designed with compression ceramics and offer charge output without requiring external power. They are housed in sturdy stainless steel with an M5 mounting thread in the base.
Specifications:
  • Output: Charge output with piezo design and compression principle.
  • Charge Sensitivity: KD37 and KD38 have a sensitivity of 60±20% pC/g, while KD41 and KD42 have 100±20% pC/g.
  • Measurement Range: KD37 and KD38: +5000 / -1000 g; KD41 and KD42: +1000 / -300 g.
  • Linear Frequency Range: Varies by model, with maximums of 15000 Hz for KD37 and KD38, and 11000 Hz for KD41 and KD42.
  • Resonant Frequency: Greater than 25 kHz for KD37 and KD38, and greater than 20 kHz for KD41 and KD42.
  • Environmental Characteristics: Operating temperature range is -35 to 150°C for all models.
  • Mechanical Data: Weight without cable ranges from 45 g to 65 g depending on the model. All models use stainless steel for the case material.
Accessories:
  • Connection Accessories: Includes low noise cables, couplers, and various adapters.
  • Mounting Accessories: Includes probes, mounting studs, insulating flanges, and magnetic bases.
Ordering Information: Sensors can be ordered with an accessories kit or with a data sheet. Calibration certificates are available upon request.
Additional Notes: Specifications are subject to change without prior notice. The document also includes contact information for Metra Meß- und Frequenztechnik in Radebeul e.K.
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Catalog excerpts

Low-Cost Accelerometers-1

Low-Cost-Beschleunigungsaufnehmer Low-Cost Accelerometers 1.4 Sensoren Sensors KD37 KD38 KD41 KD42 Eigenschaften Properties Preiswerte Prazisionsaufnehmer mit Kompressions-keramik Օ Ladungsausgang, keine Hilfsenergie erforderlich Hoher Dynamikbereich Օ Robustes Edelstahlgehause Befestigung mit M5-Gewinde im Boden Օ Low-cost precision accelerometers with compression ceramics Charge output, no external power required Օ Wide dynamic range Sturdy stainless steel housing Օ M5 mounting thread in base KD37 KD38 KD41 KD42 KD37 KD38 KD41 KD42 Ausgang Output Ladung Օ Charge Piezosystem Piezo design Kompressionsprinzip Օ Compression design Ladungsbertragungsfaktor Charge sensitivity B qa 60±20 % 60±20 % 100±20 % 100±20 % pC/g Messbereich 땕 Range a / a + - +5000 / -1000 + 1000 / -300 g Linearer Frequenzbereich Linear frequency range 3 dB f10 % 10 % f5 % 5 % 15000 10000 7000 15000 10000 7000 11000 6500 5000 11000 6500 5000 Hz Hz Hz Resonanzfrequenz Օ Resonant frequency f r > 25 > 25 > 20 > 20 kHz Querrichtungsfaktor Transverse sensitivity 90MAX < 10 < 10 < 10 < 10 % Kapazitat ohne Kabel Օ Capacitance without cable C I 0,8 0,8 0,8 0,8 nF Verhalten gegenuber Umgebungseinflussen Environmental characteristics Arbeitstemperaturbereich Օ Operating temperature range T i /T min max -35 / 150 -35 / 150 -35 / 150 -35 / 150 °C Temp.-koeffizient der Empfindl. Temp. coefficient of sensitivity TK(B ) qa 0,07 0,07 0,07 0,07 %/K Temp.-koeffizient der Kapazitat. Օ Temp. coefficient of capacitance TK(CI) 0,26 0,26 0,26 0,26 %/K Temperatursprungempfindlichkeit Temperature transient sensitivity b aT 30 30 10 6 ms-2/K Messobjektdehnungsempfindlichkeit Օ Base strain sensitivity b S aS 0,2 0,5 0,1 0,1 ms-2/|jD Magnetfeldempfindlichkeit Magnetic field sensitivity b aB 10 10 10 5 ms-2/T Schalldruckempfindlichkeit Օ Acoustic noise sensitivity b P aP 0,1 0,1 0,03 0,04 ms2/kPa Mechanische Daten Mechanical data Masse ohne Kabel Օ Weight without cable m 45 / 1,6 45 / 1,6 60 / 2,1 65 / 2,3 g / oz Gehausematerial Case material Edelstahl Օ Stainless steel Kabelanschluss Cable connection radial axial radial axial Buchse Օ Socket UNF10-32 UNF10-32 UNF10-32 UNF10-32 Befestigung Mounting M5-Bodengewinde Օ M5 thread in base

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Low-Cost Accelerometers-2

Typischer Frequenzgang Typical Amplitude Response % KD37 / KD38 30 Bua(f) % 30 20 10 0 -10 KD41 / KD42 Bua(f) 20 10 0 -10 0,1 10 100 1000 10000 Hz 0,1 10 100 1000 10000 Hz Passendes Zubehr Suitable Accessories KD37 / KD38 / KD41 / KD42 Anschluss-zubeh䕴r 009: Stմrarmes Kabel 2 x UNF 10-32; 1,5 m lang; 80 °C 009/T: Stմrarmes Kabel 2 x UNF 10-32; 1,5 m lang, 200 °C 009/5/10: Stմrarmes Kabel 2 x UNF 10-32; 5 / 10 m lang 016: Kupplung fur 2 UNF 10-32-Stecker Օ 017: Adapter UNF 10-32 / BNC (mannlich) 117: Adapter UNF 10-32 / BNC (weiblich) Օ 025: Adapter UNF 10-32 / TNC (mannlich) 009: Low noise...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.