Accelerometer For Aerospace

ER-T1 high precision accelerometerER-T1 high precision accelerometer, with high reliability, was mainly used in the inertial measurement and testing system in the aerospace, aviation field. It can be used for static testing, and also dynamical testing, that's a standard vibration sensor.Features:                                           1.     Excellent turn-on repeatability performance        2.     Environmentally rugged3.     Analog output4.     Field adjustable range5.     Internal temperature sensor for thermal compensation(option)Specifications:S/NoParametersER-T1 AER-T1 BER-T1 CUnit1Range±50±50±50g2Threshold   /Resolution555μg3Bias k0/k1≤ ±4 ≤ ±7≤ ±10  mg4Scale factor   kl1.3±0.2 1.3±0.2 1.3±0.2 mA/g5Class II nonlinearitycoefficient k2/k1≤±20≤±60≤±60μg /g260g 4 hours   short time stability≤15 ≤30 ≤30 μg71g 4 hours   short time stability≤15 ≤30 ≤30 ppm8Bias   drift  Sigma k0( 1σ,one month)≤20 ≤80≤100  μg9Repeatability   of scale factor Sigma kl/kl( 1σ,one month)≤20≤80 ≤100 ppm10Class II nonlinearity Coefficient   repeatability k2/k1(1σ,one   month)≤±15 ≤±30 ≤±30μg /g211Bias thermal   coefficient≤±20 ≤±100 ≤±100 μg /℃12Scale factor   thermal coefficient≤±30 ≤±100 ≤±160 ppm /℃13Noise (sample   resistance 840Ω)≤5≤8.4≤8.4mv14Natural   Frequency400~800 400~800 400~800 Hz15Bandwidth800~2500 800~2500 800~2500 Hz16Vibration5g(20-2000Hz)g17Shock100g,5ms,1/2sin18Temperature   range(Operating)-40-+85-40-+85-40-+85℃19Temperature range(saved)-60-+120-60-+120-60-+120℃20Power±12~±15±12~±15±12~±15V21Consume   current≤±20≤±20≤±20mA22Temp. sensorYes and No two  type23SizeФ25.4X30Ф25.4X30Ф25.4X30mm24Weight≤80≤80≤80garmInstall dimension:ER-T2 Quartz accelerometerER-T2 is high range with high accuracy accelerometer, with high reliability, mainly used in Aviation and aerospace inertial test. Output current and the force by a linear output, the user can get high accuracy output by calculate, choose proper output load resistor. At the same time, temperature sensor is applied in this accelerometer, the user can use it to make compensation to Bias and Scale factor parameters, in order to reduce the impact of temperature factor. It can be used with both static and dynamic acceleration measurement. ER-T2 is a standard vibration sensor.Features:1.Excellent turn-on repeatability performance2.Environmentally rugged3.Analog output4.Field adjustable range5.Internal temperature sensor for thermal compensation (option)6.High rangeSpecifications:S/No.ParametersER-T2A ER-T2BER-T2C1Range±70g±70g±70g2Threshold /Resolution5μg5μg5μg3Bias k0/k1≤(±4 mg)≤(±7 mg)≤(±10 mg)4Scale factor k11.3±0.2 mA/g1.3±0.2 mA/g1.3±0.2 mA/g5Class II nonlinearity Coefficient k2/k1≤±20μg /g2≤±60μg /g2≤±60μg /g260g 4 hours short time stability≤15 μg≤30 μg≤30 μg71g 4 hours short time stability≤15 ppm≤30 ppm≤30 ppm8Bias drift  Sigma k0( 1σ, one month)≤20 μg≤80 μg≤100 μg9repeatability of scale factor Sigma k1/k1( 1σ, one month)≤20ppm≤80 ppm≤100 ppm10Class II nonlinearity Coefficient repeatability k2/k1(1σ, one month)≤±15 μg /g2≤±30 μg /g2≤±30 μg /g211Bias thermal coefficient≤±20μg /℃≤±100μg/℃≤±100μg/℃12Scale factor thermal coefficient≤±30ppm/℃≤±100ppm/℃≤±160 ppm /℃13Noise (sample resistance 840Ω)≤5mv≤8.4mv≤8.4mv14Natural Frequency400~800 Hz400~800 Hz400~800 Hz15Bandwidth800~2500 Hz800~2500 Hz800~2500 Hz16Vibration5g(20-2000Hz)5g(20-2000Hz)5g(20-2000Hz)17Shock100g,5ms,1/2sin100g,5ms,1/2sin100g,5ms,1/2sin18Temperature range (Operating)-40-+85℃-40-+85℃-40-+85℃19Temperature range (saved)-60-+120℃-60-+120℃-60-+120℃20Power±12~±15V±12~±15V±12~±15V21Consume current≤±20mA≤±20mA≤±20mA22Temp. sensorYes and NoYes and NoYes and No23SizeФ25.4X30mmФ25.4X30mmФ25.4X30mm24Weight≤80gram≤80gram≤80gramConfiguration Drawing and Interface Mark: The temperature sensor is AD590, Point 10 is the high power. The point 9 is the low power. The point 9 and power ground use one platinum resistance; the value is 1K, the thermal coefficient is less than 5ppm.ER-T3 Quartz accelerometerER-T3 is a smaller outline accelerometer, with high reliability, mainly used in Aviation and aerospace inertial test. Output current and the force by a linear output, the user can get high accuracy output by calculate, choose proper output load resistor. It can be used with both static and dynamic acceleration measurement. ER-T3 is a standard vibration sensor.Features:1.Excellent turn-on repeatability performance2.Environmentally rugged3.Analog output4.Field adjustable range5.Smaller outline sizeSpecifications:S/NoParametersER-T3AER-T3BER-T3C1Range±60g±60g±60g2Threshold /Resolution10μg10μg10μg3Bias k0/k1≤(±10 mg)≤(±10 mg)≤(±10 mg)4Scale factor kl1.2±0.2 mA/g1.2±0.2 mA/g0.5~0.7mA/g5Class II nonlinearity coefficient k2/k1≤±20μg /g2≤±30μg /g2≤±20μg /g260g 4 hours short time stability≤20 μg≤30 μg≤20 μg71g 4 hours short time stability≤20 ppm≤30 ppm≤20 ppm8Bias drift  Sigma k0( 1σ, one month)≤40 μg≤80 μg≤40 μg9Repeatability of scale factor Sigma k1/k1 (1σ, one month)≤50ppm≤100 ppm≤50ppm10Class II nonlinearity Coefficient repeatability k2/k1(1σ,one month)≤±20 μg /g2≤±30 μg /g2≤±20 μg /g211Bias thermal coefficient≤±30 μg /℃≤±50 μg /℃≤±30 μg /℃12Scale factor thermal coefficient≤±50 ppm /℃≤±100 ppm /℃≤±50 ppm /℃13Noise (sample resistance 840Ω)≤4mv≤8.4mv≤4mv14Natural Frequency350~800 Hz350~800 Hz350~800 Hz15Bandwidth800~2500 Hz800~2500 Hz800~2500 Hz16Vibration5g(20-2000Hz)5g(20-2000Hz)5g(20-2000Hz)17Shock100g,5ms,1/2sin100g,5ms,1/2sin100g,5ms,1/2sin18Temperature range(Operating)-40-+85℃-40-+85℃-40-+85℃19Temperature range(saved)-60-+120℃-60-+120℃-60-+120℃20Power±12~±15V±12~±15V±12~±15V21Consume current≤±20mA≤±20mA≤±20mA22SizeФ18.2X23mmФ18.2X23mmФ18.2X23mm23Weight≤30gram≤30gram≤30gramConfiguration Drawing and Interface1. Outside drawing 12. Outside drawing 2ER-I/A Quartz accelerometerApplication:ER-I/A can be used in carrier’s microgravity measuring system, inertial navigation system, static angle measurement system, with high precision.Feature:High precisionSpecifications:No.ParameterPerformance IndicatorsUnit0302011Bias≤1≤3≤3mg2Scale Factor1.1~1.51.1~1.51.1~1.5mA/g3Second-order Nonlinearity≤10≤10≤15μg/g 24Bias Temp Coefficient≤10≤20≤30ug/℃5Scale Factor Temp Coefficient≤10≤20≤30ppm/℃6Bias month Repeatability≤10≤20≤30μg7Scale Factor Repeatability≤10≤20≤30ppm8Second-order Nonlinearity Repeatability≤10≤10≤10μg/g 29Natural Frequency≤800≤800≤800Hz10Acceleration Range≥20≥20≥20g11Vibration888grms12Shock120g,4.5ms,1/2sin120g,4.5ms,1/2sin120g,4.5ms,1/2sing, ms13Operating Temp-45~+80-45~+80-45~+80℃14Weight≤80≤80≤80g15Resolution≤5×10 -6≤5×10 -6≤5×10 -6g16Operating Voltage±12~ ± 15±12~± 15±12~± 15vDimension                          ER-I/B Quartz Accelerometer                                       Application:      ER-I/B can be used in inertial navigation system. It has wide application in aerospace vehicles, inertial navigation system and control system of ships.Feature:High precisionSpecifications:No.ParameterPerformance IndicatorUnit02011Bias≤3≤3mg2Scale Factor  1.1~1.51.1~1.5mA/g3Second-order Nonlinearity≤20≤30μg/g 24Bias Temp Coefficient≤30≤40ug/℃5Scale Factor Temp Coefficient  ≤50≤60ppm/℃6Bias month Repeatability≤30≤30μg7Scale Factor Repeatability≤30≤30ppm8Second-order Nonlinearity Repeatability≤10≤10μg/g 29Natural Frequency≤800≤800Hz10Acceleration Range  ≥20≥20g11Vibration88grms12Shock  120g,4.5ms,1/2sin120g,4.5ms,1/2sing, ms13Operating Temp-45~+80-45~+80℃14Weight≤80≤80g15Resolution  ≤5×10-6≤5×10-6g16Operating Voltage±12~± 15±12~± 15vDimension                                       ER-I/C Quartz accelerometer     Application:ER-I/C can be used in navigation system of Tank, military vehicle etc.Feature:  High-precision and extensive measurement rangeSpecifications:No.ParametePerformance IndicatorUnit02011Bias≤4≤4mg2Scale Factor  1.1~1.51.1~1.5mA/g3Second-order Nonlinearity≤30≤50μg/g 24Bias Temp Coefficient≤40≤50ug/℃5Scale Factor Temp Coefficient  ≤60≤80ppm/℃6Bias month Repeatability≤40≤40μg7Scale Factor Repeatability≤40≤40ppm8Second-order Nonlinearity Repeatability≤20≤20μg/g 29Natural Frequency≤800≤800Hz10Acceleration Range  ≥20≥20g11Vibration88grms12Shock  120g,4.5ms,1/2sin120g,4.5ms,1/2sing, ms13Operating Temp-45~+80-45~+80℃14Weight≤80≤80g15Resolution  ≤5×10-6≤5×10-6g16Operating Voltage±12~± 15±12~± 15vDimensionER-I/E Quartz accelerometer      Application:ER-I/E is for acceleration measuring system and moving objects which with space limitationFeature:  High precision and small volumeSpecifications:No.ParameterPerformance IndicatorUnit0302011Bias≤6≤6≤6mg2Scale Factor1.0~1.41.0~1.41.0~1.4mA/g3Second-order Nonlinearity≤30≤40≤50μg/g 24Bias Temp Coefficient≤30≤40≤50ug/℃5Scale Factor Temp Coefficient≤60≤70≤80ppm/℃6Bias  Repeatability≤50(one month)≤50(3~7 days)≤50(one day)μg7Scale Factor Repeatability≤50(one month)≤50(3~7 days)≤50(one day)ppm8Second-order Nonlinearity Repeatability≤30(one month)≤30(3~7 days)≤30(one day)μg/g 29Natural Frequency≤800≤800≤800Hz10Acceleration Range≥20≥20≥20g11Vibration888grms12Shock120g,4.5ms,1/2sin120g,4.5ms,1/2sin120g,4.5ms,1/2sing, ms13Operating Temp-45~+80-45~+80-45~+80℃14Weight≤40≤40≤40g15Resolution≤5×10 -5≤5×10-5≤5×10 -5g16Operating Voltage±12~ ± 15±12~± 15±12~± 15VDimension               ER-I/F Quartz accelerometer                 Application:ER-I/F can be used in small inertial navigation system with features of high performance and small volume.Feature:  High precision and small volumeSpecifications:No.ParameterPerformance IndicatorUnit02011Bias≤3≤6mg2Scale Factor  0.8~1.20.8~1.2mA/g3Second-order Nonlinearity≤20≤50μg/g 24Bias Temp Coefficient≤30≤50ug/℃5Scale Factor Temp Coefficient  ≤30≤80ppm/℃6Bias  Repeatability≤30(one month)≤50(one week)μg7Scale Factor Repeatability≤30(one month)≤50(one week)ppm8Second-order Nonlinearity Repeatability≤10(one month)≤20(one week)μg/g 29Natural Frequency≤800≤800Hz10Acceleration Range  ≥20≥20g11Vibration88grms12Shock  120g,4.5ms,1/2sin120g,4.5ms,1/2sing, ms13Operating Temp-45~+80-45~+80℃14Weight≤80≤80g15Resolution  ≤5×10-6≤5×10-6g16Operating Voltage±12~± 15±12~± 15VDimension                          ER-I/G Quartz accelerometer                              Application:ER-I/G can be used in small inertial navigation system with features of high performance and small volume.Features:  High precision and small volumeSpecifications:No.ParameterPerformance IndicatorsUnit02011Bias≤5≤10mg2Scale Factor  0.8~1.20.8~1.2mA/g3Second-order Nonlinearity≤15≤30μg/g 24Bias Temp Coefficient≤40≤60ug/℃5Scale Factor Temp Coefficient  ≤80≤120ppm/℃6Bias  Repeatability≤50(one month)≤100(One week)μg7Scale Factor Repeatability≤50(one month)≤100(One week)ppm8Second-order Nonlinearity Repeatability≤20(one month)≤30(One week)μg/g 29Natural Frequency≤800≤800Hz10Acceleration Range  ≥20≥20g11Vibration88grms12Shock  120g,4.5ms,1/2sin120g,4.5ms,1/2sing, ms13Operating Temp-45~+80-45~+80℃14Weight≤25≤80g15Resolution  ≤5×10-5≤5×10-5g16Operating Voltage±12~± 15±12~± 15VDimension      ER-II/A Quartz accelerometer       Application:ER-II/A is suitable for the environment which has high requirement of circumstance and precision.Feature:High-precision, extensive measurement range, anti-vibration.Specifications:NoParameterPerformance IndicatorsUnit02011Bias≤7≤7mg2Scale Factor  0.1~1.50.1~1.5mA/g3Second-order Nonlinearity≤50≤50μg/g 24Bias Temp Coefficient≤50≤80ug/℃5Scale Factor Temp Coefficient  ≤60≤80Ppm/℃6Bias Repeatability≤60(3~7 days)≤60(one day)μg7Scale Factor Repeatability≤60(3~7 days)≤60(one day)ppm8Second-order Nonlinearity Repeatability≤50(3~7 days)≤50(one day)μg/g 29Acceleration Range  ≥10≥10g10Vibration88grms11Shock  120g,4.5ms,1/2sin%120g,4.5ms,1/2sin%