Accelerometer For Oil And Gas

ER-T4 Quartz accelerometerER-T4 mainly used for inclination angular test such as: bridge, dam, oil well,mining and so on, it also can be used for railway control system and ship’s stability system, which has high vibration resistant and strong shock resistant ,high and low temperature performance is superior . Especially ER-T4C still has excellent performance when it in 185℃high temperature environment. Features:1. Tactical navigation grade performance            2. Analog output3. Field-adjusting range4. Widely operating Temperature RangeSpecification:S/NoParametersER-T4AER-T4BER-T4C1Input range (g)±30±30±302Bias (mg)＜20＜40＜402.1One-month composite repeatability (µg)＜150＜250＜2502.2Temperature sensitivity (µg/℃)＜100＜150＜1503Scale factor (mA/g)1.1～1.41.1～1.41.1～1.43.11 month composite ,repeatability  (ppm)＜150＜250＜2503.2Temperature sensitivity (ppm)＜200ppm＜200ppm＜200ppm4Axis misalignment (µrad)＜15000＜15000＜150005Vibration rectification (µg/g2rms)(50-500Hz)＜100＜100＜1006Intrinsic noise (µg-rms)(0-10000Hz)＜3000＜3000＜30007Operating temperature range (℃)-55～96-55～125-55～1808Shock (g)500  0.5ms1000   0.5ms1000   0.5ms9Vibration peak sine (g)25@30-500Hz10Resolution /threshold (µg)＜10＜10＜1011Bandwidth (Hz)＞300＞300＞30012Quiescent current per supply (mA)＜20＜20＜2013Quiescent power (mW)@ ±15VDC＜480＜480＜48014Input voltage±13 to ±18±13 to ±18±13 to ±1815Weight (grams)55 Nominal , 65 max16Diameter below mounting surfaceФ1.0±0.005(inches)Ф25mmФ25mm17Height-bottom to mounting surface (inches)0.617 Max0.617 Max0.617 Max18Case material300 series stainless steelInstall dimension :              ER-T5 Quartz accelerometerER-T5 for industrial grade applications including: automotive test instrumentation, braking system deceleration, bridge and building sway and tilt monitoring, industrial and robotic control, land vehicle navigation, subway and high-speed train ride comfort control, and offshore drilling platform motion monitoring.The integral electronics develops an acceleration-proportional output current providing both static and dynamic acceleration measurement. By use of customer supplied output load resistor, appropriately scaled for the acceleration range of the application, the output current can be converted into a voltage.Features:    1.  Tactical navigation grade performance2.  Analog output3.  Field-adjusting range4.  Size is smaller     Specifications:S/NoParametersER-T5-011Input range (g)±302Bias (mg)＜203One-month composite repeatability (µg)＜1504Temperature sensitivity (µg/℃)＜1005Scale factor (mA/g)2.2～2.96One-month composite repeatability (ppm)＜1507Temperature sensitivity (ppm)＜200ppm8Axis misalignment (µrad)＜150009Vibration rectification (µg/g2rms)＜100(50-500Hz)10Intrinsic noise (µg-rms)＜3000(0-10000Hz)11Environment12Operating temperature range (℃)-40～12513Shock (g)10014Vibration peak sine (g)25@30-500Hz15Resolution /threshold (µg)＜1016 Bandwidth (Hz)＞30017Electrical18Quiescent current per supply (mA)＜2019Quiescent power (mW)@ ±15VDC＜48020Input voltage±13 to ±1821Physical22Weight (grams)30 max23Diameter below mounting surface (mm)Ф21.224Height-bottom to mounting surface (mm)1525Case material300 series stainless steelInstall dimension:           ER-T6 Quartz accelerometer ER-T6 is a small size accelerometer which has high reliability, mainly used in oil well logging . Output current and received force into a linear output, user can according to calculate to choose reasonable sampling resistance, to reaching the highest accuracy output . It can also be used for static testing and dynamically testing, it is a standard vibration sensor.Features:      1.Excellent start repeatability2.Good environmental performance3.Analog output 4.Adjustable output range5.Small dimensionsSpecifications:NoParametersER-T6AER-T6B1Range±20g±20g2Threshold30μg30μg3Bias K0/K1≤(±30mg)≤(±30mg)4Scale factor K11.8~2.8mA/g1.8~2.8mA/g5Second-order nonlinearity K2/K1≤±50μg/g2≤±50μg/g260g 4 hours short time stability≤40μg≤40μg71g 4 hours short time stability ≤40ppm≤40ppm8Bias composite repeatability σ K0 (1σ,one month)≤250 μg≤250 μg9Scale factor repeatability σ K1/k1 (1σ,one month)≤250ppm≤250ppm10Nonlinearity coefficient composite repeatability K2/K1(1σ,one month)≤±50μg/g2≤±50μg/g211Bias Temp coefficient≤±150μg/℃≤±150μg/℃12Scale factor Temp coefficient≤±200 ppm/℃≤±200 ppm/℃13Noise(sample resistance 840Ω)≤8.4mv≤8.4mv14Natural frequency350~800Hz350~800Hz15Bandwidth800~2500Hz800~2500Hz16Vibration25g(20-2000Hz)25g(20-2000Hz)17Shock500g,5ms,1/2sin500g,5ms,1/2sin18Operating Temp range-40~+180℃-40~+125℃19Storage Temp range-60~+200℃-60~+150℃20Power±12~±15±12~±1521Current consumption≤±20mA≤±20mA22SizeΦ18.2×16mmΦ18.2×16mm23Weight≤25g≤25gInstall dimension:               ER-II/B Quartz accelerometerER-II/B mainly used in MWD system and continuous north seeking systems, also it can be widely used in other harsh working conditions.Features: Anti-vibration, high accuracySpecifications:NoParameterPerformance IndicatorsUnit02011Bias≤10≤10mg2Scale Factor2.5~3.52.5~3.5mA/g3Bias Temp Coefficient≤60≤80ug/℃4 Scale FactorTemp CoefficientRoom Temp~120℃≤80≤100ppm/℃120℃~150℃≤500≤500ppm/℃5Bias Repeatability≤100(3~7 days)≤100(one day)μg6Scale Factor Repeatability≤100(3~7 days)≤100(one day)ppm7Acceleration Range≥10≥10g8Vibration20g(20~2000Hz)20g(20~2000Hz)g, Hz9Shock1000g,0.5ms, 1/2sin1000g,0.5ms,1/2sing, ms10Operating Temp-45 ~+150-45~+150℃11Weight≤55≤55g12Operating Voltage±7~ ± 12±7~ ± 12VInstall dimension:ER-II/C Quartz accelerometerER-II/C mainly used in MWD system and continuous north seeking systems, also it can be widely used in other harsh working conditions.Features: Anti-vibration, High-accuracySpecifications:No.ParameterPerformance IndicatorsUnit02011Bias≤10≤15mg2Scale Factor2.5~3.52.5~3.5mA/g3Bias Temp Coefficient≤60≤100ug/℃4 Scale FactorTemp CoefficientRoom Temp~120℃≤120≤150ppm/℃120℃~150℃≤200≤500ppm/℃5Bias Repeatability≤100≤100μg6Scale Factor Repeatability≤100≤100ppm7Acceleration Range≥10≥10g8Vibration20g(20~2000)Hz20g(20~2000)Hzg, Hz9Shock1000g, 0.5ms, 1/2sin1000g, 0.5ms, 1/2sing, ms10Operating Temp-45 ~+150-45~+150℃11Weight≤30≤55g12Operating Voltage±7~ ± 12±7~ ± 12VInstall dimension: