傳奇的MHR系列LVDTs在空間限制應(yīng)用中提供精確測(cè)量。MHR系列直徑僅為3/8英寸(9.5mm)，芯極輕，是理想的f。 或者，當(dāng)過高的堆芯重量會(huì)影響被測(cè)物體的運(yùn)動(dòng)時(shí)，用較小的慣性，在較高的位移速度下進(jìn)行精確的測(cè)量就更容易實(shí)現(xiàn)了。輕量級(jí)c 礦石還減少機(jī)械應(yīng)力，并有助于保持核心驅(qū)動(dòng)組件的結(jié)構(gòu)完整性。
線圈與鐵芯之間的緊密電耦合所產(chǎn)生的高輸出靈敏度為與幾乎所有的信號(hào)調(diào)理器和調(diào)理CIRC接口提供了充足的信號(hào)。 尤伊茨。磁性不銹鋼外殼提供電磁和靜電屏蔽。
高溫操作(200 OC)適用于中風(fēng)范圍±0.025~±1英寸(會(huì)診廠)。高壓(排氣箱)版本也提供(咨詢工廠)。MH R與測(cè)量專業(yè)的全線LVDT信號(hào)調(diào)理器兼容。
和我們的大多數(shù)lvdts一樣，mhr繞組是用一種特殊配方的高溫柔性樹脂進(jìn)行真空浸漬的，線圈組件在其外殼內(nèi)裝有兩個(gè)組件。 環(huán)氧樹脂。這提供了良好的保護(hù)，以抵御惡劣環(huán)境，如高濕度，振動(dòng)和沖擊。
技術(shù)參數(shù)
PERFORMANCE SPECIFICATIONS
ELECTRICAL SPECIFICATIONS (common) | |
Input voltage | 3 VRMS sine wave |
Input frequency | 2kHz to 20kHz |
Test frequency | 2.5kHz (standard) |
ELECTRICAL SPECIFICATIONS @ 10kHz (recommended operation) | |||||||||
Parameter | MHR 005 | MHR 010 | MHR 025 | MHR 050 | MHR 100 | MHR 250 | MHR 500 | MHR 1000 | MHR 2000 |
Stroke range | ±0.005 [±0.13] | ±0.010 [±0.25] | ±0.025 [±0.64] | ±0.05 [±1.27] | ±0.10 [±2.54] | ±0.25 [±6.35] | ±0.5 [±12.7] | ±1 [±25.4] | ±2 [±50.8] |
Sensitivity V/V/inch [mV/V/mm] | 8.70 [343] | 6.05 [238] | 8.10 [319] | 3.15 [124] | 2.80 [110] | 2.07 [81.5] | 1.96 [77.2] | 0.77 [30.3] | 0.49 [19.3] |
Output at stroke ends mV/V (*) | 43.5 | 60.5 | 202.5 | 157.5 | 280 | 517.5 | 980 | 770 | 980 |
Phase shift | +38° | +20° | +21° | +8° | +5° | +7° | +7° | -1° | -15° |
Input impedance (PRIMARY) | 84Ω | 165Ω | 238Ω | 419Ω | 400Ω | 345Ω | 264Ω | 155Ω | 504Ω |
Output impedance (SECONDARY) | 302Ω | 300Ω | 485Ω | 154Ω | 200Ω | 420Ω | 810Ω | 450Ω | 1780Ω |
Non-linearity | ±% of FR | ||||||||
@ 50% stroke | 0.20 | 0.10 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.20 | / |
@99% stroke (max) | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.50 |
@125% stroke | 0.30 | 0.35 | 0.25 | 0.35 | 0.25 | 0.35 | 0 .30 (**) | 0 .50 | / |
@150% stroke | 0.40 | 0.35 | 0.30 | 0.50 | 0.30 | 0.50 (**) | 0.75 (**) | / | / |
Null voltage (max.) | 2.5% FRO | 1.0% FRO | 0.5% of FRO | ||||||
(*) Unit for output at stroke ends is millivolt per volt of input voltage; (**) Requires special reduced core length
ELECTRICAL SPECIFICATIONS @ 2.5kHz (standard calibration) | |||||||||
Parameter | MHR 005 | MHR 010 | MHR 025 | MHR 050 | MHR 100 | MHR 250 | MHR 500 | MHR 1000 | MHR 2000 |
Stroke range | ±0.005 [±0.13] | ±0.010 [±0.25] | ±0.025 [±0.64] | ±0.05 [±1.27] | ±0.10 [±2.54] | ±0.25 [±6.35] | ±0.5 [±12.7] | ±1 [±25.4] | ±2 [±50.8] |
Sensitivity V/V/in [mV/V/mm] | 3.19 [126] | 3.36 [132] | 4.36 [172] | 2.55 [100] | 2.40 [94] | 1.73 [68] | 1.60 [63] | 0.70 [27] | 0.47 [19] |
Output at stroke ends, mV/V (*) | 16 | 33.6 | 109 | 127.5 | 240 | 432.5 | 800 | 700 | 940 |
Phase shift | +73° | +59° | +58° | +36° | +30° | +33° | +23° | +6° | +3° |
Input impedance (PRIMARY) | 59Ω | 78Ω | 116Ω | 141Ω | 135Ω | 147Ω | 145Ω | 100Ω | 304Ω |
Output impedance (SECONDARY) | 260Ω | 192Ω | 286Ω | 90Ω | 125Ω | 268Ω | 445Ω | 370Ω | 13620Ω |
Non-linearity | ±% of FR | ||||||||
@ 50% stroke | 0.20 | 0.10 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.20 | / |
@99% stroke (max) | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
@125% stroke | 0.30 | 0.35 | 0.25 | 0.35 | 0.25 | 0.35 | 0.30 (**) | 0 .50 | / |
@150% stroke | 0.40 | 0.35 | 0.30 | 0.50 | 0.30 | 0.50 (**) | 0.75 (**) | / | / |
Null voltage (max) | 3% FRO | 1.5% FRO | 0.5% of FRO | ||||||
(*) Unit for output at stroke ends is millivolt per volt of input voltage; (**) Requires special reduced core length
ENVIRONMENTAL SPECIFICATIONS & MATERIALS | |
Operating temperature | -65°F to +300°F [-55°C to 150°C] |
Shock survival | 1,000 g (11ms half-sine) |
Vibration tolerance | 20 g up to 2KHz |
Housing material | AISI 400 Series stainless steel |
Electrical connection | Six lead-wires, 32 AWG stranded Copper, PTFE insulated, 1 foot [0.3m] long (longer wires optional) |
IEC 60529 rating | IP61 |
Notes:
All values are nominal unless otherwise noted
Electrical specifications are for the test frequency indicated in the table Dimensions are in inch [mm] unless otherwise noted
FR: Full Range is the stroke range, end to end; FR=2xS for ±S stroke range
FRO (Full Range Output): Algebraic difference in outputs measured at the ends of the range
MECHANICAL SPECIFICATIONS
Parameter | MHR 005 | MHR 010 | MHR 025 | MHR 050 | MHR 100 | MHR 250 | MHR 500 | MHR 1000 | MHR 2000 |
Body length “A” | 0.375 [9.5] | 0.535 [13.6] | 0.660 [16.8] | 0.815 [20.7] | 0.990 [25.1] | 1.850 [47.0] | 3.300 [83.82] | 5.600 [142.2] | 8.000 [203.2] |
Core length “B” | 0.180 [4.6] | 0.233 [5.9] | 0.400 [10.2] | 0.500 [12.7] | 0.625 [15.9] | 1.125 [28.6] | 2.000 [50.8] | 3.000 [76.2] | 3.00 [76.2] |
Body weight oz [g] | 0.07 [2] | 0.11 [3] | 0.18 [5] | 0.21 [6] | 0.21 [6] | 0.32 [9] | 0.60 [17] | 0.92 [26] | 1.4 [40] |
Core weight oz [g] | 0.004 [0.1] | 0.007 [0.2] | 0.016 [0.5] | 0.016 [0.5] | 0.025 [0.7] | 0.032 [0.9] | 0.056 [1.6] | 0.088 [2.5] | 0.088 [2.5] |
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