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稱(chēng)重傳感器，又稱(chēng)為測(cè)力傳感器和壓力傳感器，是一種將質(zhì)量信號(hào)轉(zhuǎn)變?yōu)榭蓽y(cè)量的電信號(hào)輸出的裝置，主要有S型、懸臂型、輪輻式、波紋管式、單點(diǎn)式、橋式、柱式等幾種樣式。稱(chēng)重傳感器的工作原理原理上稱(chēng)重傳感器就是壓力傳感器, 只是形狀不一樣而已。

The PR 6246 range of load cells is specially designed for high-precision weighing of process vessels and for high-precision dosing. Due to the fact that the container is suspended, movements arising from mechanical or thermal expansion or contraction of the vessel or its supporting construction can be counterbalanced. The load cell is manufactured entirely from stainless steel. A particular design characteristic is the compact construction with a high overload range of up to 150% and the highest accuracy class of up to C6.

Sartorius PR6246是一款特別為高精度稱(chēng)重應(yīng)用，如過(guò)程容器和配料應(yīng)用，而設(shè)計(jì)的稱(chēng)重傳感器。傳感器能平衡機(jī)械或者熱膨脹冷縮造成的移動(dòng)。整個(gè)傳感器為不銹鋼材質(zhì)，其特別的設(shè)計(jì)使得傳感器維持緊湊的外形的同時(shí)，仍能保持高達(dá)150%的過(guò)載能力和C6級(jí)別的精度。

At the same time, this range distinguishes itself – in addition to its high measurement accuracy and repeatability – above all for its unmatched reliability, robustness and stability, which enable trouble-free operation without adjustment, year after year. With the associated installation kit, the pendulum support principle ensures that force transmission into the sensor is always at the optimum level and, in this way, the effect on measurement accuracy is minimized, whilst high repeatability and perfect linearity are maintained. There is a particularly wide working temperature range attributable to special resistance strain gauge technology. The hermetically sealed enclosure and special

TPE cable allows the unit to be used even under extreme operating conditions in harsh production environments.

更讓PR6246出眾的是其高精度，高重復(fù)性，以及的可靠性和穩(wěn)定性，使得傳感器年復(fù)一年后仍能無(wú)障礙操作。結(jié)合裝配套件和擺錘支撐，使得傳感器內(nèi)部的力傳遞處于狀態(tài)，使測(cè)量精度的影響最小化，保持高重復(fù)性和線(xiàn)性。

The entire measurement chain can be calibrated without the use of a reference weight. Due to “matched output" technology, a damaged load cell can be exchanged without the need for re-calibration. This saves a tremendous amount of time during commissioning. An explosion-proof (Ex) version of this range of load cells is also available, as an option, for use in intrinsically safe environments.

整個(gè)測(cè)量鏈不需要砝碼即可進(jìn)行校準(zhǔn)，得益于自有的匹配輸出技術(shù)，無(wú)需再次校準(zhǔn)即可對(duì)損壞的傳感器進(jìn)行更換，節(jié)省大量時(shí)間。作為選配，可選裝防爆版本。

傳感器結(jié)構(gòu)

S-shape design with integrated load return. Full stainless steel construction, hermetically sealed, welded, filled with inert gas.

S型結(jié)構(gòu)，不銹鋼材質(zhì)，密封焊接技術(shù)，內(nèi)部充滿(mǎn)惰性氣體。

傳感器材質(zhì)

1.4542 (DIN 17440)類(lèi)似于S604, S622 (B.S.), 17 - 4PH

防護(hù)等級(jí)

IP 68, IEC 529 (equivalent to NEMA 6). 傳感器可在水下1.5m正常工作10000小時(shí)。

電纜線(xiàn)

Robust, flexible, screened

Sheath: TPE Thermopl. Elastomere,

Colour: grey (EX: blue)

Diameter: 5 mm, wires 4 x 0.35 mm2

Length: 5 m

彎曲半徑

Fixed installation: ≥ 50mm            固定安裝：≥ 50mm

Flexible installation: ≥ 150mm        靈活安裝：≥ 150mm

認(rèn)證

II 1G EEx ia IIC T6, II 1D IP65 85°C

注冊(cè)號(hào):

PTB 02 ATEX 2059, TUV 03 ATEX 2301x