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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 6211 range of load cells is specially designed for weighing silos, tanks and process vessels. The unique design principle facilitates a particularly compact construction and, as a result, the unit can be used even in restricted space conditions. The FlexLock installation kits counterbalance movements arising from mechanical or thermal expansion or contraction of the vessel or its supporting construction.

Sartorius PR6211特別為稱(chēng)重筒倉(cāng)，罐秤，料斗秤,過(guò)程容器和配料系統(tǒng)等應(yīng)用上。其無(wú)二的設(shè)計(jì)原理使得傳感器結(jié)構(gòu)緊湊，因而其安裝環(huán)境不受限制。其Flexlock裝配套件可以有效平衡由機(jī)械或者熱膨脹冷縮引起的移動(dòng)。

A particular design characteristic of some models is the thin-film or “splutter" technology. This enables an operating temperature of up to 180°C to be reached. In addition, the small construction has integrated overload protection of 500kg. At the same time, this range distinguishes itself above all for its unmatched reliability, robustness and stability, which enable trouble-free operation without adjustment, year after year. The hermetically sealed enclosure and special

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

讓PR6211出眾的不僅是其工作溫度高達(dá)180℃，而且在結(jié)構(gòu)緊湊前提下集成500kg的過(guò)載保護(hù)。不僅如此，其的可靠性和穩(wěn)定性，使得傳感器年復(fù)一年后仍能保持無(wú)障礙操作，無(wú)需校準(zhǔn)。密封外殼和特殊TPE材質(zhì)電纜線(xiàn)，允許傳感器在環(huán)境下運(yùn)作

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.

校準(zhǔn)整個(gè)測(cè)量鏈不需要砝碼，得益于匹配輸出技術(shù)，在不需要再次校準(zhǔn)的情況下，自由替換損壞的傳感器，這樣在調(diào)試期使用用戶(hù)可節(jié)省大量時(shí)間。同樣PR6221可選配防爆版。

傳感器結(jié)構(gòu)

Hermetically sealed, welded stainless steel construction, filled with polyurethane and inert gas.

密封，焊接不銹鋼結(jié)構(gòu)，內(nèi)部充滿(mǎn)惰性氣體。

材料

1.4542 (DIN 17440) acc. to S604, S622 (B.S.)

防護(hù)等級(jí)

IP 68, IEC 529 (equivalent to NEMA 6). The load cell can be submerged in water to a depth of 1.5m for 10,000 hours, IP 69K

IP 68, IEC 529 (equivalent to NEMA 6). 傳感器可在水下1.5m工作10000個(gè)小時(shí)，防護(hù)等級(jí)：IP69K.

電纜線(xiàn)

Robust, flexible, screened

TPE thermoplastic Elastomere

Sheath: grey

PR 6211/..D1E, Colour: blue

PR 6211 LT: PFA Thermoplastic, Colour: red

Diameter: 5mm, wires 4 x 0,35mm2

PR6211/30… 300kg: 3mm, 4 x 0,13mm2

Length : 5m

PR6211/30… 300kg: 3m

彎曲半徑

Fixed installation ≥ 50mm       固定安裝≥ 50mm

Flexible installation ≥ 150mm   靈活安裝≥ 150mm

認(rèn)證

PR 6211/… D1E (500kg… 10t)

II 1G EEx ia IIC T6, II 1D IP65 85°C

注冊(cè)號(hào):

PTB 02 ATEX 2059, TüV 03 ATEX 2301x