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稱重傳感器，又稱為測(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。稱重傳感器的工作原理原理上稱重傳感器就是壓力傳感器, 只是形狀不一樣而已。

The PR 6251 range of load cells is specially designed for easy weighing of silos and horizontal tanks. The unique design principle ensures a very compact construction. As a result, existing applications can also be upgraded very easily. The range distinguishes itself above all for its unmatched reliability, robustness and stability, which enable trouble-free operation without adjustment, year after year.

Sartorius PR6251的所有量程都為筒倉(cāng)和臥式油槽稱重測(cè)量應(yīng)用而設(shè)計(jì)，氣無(wú)二的設(shè)計(jì)理念使得PR6251結(jié)構(gòu)緊湊，現(xiàn)有應(yīng)用更新操作簡(jiǎn)單。的可靠性、穩(wěn)健性和穩(wěn)定性使得傳感器年復(fù)一年后仍能無(wú)障礙操作，無(wú)須校準(zhǔn)。

Special measuring element geometry ensures that the transmission of force into the sensor is always at the optimum level. This minimizes the effect on measurement accuracy whilst a high overload range, high repeatability and good 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 allow the unit to be used even under extreme operating conditions in harsh production environments.

PR6251測(cè)量元件的特殊幾何結(jié)構(gòu)總能確保傳感器機(jī)身內(nèi)部力傳遞處于水準(zhǔn)，實(shí)現(xiàn)高量程超載對(duì)精度影響的最小化，保持良好的重復(fù)性與線性。得益于地電阻應(yīng)變計(jì)技術(shù)，PR6251的工作溫度范圍非常廣。其全密封外殼和特殊TPE材質(zhì)電纜線使得傳感器能在惡劣操作環(huán)境無(wú)障礙應(yīng)用。

The entire measurement chain can be calibrated without the use of a reference weight.

A version is also available with a direct output of 4…20 mA. This facilitates easy and cost-effective integration into an existing application. 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)量測(cè)鏈無(wú)須砝碼即可校準(zhǔn)，用戶可單獨(dú)購(gòu)買4-20mA輸出模塊，并整合到目前即有應(yīng)用上，簡(jiǎn)單劃算。所有量程都有防爆版本可選。

傳感器結(jié)構(gòu)

Hermetically sealed, welded stainless steel construction, filled with Polyurethane

密封、焊接不銹鋼結(jié)構(gòu)，填充聚氨酯。

材質(zhì)

500 kg… 10 t 1.4021 (DIN 17440),

420 S 37 (B.S.)

16 t 1.4542 (DIN 17440),

S 604/S 622 (B.S.), 17-4 PH (Int.)

防護(hù)等級(jí)

IP68, IEC 529, equivalent to NEMA 6. The load cell can be submerged in water to a depth of 1.5 m for 10,000 hours.

IP68，IEC 529（相當(dāng)于NEMA 6）.傳感器可潛入水下1.5m工作10000小時(shí)

電纜

Robust, flexible, screened

穩(wěn)健，柔韌度好，屏蔽

Sheath: Thermopl. Elastomere,

鞘：耐高溫，高彈性

Colour: grey (LE: blue, LA/LAC: green)

顏色：灰色（LE：藍(lán)色，LA/LAC：綠）

Diameter: 5 mm, wires 4 x 0.35 mm2

尺寸：5mm，線：4x0.35mm2

Length: 5 m

長(zhǎng)度：5m

彎曲半徑

Fixed installation: ≥ 50mm

固定安裝：≥ 50mm

Flexible installation: ≥ 150mm

靈活安裝：≥ 150mm

合格證

II 1G EEx ia IIC T6, II 1D IP65 85°C

注冊(cè)號(hào)

PTB 02 ATEX 2059, TüV 03 ATEX 2301x