北京中寶辰科技有限公司
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產(chǎn)品型號(hào)8258
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廠商性質(zhì)代理商
所 在 地北京市
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更新時(shí)間:2023-06-14 08:47:26瀏覽次數(shù):70次
聯(lián)系我時(shí),請(qǐng)告知來(lái)自 儀表網(wǎng)NAR8258RailwayPressureSwitchThepressureswitchNAR8258with1or2switchingoutputsandincreasedaccuracyof0
NAR 8258 – Railway Pressure Switch
The pressure switch NAR 8258 with 1 or 2 switching outputs and increased accuracy of 0.3 % was specifically designed for railway vehicles (EN 50155) and has a long-term stable thin-film-on-steel sensor cell. The wide temperature range from -40°C to +125°C and the triple overpressure protection make the NAR 8258 the ideal choice for railway vehicles in rough environmental conditions.
Applications | Railways |
Category | Electronic pressure switches |
Accuracy @ 25°C typ. | ± 0.3 % FS typ. |
Measuring principle | Thin-film-on-steel |
Approval / conformity | EN 50155 (Railway) EN 45545-2 (Fire protection) EN 61373 (Shock, vibration) EN 50121-3-2 (EMC) |
Vibration | 15 g RMS (20...2000 Hz) (EN60068-2-64) 25 g sin (80...2000 Hz), 1 oct./min, (1x @ 25°C) (EN60068-2-6) |
NLH @ 25°C (BSL) typ. | ± 0.2 % FS typ. |
Pressure connections | G1/4" m; G1/4" m (Manometer); 1/4"NPT m; 7/16"-20UNF m, SAE4 (J1926); R1/4" m, DIN2999; M10x1 m, DIN EN ISO 6149-2; M12x1.5 m, DIN EN ISO 9974-2 |
Media temperature | –40°C ... +125°C |
Shock | 50 g / 11 ms 100 g / 6 ms Male electrical plug M12x1 (EN60068-2-27) 3) |
Electrical connections | M12x1 |
Long term stability 1 year typ. | < ± 0.1 % FS typ. |
Ambient temperature | –40°C ... +125°C |
Protection | IP65, IP67 |
Output signal | Switching output: 1 or 2 PNP transistors |
TEB typ. @ -25 ... +85°C | ± 1.0 % FS typ. |
Measuring range | 0 ... 6 to 0 ... 600 bar 0 ... 100 to 0 ... 7500 psi |
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