| 产品简介： |
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| The Series 70 tip-sensitive |
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| ultrasonic switch is a single-point |
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| device designed for economical detection of |
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| clean liquids. There are no moving parts and no |
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| calibration. The 701 is available either integral or |
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| remote mounted. An optional time delay can be |
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| used to eliminate false alarms due to |
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| turbulence in the process. An optional field |
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| selecable fail-safe switch is also available. |
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| The standard unit is set to High-level Failsafe |
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| (HLFS). |
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| 详细说明： |
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| CSA Certified Explosion Proof* |
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| Al CSA Certified Intrinsically Safe* |
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| (9 power only) (K4 housings only) |
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| FM FM Approved Explosion Proof* |
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| Fl FM Approved Intrinsically Safe* (9 power only) |
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| (K4 housings only) |
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| BK Remote electronics flat surface mounting bracket |
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| (R housings only) (see pages 14 & 15) |
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| FS Field selectable Failsafe switch |
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| (6, 7 , 8 power only) |
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| OD On delay time (6, 7 , 8 power only) |
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| (specify time from chart on page 16) |
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| OF Off delay timer (6, 7 , 8 power only) |
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| (specify time from chart on page 16) |
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| PK Pipe mounting kit, BK accessory required |
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| (R housing only) (see pages 14 & 15) |
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| RG Gold-contact relay (6, 7 , 8 power only) |
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| PP Fiber tag with customer specified tag information |
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| RR SS nameplate wired to the unit with customer |
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| specified tag information |
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| TT SS nameplate permanently affixed to housing |
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| with customer specified tag information |
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| VV Fungicidal varnish applied to housing exterior |
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| YY Epoxy coating applied to housing exterior |
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