Sensor Installation Handbook Preface 3rd edition - Siemens ...

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General notes for all sensors 2 Take account of the active and inactive sections of a sensor probe. A tight-sealing test-hole must be provided adjacent to every sensor. The cable should be installed with a "drip loop" to prevent water from entering the sensor housing.
Always allow a sufficient length of spare cable so that the sensor can be removed at any time without disconnecting the wiring. When installing a sensor, avoid compressing the lagging. Use a graduated-diameter mounting flange to avoid compressing the lagging. If the mounting flange supplied does not have the appropriate graduations, use spacing bushes to avoid compressing the lagging. General notes for all sensors 3
Page 1: Sensor Installation Handbook Prefac
Page 5: Sensor Installation Handbook Prefac
Page 9: General notes for all sensors Alway
Page 13 and 14: Temperature Immersion sensors · Wa
Page 15 and 16: Water-resistant seal Chilled water
Page 17 and 18: If the active length (a) of the sen
Page 19 and 20: Sensors mounted without immersion p
Page 21 and 22: Temperature Probe sensors · Air En
Page 23 and 24: The ambient temperature at the devi
Page 25 and 26: Temperature Averaging sensors Allow
Page 27 and 28: Do not bend the capillary too tight
Page 29 and 30: When installing on "drawer"-type un
Page 31 and 32: Use spacing clips to maintain a 50
Page 33 and 34: Do not install on external walls. A
Page 35 and 36: Temperature Outdoor sensors The sys
Page 37 and 38: Seal gaps between cable/plastic tub
Page 39 and 40: Temperature Surface-mounted strap-o
Page 41 and 42: Temperature Wind sensors Install on
Page 43 and 44: Avoid shade (from trees or neighbou
Page 45 and 46: A test hole must be provided for ev
Page 47 and 48: Distance for adiabatic humidificati
Page 49 and 50: Humidity sensor Average humidity me
Page 51 and 52: Seal gaps between cable/plastic tub
Page 53 and 54: Where there is a risk of condensati
Page 55 and 56: Avoid using tips which protrude int
Page 57 and 58: Where more than one sensor is used,
Page 59 and 60: Pressure Liquids Pressure tapping p
Page 61 and 62:
Pressure measurement in conjunction
Page 63 and 64:
Flow monitoring Water Correct insta
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Avoid recesses (e.g. shelving) and
Page 67 and 68:
Floats: These are used in open and
Page 69 and 70:
Principles of operation General All
Page 71 and 72:
Example of response characteristic
Page 73 and 74:
Stepless devices Stepless devices (
Page 75 and 76:
Bimetal rod and tube Material Const
Page 77 and 78:
Electrical resistance sensors Metal
Page 79 and 80:
Thermocouples These consist of two
Page 81 and 82:
Absolute humidity x g H 2O per kg o
Page 83 and 84:
Electronic systems Piezoelectric el
Page 85 and 86:
Measuring water velocity and flow L
Page 87 and 88:
Room temperature measurement Room s
Page 89 and 90:
Calibration of measuring sensors Th
Page 91 and 92:
Practical tips Frost protection the
Page 93 and 94:
Preventive frost protection thermos
Page 95 and 96:
Pressure control in VAV systems The
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Sensor Installation Handbook Preface 3rd edition - Siemens ...

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