Description | Article-Number | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Basic sensor | SCHMIDT® Flow Sensor SS 20.415 version as thermopile head | 551 490 - | A | 1 | C | D | E | F | G | H | I |
Options | |||||||||||
Mechanical type | Sensor length 270 x 300 mm | 1 | |||||||||
Sensor length 300 mm (straight) | 2 | ||||||||||
special length (only straight:) ___________ mm (>300 … 1,000 mm; 10-mm-steps) |
9 | ||||||||||
Protection | Without protective coating | 1 | |||||||||
Mechanical fixing | Threaded bush M25 with counternut | 1 | |||||||||
Threaded bush M25 with thread adapter M25 x 1.5 to PG21 | 2 | ||||||||||
Threaded bush M25 with shank nut | 3 | ||||||||||
Welding bush | 4 | ||||||||||
Flange bush | 5 | ||||||||||
Without fixation material | 6 | ||||||||||
Measurement range | Measurement 0 … 1 m/s | 1 | |||||||||
Measuring range 0 … 1 m/s, unidirectional, with option LED indication of threshold monitoring (0.45 m/s ±20 %) | 4 | ||||||||||
Measurement 0 … 2.5 m/s | 2 | ||||||||||
Measurement 0 … 10 m/s | 3 | ||||||||||
Measurement direction | Unidirectional | 1 | |||||||||
Bidirectional (only SS 20.415) | 2 | ||||||||||
Representation of the direction | Unidirectional | 1 | |||||||||
Switching output OC 1 = direction signal (only SS 20.415, bidirectional) | 2 | ||||||||||
Representation of the direction with halved analog signal: 0 m/s = 8 mA or 5 V output signal (only SS20.415, bidirectional) | 3 | ||||||||||
Output signals | 0 … 10 V | 1 | |||||||||
4 … 20 mA | 2 | ||||||||||
Adjustment accuracy and calibration | Standard adjustment without certificate | 1 | |||||||||
Standard adjustment unidirectional with certificate | 4 | ||||||||||
Standard adjustment bidirectional with certificate (SS 20.415 LED only) | 5 | ||||||||||
High precision calibration incl. ISO certificate | 2 | ||||||||||
High precision calibration incl. ISO calibration certificate, bidirectional | 3 | ||||||||||
Sensor programming | Factory setting | 1 | |||||||||
Customer-specific programming (only SS 20.415) of switching polarity, threshold value, splitting signal, response time | 2 |