VGM

描述:
Thermal mass flow meter based on high precision MEMS technology
(CMOS sensor). Pressure and temperature insensitive
according to the CTA constant temperature principle. Also insensitive
to pressure surges.

Media: compressed air or non-corrosive gases

Operating_pressure: max. 10 bar
Supply_voltage: Standard AA battery or Micro-USB power supply
(DIN62684), optionally external power +12 ...+30 V DC (max. 200 mA)

Display: Touch-display 128 x 64 px, blacklighted only with external
power supply (Micro-USB or 24 V DC)

Electrical_connector: optionally length 2.0 m, with free ends at 24 V DC
Function: totalisator included, physical units can be changed

Alarm_functions: 3 configurable alarms,
programmable as = low alarm, high alarm, window alarm and totalizer alarm.
The alarms can be configured with different parameters as delay and alarm duration.
Relais: switching current up to 1A, switching voltage 30 V DC

Accuracy: ± 2% FS, from 200 l/min ± 3% FS
Response_time: 500 ms at 99% accuracy
Turndown_ratio: 1 to 50 (Eco) or 1 to 1000 (Special)
Protection_class: IP 50
Flow_regulation: manual fine adjustment by 15 turns
Mounting position: any, horizontal from 5 bar on

Temperature_range: 0 °C to 50 °C / 32 °F to 122 °F
Warm-up_time: < 1 sec. for full accuracy

Body: aluminium, optionally electropolished stainless steel 316
Elastomer: FKM, optionally EPDM

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