Pulsar measurement MicroFlow-i 非接触式速度测量

Sensor Body Dimensions: 90 mm D x 140 mm H (3.5 in x 5.5 in)

Weight: Nominal 1 kg (2.2 lb)

Sensor Body Material/ Description: Valox 357

Transducer Cable Extensions: 2-core screened

Maximum Separation: Up to 1,000 m (3,280 ft)

Mounting Connection: Via 1” BSP back-mounted thread or 20 mm (0.8 in) via the supplied adaptor. Optional mounting bracket available from Pulsar

Mounting Angle: 45° optimal and mounted at the centerline of the channel with a clear uninterrupted view

ENVIRONMENTAL

Enclosure Protection: IP68

Max. & Min. Temperature (Electronics): -20 °C to +60 °C (-4 °F to +140 °F)

CE & Radar Approvals: Listed in the Certificate of Conformity within the manual.

ATEX Approval: Ex II 1 G D, Ex ia IIC T4 Ga, Ex ia IIIC T135°C Da (Directive 2014/34/EU)

FM Approval: cFMus certified intrinsically safe for Class I, II, III, Division 1, Groups A, B, C, D, E, F, G

PERFORMANCE

Velocity Range: 0.3 m/s to 6 m/s (0.98 ft/s to 19.7 ft/s)

Operational Range: Up to 3 m H

Accuracy: The greater of ±1.5% or 50 mm/s (2 in/s)

Optimal Installation: Install at an angle of 45° in line with the flow. More information is provided within the manual — see the ‘Locating the MicroFlow-i sensor’ section

Max. Channel Width per Sensor: 1.5 m (4.9 ft)

Radar: K-Band (ISM)

Transmitter Power: <15 dBm

Beam Width: 20° inclusive

Wake-up Time: Typically 4 seconds warm (<12 hours from last start-up)

OUTPUTS

Communication: HART compatible, 4-20mA loop powered

PROGRAMMING

PC Programming: MicroFlow-i HART PC

Programming Security: Via passcode

Programmed Data

Integrity: Via non-volatile memory

PC Setup & Monitoring

Software: Compatible with Windows 7/8/10

SUPPLY

Operating Voltage: 10-28 V DC

Power Consumption:

• Start-up = 20mA

• Average current = 60 μA per hour when one velocity measurement is performed every 15 minutes