Sierra Monitor Corporation PF2A7H - Manual (Page 12)

21 20
Specification
*1) With a unit selection function ( Without a unit selection function, fixed to
SI unit [ /min or , m 3 , m 3 10 3 ])
*2) Flow rate indication is possible to be switched to normal condition of
0 /101.3kPa and standard condition of 20 /101.3kPa/65%RH (ANR)
PF2A703H
Flow Rate Indication/Ra
Flow rate indication range
( /min)
Indication Unit (*1, 2
Dry air
Operating fluid temp.
Linearliy
Repeatability
Model PF2A706H PF2A712H
125 to 3025 250 to 6050 550 to 12050
Measured min unit
( /min)
5 10
Flow rate converted
score of integrated pulse
100 /pulse
Instantaneous flow rate : /min, CFM
Integrated flow rate : , m
3 , m 3 10 3 , ft 3 , ft 3 10 3 , ft 3 10 6
0 to 50 (No condensation or freezing)
Current consumption
Mass (Weight) (*4)
1.5%F.S. or less
Temp. characteristics
Port size
1.5%F.S. or less 0.7MPa, 20
2.0%F.S. or less (0 to 50 , 25 standard)
150mA or less (No load)
1.1kg 1.3kg 2.0kg
Attachment : A6063, Packin : H-NBR, Spacer : PPS,
Mesh : SUS, Inner body : A6063, Sensor case : PPS,
Sensor : Leaded glass/ptlr/FeNi/OFC
1 1 1/2 2
Material
Detecting method
Indication digit 5digits 7segment LCD
Operation indication range
Withstanding pressure
0.1 to 1.5MPa
2.25MPa
Integrated flow rate range
Ambient temperature
range
0 to 9,999,999,999
Operation : 0 to 50 Storage : 25 to 85
(No condensation or freezing)
Output
specification
(*3)
[NPN open collector] Max. load current : 80mA,
Internal voltage drop : 1V or less (At load current
80mA), Max. input voltage : 30VA
NPN/PNP open collector (Same as
[PNP open collector] Max. load current : 80mA,
Internal voltage drop : 1.5V or less
(At load current 80mA)
Switch output
Integration pulse output
Voltage output : 1 to 5V (within rated flow range)
Linearliy : 3% .S. or less
Permissible load impedance : 100k
or more
Current output : 4 to 20mA (within rated flow range)
Linearliy : 3%F.S. or less
Permissible load impedance : 250
or more
Analog output
Response time 1s or less
Power supply voltage
Hysteresis mode : Variable (Settable starting 0)
Window comparator mode : Set for 0 to 3%F.S.
24VDC, ripple 10% or less
Withstand voltage 1000VAC, 1minute (between lead block and case)
Insulation resistance
Noise resistance
50M or less (at 500VDC M)
(between lead block and case)
1000Vp-p pulse width 1 s first transition 1ns
Vibration proof
10 to 500Hz smaller one 1.5mm or 98m/s 2 , double
amplitude, each in directions of X,Y and Z 2hours
Impact proof 490m/s 2 , 3 tomes each in directions of X,Y and Z
Enclosure IP65
Set flow rate range
( /min)
125 to 3025 250 to 6050 550 to 12050
Measured flow rate range
( /min)
150 to 3000 300 to 6000 600 to 12000
Analog output 3%F.S. or less
Indicated value
PF2A703H Model PF2A706H PF2A712H
Hysteresis
Thermal sensing
*3) Switch output and integrated pulse are selected at initial setting.
*4) Except lead wire.