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Calibration Certificate

None

A (w/Calibration Certificate)

Connector

Lead Wire w/Connector (2 m)

W [Lead Wire w/Connector (2m) + Rubber Cover]

Z (w/o Lead Wire w/Connector)

Flow Adjustment Valve

S (Yes)

Flow Range

51 (50~500 l/min)

10 (1~10l/min)

11 (10~100 l/min)

50 (5~50 l/min)

21 (20~200 l/min)

Flow Rate Range

50 [1 to 50 (25 for CO2) ?/min]

10 [0.2 to 10 (5 for CO2) ?/min]

11 [2 to 100 (50 for CO2) ?/min]

25 [0.5 to 25 (12.5 for CO2) ?/min]

Instruction Manual

With Instruction Manual

N (None)

w/Instruction Manual (Japanese/English)

Measurement Flow Range

30F (-3.0 to 3.0 ?/min)

30 (0.0 to 3.0 ?/min)

05 (0.0 to 0.5 ?/min)

10F (-1.0 to 1.0 ?/min)

10 (0.0 to 1.0 ?/min)

05F (-0.5 to 0.5 ?/min)

Measurement Flow Range for X502

Option

R (Bracket for w/o Flow Adjustment Valve)

S (Bracket for w/Flow Adjustment Valve)

A (w/L-Type Bracket/Mounting Screw)

V (Panel Mount Adapter for w/Flow Adjustment Valve)

T (Panel Mount Adapter for w/o Flow Adjustment Valve)

Output Specification

1 [Analog Output (1 to 5 V)]

2 [Analog Output (4 to 20 mA)]

Pulse Output Only

2 (Pulse Output + Analog Output (4~20mA))

1 (Pulse Output + Analog Output (1~5V))

Piping Entry Direction

Straight

L (Bottom)

Port Size

N01 (NPT1/8)

C6 (ø6 One-touch Fitting)

03 (Port Size 3/8)

N7 (ø1/4 One-touch Fitting)

02 (Port Size 1/4)

04 (Port Size 1/2)

C8 (ø8 (5/16") one-touch fitting)

N02 (NPT1/4)

01 (Port Size 1/8)

01 (Rc1/8)

C4 [ø4 (5/32") One-touch Fitting]

02 (Rc1/4)

F01 (G1/8)

F02 (G1/4)

Thread

N (NPT Thread)

F (G thread)

Wiring Specification

3m Lead Wire w/Connector

N (w/o Lead Wire)

X502

PF2A551-N04

Air Flow Switch: 50-500 l/min, NPT 1/2"" port, 3m lead, pulse output.

PFM511-N02-2

Air flow sensor, 2-color digital display, 11 to 100 L/min range, NPT1/4 port, 4-20mA output.

PFM525-F01-2

Digital flow switch for air, 0.5-25 L/min, G1/8 port, straight entry, 4-20 mA analog output, 2m lead connector.

SMC Remote Air Flow Sensors