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Calibration Certificate

None

A (w/Calibration Certificate)

None, Certificate in both English and Japanese

A (With Calibration Certificate)

A (Yes)

A (Made to Order)

A (Calibration Certificate)

A (Certificate)

Connector

Lead Wire w/Connector (2 m)

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

Z (w/o Lead Wire w/Connector)

L (Power Supply / Output Connector)

Flow Adjustment Valve

S (Yes)

S (With Valve)

S (With Flow Adjustment Valve)

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)

1 (PF2A511: 10-100l/min, PF2A521: 20-200l/min, PF2A551: 50-500l/min)

0 (PF2A510: 1-10l/min, PF2A550: 5-50l/min)

Flow Rate Range

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

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

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

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

501 (5 to 500 L/min)

102 (10 to 1000 L/min)

10 (1~10 l/min)

202 (20 to 2000 L/min)

Instruction Manual

With Instruction Manual

N (None)

w/Instruction Manual (Japanese/English)

Lead Wire

w/Lead Wire and M12 Connector, 3m

Lead Wire w/Connector

N (w/o Lead Wire and M12 Connector)

W (Lead Wire w/Connector + Rubber Cover for Connector)

L (Power Supply/Output Connection Lead Wire, 2m)

w/o Lead Wire

Option

S (Bracket for w/Flow Adjustment Valve)

R (Bracket for w/o Flow Adjustment Valve)

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

Standard

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

X560 (Analog Output Options)

D (Panel Mount Adapter + Front Protective Cover)

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

E (Bracket)

B (Panel Mount Adapter)

T (Panel Mount Adapter)

Option 1

w/Lead Wire w/Connector

W (w/Lead Wire w/Connector + Connector Cover)

w/Lead Wire and M8 Connector, 3m

L (Power Supply/Output Connector)

W (w/Lead Wire w/Connecter + Connector Cover)

N (No Lead Wire)

A (Panel Mounting)

N (w/o Lead Wire and M8 Connector)

B (Front Protective Cover + Panel Mount)

Option 2

No Bracket

R (With Bracket)

Without Bracket

R (w/Bracket)

S (With Bracket)

4C [Sensor Connector (4 pc.)]

T (With Panel Mount Adapter)

V (With Panel Mount Adapter)

D (B + Front Protective Cover)

Output Specification

B (2 PNP Outputs)

A (2 NPN Outputs)

F [1 PNP Outputs + Analog (4 to 20 mA)]

E [1 PNP Outputs + Analog (1 to 5 V)]

C [1 NPN Outputs + Analog (1 to 5 V)]

D [1 NPN Outputs + Analog (4 to 20 mA)]

1 [Analog Output (1 to 5 V)]

67 (PNP Open Collector 2 Outputs)

2 [Analog Output (4 to 20 mA)]

27 (NPN Open Collector 2 Outputs)

0 (2 NPN Outputs + 1 to 5 V Output)

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

Pulse Output Only

1 (PNP 4 Outputs)

0 (NPN 4 Outputs)

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

3 (2 PNP Outputs + 1 to 5 V Output)

A (Out 1: NPN; Out 2: NPN)

B (Out 1: PNP; Out 2: PNP)

Output Specifications

F (PNP; Analog 4 to 20 mA)

A (NPN, NPN)

ES (Out: PNP; Func: Analog Voltage Ouput <-> External Input)

FS (Out: PNP; Func: Analog Current Output <-> External Input)

B (PNP; PNP)

F (PNP, Analog 4 to 20 mA)

E (PNP, Analog 1 to 5 V)

C (NPN; Analog 1 to 5 V)

B (PNP, PNP)

E (PNP; Analog 1 to 5 V)

DS (Out: NPN; Func: Analog Current Output <-> External Input)

C (NPN, Analog 1 to 5 V)

A (NPN; NPN)

CS (Out: NPN; Func: Analog Voltage Output <-> External Input)

F (Out 1: PNP; Out 2: Analog 4 to 20 mA)

D (NPN; Analog 4 to 20 mA)

D (NPN, Analog 4 to 20 mA)

D (Out 1: NPN; Out 2: Analog 4 to 20 mA)

Piping Entry Direction

Straight

L (Bottom Side)

L (Bottom)

Port Size

C6 (ø6 One-touch Fitting)

N01 (NPT1/8)

N02 (NPT1/4)

N7 (ø1/4 One-touch Fitting)

04 (1/2)

C8 [ø8 (5/16") One-touch Fitting]

03 (Port Size 3/8)

C4 [ø4 (5/32") One-touch Fitting]

01 (Rc1/8)

C8 (Ø8 (5/16") One-touch Fitting)

04 (Port Size 1/2)

02 (Rc1/4)

C6 (ø6)

02 (Port Size 1/4)

F01 (G1/8)

10 (1)

06 (3/4)

14 (1 1/2)

01 (Port Size 1/8)

Rated Flow Range

03 (30 to 3000 l/min)

06 (60 to 6000 l/min)

12 (120 to 12000 l/min)

50 (0.5 to 50 L/min)

10 (0.1 to 10 L/min)

11 (1 to 100 L/min)

25 (0.3 to 25 L/min)

01 (0.01 to 1 L/min)

11 [2 to 100 (50) L/min]

10 [0.2 to 10 (5) L/min]

Thread

N (NPT)

N (NPT Thread)

F (G)

F (G thread)

Thread type

F [G (ISO 1179-1 Compliant)]

Unit Specification

Unit Switching Function

M (Fixed SI Unit)

Unit Selection Function

w/Unit Switching Function

M (SI Unit Only)

Units Selection Function

With Unit Switch Function

With Unit Switching Function

Units selection Function; for Overseas use only; SI Unit provided for Use in Japan

w/Units Selection Function

Unit Specifications

Wiring Specification

3m Lead Wire w/Connector

N (w/o Lead Wire)

PF2A551-04

DIGITAL FLOW SWITCH, AIR, PF2A, IFA, DIGITAL FLOW SWITCH FOR AIR

PF2A551-F04-2

PFMB7501-N04-F

DIGITAL FLOW SWITCH, 2-COLOR DIGITAL FLOW SWITCH FOR AIR

PFM750-01-C-M

PF2M750S-C6-B

PFM710-C6-A-M-R

PF2A751-F04-67N

PFMV530-1

PFM725-N01-B

PF2A750-02-27

PF2A710-02-27

PF2A750-N02-67

PF3A703H-10-ES-M

PF3A703H-F10-ES

PF3A703H-F10-FSN

PF3A706H-14-DS

PF3A706H-14-ES-M

PF2A551-F04-1

PF2A711-N03-27

PF2A711-N03-67

Pneumatic Digital Pressure Sensors