Model

Horizontal Dial

Vertical Dial

FR51 HV

FR51 VV

Unit

Type of Measurement

Mechanism

Gases Measured

Operating

Temperature

Operating Humidity

Maximum Pressure

Outer Casing

Shock Resistance

Vibration

Resistance

Applicable Tubing

Connectors

Orientation of

Connectors

Weight

Accessories

Pa, kPa

Differential Pressure

Diaphragm

Air and non-corrosive gases (no liquids)

–10°C~50°C (no icing)

90%RH or less (no condensation)

50kPa

Denatured acrylic

5~10Hz Total Amplitude 10mm

10~50Hz Accelerated Amplitude 39m/s² (2 hours in each triaxial direction)

100m/s² (6 times in each triaxial direction)

Soft PVC or rubber tubing (inner diameter 4mm)

Built-in

High pressure side marked “H”, Low pressure side marked “L”

Approx. 100g

Nut set

Range Code

Display Range

Standard Installation

Position

Accuracy at 20°C

Diaphragm Material

Diaphragm Pressure Resistance

50DH

0~50 Pa

Horizontal(­)

Up to ± 2.5%F.S.

Up to ±
50% F.S.

Up to ± 2.5%F.S

Silicone Rubber

20kPa

50DV

Vertical

100DH

0~100 Pa

Horizontal(­)

100DV

Vertical

200D

300D

500D

1000D

0~200 Pa

0~300 Pa

0~500 Pa

0~1000Pa

Free position: Upward Facing- Vertical- Downward Facing

2E

3E

5E

0~2 kPa

0~3 kPa

0~5 kPa

± 50DH

± 50 Pa

Horizontal(­)

± 50DV

Vertical

± 100D

± 100Pa

Free position: Upward Facing- Vertical- Downward Facing