Daiichi Keiki, Japan
Daiichi Keiki HCT Series Precision Pressure Gauge (Class 0.6)

Manufacturer: Daiichi Keiki
Model: HCT Series
Overview of HCT Series
Primarily used for comparative testing and calibration, this product serves as a standard gauge capable of high-precision pressure measurement
Features of HCT Series
- The scale division is fine, making it easy to read even slight pressure differences.
- It can be used as a secondary standard instead of a dead-weight pressure gauge.
- It comes with a test certificate, allowing for accurate pressure readings.
- It has a splash-proof structure (except for the 200φD type), suitable for indoor and outdoor use.
Precision Pressure Gauge Case Appearance
HCT-A ![]() Bezel-less Standard Type HCT-A 100φ | HCT-B Screw-fastening Bezeled Type HCT-B 100φ |
HCT-D ![]() Bezeled, Back Entry Type HCT-D 100φ | HCT-D 200φ ![]() Bezeled, Back Entry Type 200φ HCT-D200φ |
Specifications of HCT Series
■ 100φ Precision Pressure Gauge
| Size | Case appearance | G3/8B | R3/8 | G1/2B | R1/2 | ||
| 100 | General use | A | – | HCT-341A | HCT-841A | HCT-441A | HCT-941A |
|---|---|---|---|---|---|---|---|
| B | Mounting holes | HCT-341B | HCT-841B | HCT-441B | HCT-941B | ||
| D | Mounting holes | HCT-341D | HCT-841D | HCT-441D | HCT-941D | ||
| Corrosion resistant applications | A | – | HCT-346A | HCT-846A | HCT-446A | HCT-946A | |
| B | Mounting holes | HCT-346B | HCT-846B | HCT-446B | HCT-946B | ||
| D | Mounting holes | HCT-346D | HCT-846D | HCT-446D | HCT-946D | ||
| Size | Pressure span (MPa) | Connection material | Case material | Accuracy | |||
| General use | Corrosion resistant applications | General use | Corrosion resistant applications | ||||
| 100 | Pressure (0 to 0.1) to (0 to 100) Vacuum -0.1 to 0 coupled (-0.1 to 0.1) to (-0.1 to 2.5) | Stock C3604 Bourdon tube SUS316 | Stock SUS316 Bourdon tube SUS316 | aluminum black case | ±0.6%FS | ||
| Additional specifications |
process <No oil> <No oil or water> |
Due to improvements to this product, specifications may change without prior notice.
■ 200φ Precision Pressure Gauge
| Size | Case appearance | G3/8B | R3/8 | G1/2B | R1/2 | ||
| 200 | General use | A | – | HCT-381A | HCT-881A | HCT-481A | HCT-981A |
|---|---|---|---|---|---|---|---|
| B | Mounting holes | HCT-381B | HCT-881B | HCT-481B | HCT-981B | ||
| D | Mounting holes | HCT-381D | HCT-881D | HCT-481D | HCT-981D | ||
| Corrosion resistant applications | A | – | HCT-386A | HCT-886A | HCT-486A | HCT-986A | |
| B | Mounting holes | HCT-386B | HCT-886B | HCT-486B | HCT-986B | ||
| D | Mounting holes | HCT-386D | HCT-886D | HCT-486D | HCT-986D | ||
| Size | Pressure span (MPa) | Connection material | Case material | Accuracy | |||
| General use | Corrosion resistant applications | General use | Corrosion resistant applications | ||||
| 200 | Pressure (0 to 0.1) to (0 to 100) Vacuum -0.1 to 0 coupled (-0.1 to 0.1) to (-0.1 to 2.5) | Stock C3604 Bourdon tube SUS316 | Stock SUS316 Bourdon tube SUS316 | aluminum black case | ±0.6%FS | ||
| Additional specifications |
process <No oil> <No oil or water> |
Due to improvements to this product, specifications may change without prior notice.
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Screw-fastening Bezeled Type HCT-B 100φ





