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Manual micro-pressure verification scheme: (-40 ~ 40 / -100 ~ 100) kPa
Manual pneumatic pressure verification scheme: (-0.1 ~ 6 / -0.1 ~ 16) MPa
Manual hydraulic pressure verification scheme: (0 ~ 60 / 0 ~ 250) MPa
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The manual pressure verification solution mainly consists of a manual pressure pump and a digital pressure calibrator (digital precision pressure gauge). Three scheme options are available:
Manual micro-pressure verification scheme: (-40 ~ 40 / -100 ~ 100) kPa
Manual pneumatic pressure verification scheme: (-0.1 ~ 6 / -0.1 ~ 16) MPa
Manual hydraulic pressure verification scheme: (0 ~ 60 / 0 ~ 250) MPa
This manual pressure verification scheme is ideally suited for both field and laboratory use, performing verification of pressure instruments including:
Intelligent pressure (differential pressure) transmitters
Conventional pressure (differential pressure) transmitters
Pressure switches
Precision pressure gauges
General-purpose pressure gauges
Pressure Calibrator Features
Maximum pressure up to 250 MPa
DC 24V power supply — no external power source required for transmitter verification
HART-compatible — capable of calibrating HART intelligent pressure transmitters
Automatic temperature compensation
Data storage
6-digit digital display
Backlit LCD screen
Detachable rechargeable lithium battery
Electrical Measurement Parameters
| Item | Measurement Range | Maximum Permissible Error | Resolution |
|---|---|---|---|
| Current measurement | (-30 ~ 30) mA | ± (0.01% RD + 0.005% FS) | 0.1 μA |
| Voltage measurement | (-30 ~ 30) V | ± (0.01% RD + 0.005% FS) | 0.1 mV |
| Continuity detection | For switches with patrol voltage: (3.0 ~ 24.0) V | — | — |
| DC 24V output | 24.0 ± 0.5 V, max. load capacity 50 mA | — | — |
Technical Specifications
| Category | Details |
|---|---|
| Pressure units | Pa, kPa, MPa, psi, bar, mbar, inH₂O, mmH₂O, inHg, mmHg, kgf/cm², etc. |
| Operating conditions | Ambient temperature: (-10 ~ 50) ℃Relative humidity: ＜ 95%Storage temperature: (-20 ~ 70) ℃ |
| Atmospheric pressure | (86 ~ 106) kPa |
| Storage capacity | 30 files total, 40 records per file |
| Storage modes | Manual storage mode & real-time recording mode |
| Battery life | Approx. 40 hours (operating)Approx. 3 hours (charging) |
| Dimensions | Head: Φ120 mm × 46 mmOverall length: 184 mm |
| Weight | 0.7 kg |
| Communication interface | RS232 |
| Pressure connection | M20 × 1.5 external threadΦ6 mm quick-connect internal socket (differential pressure type) |
| Electrical connection | Φ4 mm banana plugs |
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