Pressure Calibration and Verification
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| Origin | Imported |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Model | AKS-P8002 |
| Pressure Range | Up to 250 MPa |
| Accuracy Class | 0.02% / 0.05% (depending on range) |
| Pressure Port | M20×1.5 male thread & Φ6 mm quick-connect (differential type) |
| Electrical Test | Voltage (-30–30 V), Current (-30–30 mA), Switch Test, 24 V Loop Power |
| Dimensions | Ø120 mm × 46 mm (head), Total Length 184 mm |
| Weight | 0.7 kg |
| Brand | Crystal |
|---|---|
| Origin | Denmark |
| Model | HPC40 Series |
| Pressure Range | Up to 15,000 psi (1000 bar / 100 MPa) |
| Accuracy | ±0.035% of reading |
| Operating Temperature Compensation | Full-range compensation from −20 °C to +50 °C |
| Functionality | Simultaneous pressure measurement & mA loop sourcing/sinking (0–24 mA), voltage measurement (0–30 VDC), temperature measurement via Pt100/Pt1000 (True Ohms mode) |
| Interface | Menu-free, direct-access button layout |
| Power Options | Rechargeable Li-ion battery with AC adapter |
| Design | Modular, field-serviceable architecture |
| Calibration Targets | Analog and digital pressure gauges, transmitters, switches, and I/P converters |
| Compliance | Designed for traceable calibration in accordance with ISO/IEC 17025, ASTM E74, and EN 837-1 |
| Brand | Crystal |
|---|---|
| Origin | Denmark |
| Model | nVision Reference Recorder |
| Type | Pressure Calibrator |
| Calibration Target | Pressure Controllers |
| Design | Modular Architecture |
| Pressure Range | Up to 15000 psi (1000 bar, 100 MPa) |
| Accuracy (Differential Pressure) | ±0.025% of reading |
| Data Storage | 500,000 points |
| Sampling Rate | 10 readings per second per 2 modules |
| Environmental Rating | Submersible to 3 ft (≈0.9 m) |
| Operating Temperature Range | −20 °C to +50 °C |
| Thermal Compensation | Full accuracy compensation across −20 °C to +50 °C |
| Certification | A2LA-accredited calibration certificate with test data at five temperature points |
| Input/Output Capabilities | Gauge & absolute pressure, switch status, voltage, current, and temperature |
| Brand | Biaozhuo |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | LKY-005 |
| Price | USD 2,380 (FOB Shanghai) |
| Measurement Range | 0–100 mm |
| Repeatability | ±0.05 mm |
| Resolution | 0.01 mm |
| Maximum Permissible Error | ±(0.03 + 0.003L) mm (calibrated against Grade 2 gauge blocks) |
| Compliance | JJG 146–2003 (Chinese National Verification Regulation for Gauge Blocks) |
| Brand | Fischer |
|---|---|
| Origin | Germany |
| Model | DE90 |
| Measurement Principle | Piezoresistive Ceramic Sensor Technology |
| Output Signal | 4–20 mA (2-wire), optional 0–10 V |
| Accuracy | ±0.1 % FS |
| Long-Term Stability | <0.1 % FS/year |
| Operating Temperature Range | –20 to +70 °C |
| Enclosure Rating | IP65 |
| Media Compatibility | Air and neutral gases |
| Max. Overpressure | 5× full scale |
| Supply Voltage | 12–36 V DC |
| Response Time | <100 ms |
| Certifications | CE, RoHS, optionally ATEX II 3G Ex nA IIC T4 Ga (for DE43 variant), compliant with DIN EN 61326-1 (EMC), DIN EN 61000-6-2/6-4 |
| Brand | Safe |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Manufacturer |
| Regional Classification | Domestic (China) |
| Model | HART375 |
| Instrument Type | HART Protocol Field Communicator |
| Calibration Target | HART-enabled Pressure Transmitters, Temperature Transmitters, Flow Meters |
| Design | Integrated Handheld Unit |
| Application Environment | Industrial Plant Floors, Control Rooms, Field Maintenance Zones |
| Communication Modes | Point-to-Point, Multi-Drop (4–20 mA Loop), HART Primary Master Emulation |
| Supported Devices | All HART Revision 5–7 compliant field instruments |
| Power Source | Internal Rechargeable Li-ion Battery (Typical Runtime: >12 h continuous operation) |
| Loop Interface | Built-in 250 Ω precision resistor, loop-powered operation |
| Display | 3.5" TFT LCD (320 × 240 pixels), sunlight-readable with adjustable backlight |
| Environmental Rating | IP65 (Dust-tight, water-jet resistant) |
| Operating Temperature | –10 °C to +50 °C |
| Compliance | IEC 61000-4-2 (ESD), IEC 61000-4-3 (Radiated Immunity), ATEX/IECEx Zone 2 / Class I Div 2 (Optional Certified Variant Available) |