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Product Detail
Details
The Wika Mensor CPH7650 is a portable pressure calibrator that is capable of generating pressures up to 300 psi (20 bar). The CPH7650 also enables you to supply transmitters or sensors with a current of max. 30 mA (voltage (idling) = DC 24 V), in addition to the traditional measurement of current and voltage signals.
Specifications
Details
| Measuring ranges | |
| Pressure 1) | |
| Gauge pressure | -1 … +20 bar, -1 … +10 bar, 0 … 20 bar, 0 … 10 bar |
| Absolute pressure | 0 … 10 bar abs., 0 … 20 bar abs. |
| Overpressure limit 2) | 3 times |
| Accuracy | 0.025 % FS |
| Resolution | 5-digit |
| Temperature compensation | 15 … 35 °C (59 ... 95 °F) |
| Temperature coefficient | 0.002 % of span/°C outside of 15 ... 35 °C (59 ... 95 °F) |
| Current | |
| Measuring range | 0 … 24 mA (max. load 1,000 Ω) |
| Resolution | 1 μA |
| Accuracy | 0.015 % of reading ±2 μA (simulation and measurement) |
| Voltage | |
| Measuring range | DC 0 … 30 V |
| Resolution | 1 mV |
| Accuracy | 0.015 % of reading ±2 mV (measurement) |
1) Via exchangeable model CPT6000 reference pressure sensors
2) The electrical pump can generate -0.85 … +20 bar (-12 … 290 psi).
| Base instrument | |
| Pressure supply | -0.85 ... +20 bar (-12 ... 290 psi), via integrated electric pump |
| Pressure connection for test item | G ½" female thread |
| Permissible media | For dry, clean and non-aggressive gases |
| Output | |
| Voltage supply | DC 24 V |
| Power supply | |
| Battery type | NiMH rechargeable battery |
| Permissible ambient conditions | |
| Operating temperature | -10 … +50 °C (14 ... 122 °F) |
| Storage temperature | -20 … +60 °C (-4 ... +140 °F) |
| Relative humidity | 35 ... 85 % r. h. (non-condensing) |
| Base instrument | |
| Communication | |
| Interface | USB via special interface cable |
| Case | |
| Case | NK-7TM resin |
| Front panel | Aluminium |
| Ingress protection | IP67 (case closed) IP40 (case opened) |
| Dimensions | 387.4 x 304.8 x 177.8 mm (15.25 x 12 x 7 in) |
| Weight | approx. 7 kg (15.5 lbs.) |
Available pressure range and resolution
| Pressure range and factors | ||
| Gauge pressure | -1 ... +20 bar (-14.5 ... 290 psi) | |
| Overpressure limit | 40 bar (580 psi) | |
| Unit | Conversion factor | |
| psi | 1 | 300.00 |
| bar | 0.06894757 | 20.684 |
| mbar | 68.94757 | 20,684 |
| kPa | 6.894757 | 2,068.4 |
| MPa | 0.00689476 | 2.0684 |
| kg/cm² | 0.07030697 | 21.092 |
| cmH2O (4 °C) | 70.3089 | 21,093 |
| cmH2O (20 °C) | 70.4336 | 21,130 |
| inH2O (4 °C) | 27.68067 | 8,304.2 |
| inH2O (20 °C) | 27.72977 | 8,318.9 |
| inH2O (60 °F) | 27.70759 | 8,312.3 |
| mmHg (0 °C) | 51.71508 | 15,515 |
| inHg (0 °C) | 2.03602 | 610.81 |
3) Electrical pump: -0.85 … +20 bar (-12 … 290 psi)
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