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The model CPH7000 process calibrator is a precise, portable calibrator for the calibration and checking of analogue pressure measuring instruments, pressure transmitters and process transmitters. Furthermore, pressure switches can be checked and the switching point determined. With the CPH7000, not only can transmitters be checked, but also simulated and tested.
The CPH7000 optionally features an integrated reference pressure sensor and also a manual pressure generation, with which pressures of -0.85 ... +25 bar (-14.5 ... +360 psi) can be generated. It is possible to simultaneously power an external transmitter via the electrical module and to measure (or also simulate) its output signal.
The calibrator offers the possibility to set calibration routines quickly and easily, but also to run preconfigured calibration routines and automatically save the measured values. Over the WIKA-Wireless interface, the completed calibration processes can be transmitted to a PC. This data can subsequently be evaluated and archived using WIKA-CAL software. Thus a completely paperless transmitter calibration is possible with just the CPH7000.
The CPH7000 is compensated over a wide temperature range of 10 ... 50 °C (50 ... 122 °F) and achieves an accuracy of 0.025 % of span. In order to avoid intricate calculations, the measured values can also be displayed directly in customer-specific units
| Display | |
| Display | Touchscreen color display |
| Display resolution | up to 5 digits; selectable |
| Pressure units | mbar, bar, psi, Pa, kPa, hPa, MPa, mmHg, cmHg, inHg, mmH2O, mH2O, inH2O (4 °C), inH2O (20 °C), inH2O (60 °F), inHg (0 °C), inHg (60 °F), kg/cm², kp/cm², lbf/ft², kN/m², atm, Torr, micron, g/l (20 °C), kg/m³ (20 °C) as well as two user-defined units |
| Settings | |
| Applications (Apps) | Measure, calibrate, logger, switch test |
| Measuring rate | 50 values/s |
| Menu languages | English, German, Spanish, French, Italian, Russian, Arabic, Chinese (settable) |
| Connections | |
| External pressure sensor 1) | max. 2, compatible with model CPT7000 reference pressure sensors |
| External ambient module 1) | max. 1 ambient module 2) |
| External temperature probe 1) | max. 1 temperature probe 2) |
| Manual pressure generation 1) | -0.85 … +25 bar (-12.3 ... +360 psi) |
| Voltage supply | |
| Power supply | internal Lithium-Ion rechargeable battery (typical charging time: < 5 h) |
| Battery life | typical 8 hours 3) |
| Permissible ambient conditions | |
| Operating temperature | -20 ... +50 °C (-4 ... +122 °F) |
| Storage temperature | -20 ... +60 °C (-4 ... +140 °F) |
| Relative humidity | 0 ... 85 % r. h. (non-condensing) |
| Shock and vibration | 15 g per EN 60068-2-6 |
| Reference conditions per IEC 61298-1 | |
| Atmospheric pressure | 860 hPa < P < 1,060 hPa (12.5 psi < P < 15.4 psi) |
| Ambient temperature | 18 °C < T < 28 °C, typ. 23 °C |
| Relative humidity | 35 % r. h. < T < 95 % r. h. , typ. 55 % r. h. |
| Position | Hand-held lying face-up |
| 1) Available as an option 2) Temperature probe and ambient module use the same connection. Cannot be used at the same time. 3) Continuous operation (without backlighting, WIKA-Wireless deactivated and the electrical module gives no voltage/current). | |
| Communication | |
| Interface | WIKA-Wireless 4) |
| Case | |
| Material | PC + ABS blend |
| Ingress protection | IP54 category 2 |
| Dimensions | See Data Sheet |
| Weight | approx. 1.9 kg (4.19 lbs.) without internal pump and reference sensor approx. 2.5 kg (5.51 lbs.) incl. internal pump and reference sensor |
| 4) Requires a PC with Bluetooth® 2.1 interface | |
| Internal sensor technology | |||||||
| Pressure 5) | |||||||
| Gauge pressure | bar | -1 ... +1 | -1 ... 5 | -1 ... 10 | -1 ... 20 | -1 ... 25 | |
| psi | -14.5 ... +14.5 | -14.5 ... +70 | -14.5 ... +145 | -14.5 ... +300 | -14.5 ... +360 | ||
| Absolute pressure | bar abs. | 0 ... 1 | 0 ... 1.6 | 0 ... 6 | 0 ... 10 | 0 ... 20 | 0 ... 25 |
| psi abs. | 0 ... 14.5 | 0 ... 23 | 0 ... 87 | 0 ... 145 | 0 ... 290 | 0 ... 360 | |
| Overpressure safety | 3 times | ||||||
| Accuracy of the measuring chain 6) | 0.025 % of span 7) | ||||||
| Resolution | 5 digits | ||||||
| Pressure connection | G 1/8 female thread (only with selected pneumatic unit) | ||||||
| Electrical safety: | |||||||
| Resistance to overvoltage | Yes | ||||||
| Short-circuit resistant | Yes | ||||||
| Reverse polarity protection | Yes | ||||||
| Voltage-resistant | Up to 60 V | ||||||
| Input impedance | |||||||
| Current measurement | 20 Ω | ||||||
| Voltage measurement | 1 MΩ | ||||||
| Current | |||||||
| Measuring range | 0 … 30 mA | ||||||
| Supply | 0 … 30 mA | ||||||
| Resolution | 1 μA | ||||||
| Accuracy | Measure: 0.01 % ±1 μA Supply: 0,01 % ±2 μA 8) | ||||||
| Voltage | |||||||
| Measuring range | DC 0 … 30 V | ||||||
| Supply | DC 24 V | ||||||
| Resolution | 1 mV | ||||||
| Accuracy | 0.01 % or reading ±1 mV | ||||||
| Barometric reference 1) 9) | |||||||
| Measuring range | 850 ... 1,100 mbar (12.3 ... 16 psi) | ||||||
| Accuracy | ±1 mbar | ||||||
| 1) Available as an option 5) The internal reference sensor is only available in combination with a pneumatic unit. 6) It is defined by the total measurement uncertainty, which is expressed with the coverage factor (k = 2) and includes the following factors: the intrinsic performance of the instrument, the measurement uncertainty of the reference instrument, long-term stability, influence of ambient conditions, drift and temperature effects over the compensated range during a periodic zero point adjustment. 7) Calibrated at 23 °C (74 °F) and in vertical mounting position. 8) In the event of interference caused by high-frequency electromagnetic fields in a frequency range of 200 ... 300 MHz, an increased deviation of up to 0.1 % is expected for the current output function. 9) The barometric reference can be used to switch pressure types, absolute <=> gauge. With gauge pressure sensors, the measuring range of the sensors must begin with -1 bar (-15 psi) in order to carry out a complete absolute pressure emulation. | |||||||
| Power supply unit | |
| Input voltage | AC 100 ... 240 V, 50 ... 60 Hz |
| Output voltage | DC 12 V |
| Nominal Output current | 2,500 mA |
| Permissible ambient conditions | |
| Operating temperature | 0 ... 40 °C (32 ... +104 °F); up to 90 % r. h. (non-condensing) |
| Storage temperature | -40 ... +70 °C (-40 ... +158 °F) |
| Relative humidity | 20 ... 80 % r. h. (non-condensing) |
| Temperature probe Pt100 1) | |
| Measuring range | -50 ... +250 °C (-58 ... +482 °F) |
| Accuracy | 1/10 DIN, classe B ±0.1 °C |
| Probe length | 200 mm (7.87 in) |
| Probe diameter | 3 mm (0.12 in) |
| Cable length | 1 m (3.28 ft) |
| Connection to CPH7000 | max. 1 temperature probe 2) |
| User-defined RTD probe | Input of the coefficients of R0, A, B and C |
| Ambient module 1) | |
| Measuring range | |
| Relative humidity | 0 ... 100 % r. h. |
| Temperature | -40 ... +125 °C (-40 ... +257 °F) |
| Accuracy | |
| Relative humidity | ±1.8 % r. h. |
| Temperature | ±0.2 °C (0.36 °F) |
| Connection to CPH7000 | max. 1 ambient module 2) |
| WIKA-Wireless 4) | |
| Frequency range | 2,400 ... 2,500 MHz |
| HF output power | max. 2 dBm (+ 2 dBi) |
| Number of channels | 79 |
| Channel spacing | 1/2 MHz |
| Bandwidth | 80 MHz |
| Output power | 4 dBm / 10 mW |
| 1) Available as an option 2) Temperature probe and ambient module use the same connection. Cannot be used at the same time. 4) Requires a PC with Bluetooth® 2.1 interface | |
| Certificate | |
| Calibration | Standard: 3.1 calibration certificate per EN 10204 Option: DKD/DAkkS calibration certificate |
| Recommended recalibration interval | 1 year (dependent on conditions of use) |
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