WIKA · Pressure measurement · Family CPT
Differential pressure transducer
High-accuracy differential pressure transducer with dual-sensor technology for critical applications in aerospace, calibration, and OEM instruments.
Range
-15…1500 psi
Output
USB · RS-232
Accuracy
0.008 % IS-33
Protection
IP20
RoHSEMC Directive EN 61326CE
Price
On request
Depends on configuration
Special features
- Static pressure range: 0 ... 340 mbar to 0 ... 17 bar [0 ... 5 to 0 ... 250 psi] Differential range: ±12.5 mbar to -1 ... 100 bar [±0.18 to -15 ... 1,500 psi] Accuracy down to 0.008 % IS-33 or 0.01 % FS Temperature compensation: 0 ... 50 °C [32 ... 122 °F] USB, RS-232, or RS-485 communication
Identification
| Model | CPT8900 |
| Product family | CPT |
| Subcategory | Differential pressure transducer |
Measuring range
| Pressure ranges | 0…340 mbar · 0…17 bar · -1…100 bar · -200…200 mbar · 0…5 psi · 0…250 psi · -15…1500 psi · -12.5…12.5 mbar · -3…3 psi · 0.013…0.013 bar |
Accuracy
| Accuracy class | 0.008 % IS-33 |
| Accuracy standard | ISO/IEC 17025 |
Process conditions
| Process connection | 7/16-20 SAE, female6 mm tube fitting¼" tube fitting¼ NPT, female thread⅛ NPT, female thread⅛ BSP, female threadSAE 7/16-20 female |
| Process temperature | +0…+50 °C |
Electrical characteristics
| Output signal | USB · RS-232 · RS-485 |
| Power supply | DC 9 ... 18 V (DC 12 V nominal), DC 3.0 ... 5.25 V (DC 5 V nominal) bus-powered |
| Electrical connection | D-Sub male, 9-pin, Micro-USB connector |
Materials
| Case material | Aluminium 6061 T6, Brass, Stainless steel 316L |
| Wetted parts material | Aluminium 6061 T6, Brass, Stainless steel 316L, Silicon, Epoxy, Glass-filled resins |
Operating environment
| Ambient temperature | −40…+85 °C |
| IP rating | IP20 |
| Weight | 1 kg |
Certifications and approvals
| Certifications | RoHSEMC Directive EN 61326CE |
Additional details
| Datasheet languages | EN, DE, ES, FR, IT, NL, PL, PT, RO, SV, RU, EL, JA, ZH |
Tables from datasheet
Pressure connection
| Connection | 7/16-20 SAE, female |
|---|---|
| Pressure adapters | ■ Without ■ 6 mm tube fitting ■ ¼" tube fitting ■ ¼ NPT, female thread ■ ⅛ NPT, female thread ■ ⅛ BSP, female thread |
| Permissible pressure media | Clean, dry, non-corrosive gases |
| Wetted parts | |
| Pressure ranges > 350 mbar [> 5 psi] | ■ Aluminium 6061 T6 ■ Brass ■ Stainless steel 316L |
| Pressure ranges ≤ 350 mbar [≤ 5 psi] | ■ Silicon ■ Epoxy ■ Glass-filled resins |
| Overpressure limit | ■ 2 x test pressure ■ 3 x burst pressure |
Communication
| Interface | ■ USB 2.0 ■ RS-232 ■ RS-485 |
|---|---|
| Baud rate | ■ 9600 ■ 19200 ■ 38400 ■ 57600 (default setting) ■ 115200 |
| Command sets | ■ Mensor default command set ■ Mensor legacy command set |
| Sample rate | 50 values/s; default - (adjustable ex-works) |
Voltage supply and performance data 1)
| Power supply | ■ RS-232 ■ RS-485 | DC 9 ... 18 V (DC 12 V nominal) |
|---|---|---|
| USB | DC 3.0 ... 5.25 V (DC 5 V nominal) bus-powered | |
| Power consumption | ■ RS-232 ■ RS-485 | < 48 mA at DC 12 V ±5 % (0.57 W max ) |
| USB | < 44 mA at DC 5 V ±5 % (0.22 W max ) | |
| Power supply unit | ||
| Working temperature | 0 ... 40 °C [32 ... 104 °F] | |
| If operation outside this range is required, a qualified external power supply unit must be used which is rated for the transducer's intended ambient conditions of -40 ... +85 °C [-40 ... +185 °F]. |
Operating conditions
| Place of use | Indoor Not for wet locations |
|---|---|
| Operating altitude | Up to 2,000 m [6,562 ft] above sea level |
| Operating temperature range | -40 ... +85 °C [-40 ... +185 °F] |
| Compensated temperature range | 0 ... 50 °C [32 ... 122 °F] Extended range on request |
View all (10)
Operating conditions
| Storage temperature range | -40 ... +85 °C [-40 ... +185 °F] |
|---|---|
| Humidity | 5 ... 95 % relative humidity |
| Condensation | Non-condensing |
| Mounting position | Vertical |
| EMC (HF field) | EN 61326-1 emission (group 1, class B) and immunity (industrial environment) |
| Logo | Description | Region |
|---|---|---|
| EU declaration of conformity EMC Directive EN 61326 emission (group 1, class B) and immunity (industrial environment) RoHS directive | European Union |
Description
| Calibration | ■ A2LA calibration certificate (standard ex-works) ■ DAkkS calibration certificate for an absolute pressure measuring range (traceable and accredited in accordance with ISO/IEC 17025) ■ DAkkS calibration certificate for a gauge pressure measuring range (traceable and accredited in accordance with ISO/IEC 17025) |
|---|---|
| Recommended calibration interval | 365 days (dependent on conditions of use) |
| Cal-Template (demo version) | Cal-Template (light version) | Cal-Template (full version) | Log-Template (full version) |
|---|---|---|---|
| Fully automatic calibration | Semi-automatic calibration | Fully automatic calibration | ■ Live measured value recording for a certain period of time with selectable interval, duration and start time ■ Creation of logger protocols with graphic and/or tabular representation of the measuring results in PDF format |
| Limitation to two measuring points | No limitation on the number of measuring points that can be approached | ||
| ■ Creation of 3.1 inspection certificates per DIN EN 10204 ■ Calibration reports can be exported to Excel ® template or XML file ■ Calibration of pressure measuring instruments | ■ Possibility of exporting measuring results as CSV file | ||
| Ordering information for your enquiry for a single licence: | |||
| Is available for a cost-free download | WIKA-CAL-LZ-Z-Z | WIKA-CAL-CZ-Z-Z | WIKA-CAL-ZZ-L-Z |
| Ordering information for your enquiry for a pair licence: | |||
| Cal-Template (light version) together with Log-Template (full version) | WIKA-CAL-LZ-L-Z | ||
| Cal-Template (full version) together with Log-Template (full version) | WIKA-CAL-CZ-L-Z |
| Description 1) | Order code | |
|---|---|---|
| CPX-A-T6 | ||
| Power supply Via RS-232 interface cable Cable length: 1.5 m [4.9 ft] | -1- | |
| Power supply Via RS-485 interface cable Cable length: 1.5 m [4.9 ft] | -2- | |
| - | Interface cable Micro-USB, 1 m [3 ft] | -3- |
| - | Interface cable Micro-USB, 3 m [9.8 ft] | -4- |
| Adapter cable RS-232 to USB | -5- | |
| RS-485 to USB | -6- | |
| Adapter set Consisting of: 2 adapters with SAE J514/JIC 4, male thread to a 6 mm tube fitting P Max. 137 bar [2,000 psi] Material: brass | -M- | |
| Adapter set Consisting of: 2 adapters with SAE J514/JIC 4, male thread to ¼" tube fitting P Max. 137 bar [2,000 psi] Material: brass | -I- | |
| Adapter set Consisting of: 2 adapters with SAE J514/JIC 4, male thread to ¼ NPT, female thread P Max. 137 bar [2,000 psi] Material: brass | -N- | |
| Adapter set Consisting of: 2 adapters with SAE J514/JIC 4, male thread to ⅛ NPT, female thread P Max. 137 bar [2,000 psi] Material: brass | -S- | |
| Adapter set Consisting of: 2 adapters with SAE J514/JIC 4, male thread to ⅛ BSPG, female thread P Max. 137 bar [2,000 psi] Material: brass | -B- | |
| - | Transport case | -T- |
| Calibration adapter For reference pressure transducers and current supply | -C- |
| Description 1) | Order code | |
|---|---|---|
| CPX-A-T6 | ||
| - | Relief valve Dual differential relief valve | -D- |
| - | Relief valve Dual differential relief valve vented to atmosphere | -A- |
| Ordering information for enquiry: | ||
| 1. Order code: CPX-A-T6 2. Option: | ⇓ [ ] |
Industry
Machinery
Pressure calibration High-accuracy pressure monitoring Pressure measurement in critical applications Aerospace
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