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CPT6140 -- High-Speed Pressure Sensor

Category: PRESSURE

Model: Pressure Sensor

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The model CPT6140 high-speed pressure sensor is a compact, robust sensor with an output mode of 250 Hz (4 ms) response time and a measuring range which is freely selectable between -1 ... +400 bar (-15 ... +6,000 psi). The accuracy of up to 0.025 % IS-50 for 365 days makes the sensor suitable for a wide range of applications in precision measurement technology.

Application

This precision pressure sensor is built into OEM instruments, e.g. in pressure, flow or humidity calibrators, or in any instrument where high-speed measurement is needed.

This pressure sensor is set up with streaming output mode in IEEE-754 format, and does not allow the user to send commands or queries in its native mode. It is used as a reference pressure sensor within the automated manufacturing of pressure measuring instruments or calibration stands. Through a high accuracy, speed of reading and long-term stability, the CPT6140 is particularly suited for applications in wind tunnels, in pressure chambers or for leak and burst tests. These characteristics make it a valuable tool in metrology, hydrology, oceanography, and in the aviation and space industries.

Functions

The model CPT6140 has an RS-232 interface as standard and an RS-485 interface as option. The sensor can be configured for gauge and absolute pressure for any measuring range within the specified limits.

With a recalibration time of 180 or 365 days (depending on accuracy selected) and a high resolution of 6 digits, the CPT6140 is flexible enough to be used in a wide variety of applications.

Compact design

With its robust and compact design, the pressure sensor can be easily integrated in a 19" rack. With the combination of male and female threads, a fast and secure fitting is always possible, negating the need for further sealing.

High-speed pressure sensor technology

Accuracy 1)

0.025 % FS 2)

0.025 % IS-50 3)

Measuring Range

Gauge Pressure

0 ... ? 70 mbar up to 0 ... 400 bar

(0 ... ? 1 up to 0 ... 6,000 psi)

0 ... 1 up to 0 ... 400 bar

(0 ... 15 up to 0 ... 6,000 psi)

Bi-Directional

0 ... 1 up to 0 ... 400 bar

(0 ... 15 up to 0 ... 6,000 psi)

-1 ... +10 up to 0 ... 400 bar

(-15 ... +145 psi up to 0 ... 6,000 psi)

Absolute Pressure

0 ... 500 mbar up to 0 ... 401 bar abs.

(0 ... 7.5 psi up to 0 ... 6,015 psi abs.)

0 ... 1 up to 0 ... 401 bar abs.

(0 ... 15 up to 0 ... 6,015 psi abs.)

Calibration Interval

180 days

365 days

CPT6140 as barometric reference

Measuring Range

552 ... 1,172 mbar abs. (8 ... 17 psi abs.)

Accuracy 1)

0.025 % of reading

Calibration Interval

365 days

Preassure Units

psi, bar, mbar, Pa, kPa, hPa, MPa, tsi, atm, torr, Dynes/cm?2;, g/cm?2;, kg/cm?2;, mSW, oz/in?2;, psf, tsf, mmH2O (4°C), cmH2O (4°C), mH2O (4°C), inH2O (4°C), inH2O (20°C), inH2O (60°F), ftH2O (4°C), ftH2O (20°C), ftH2O (60°F), ?mHg (0°C), mmHg (0°C), cmHg (0°C), inHg (0°C), inHg (60°F), inSW (0°C), ftSW (0°C), mtorr (0°C)

High-speed pressure sensor

Case

Mounting Position

< 1 bar negligible

Can be adjusted through zero point adjustment (linear shift of the characteristic curve)

Dimesions

see technical drawings

Weight

505 g (1.11 lbs.)

Display

Resolution

> 6 significant digits

Filter

Adjustable exponential filter from 0 ... 99 %

The filter is only active within a defined range of 0.010 % FS

Warm up time

approx. 15 min up to the specified accuracy

Connection

Pressure Connection

Connection 7/16-20 SAE for pressure and reference port

The reference port is sealed for absolute pressure sensors

Over Pressure Safety

10 % above the nominal pressure of the sensor

Material, Watted Parts

Aluminium, brass, stainless steel 316, Buna-N, Viton®, silicone grease, silicone rubber, nylon, ceramic, glass, silicon

Voltage Supply

Power Supply

DC 6 ... 20 V; 45 mA for DC 12 V

Permissible ambient conditions

Storage Temperature

0 ... 70 °C (32 ... 158 °F)

Humidity

0 ... 95 % r. h. (non-condensing)

Compensated temperature range

15 ... 45 °C (59 ... 113 °F)

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