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Related Manuals for Calex PyroUSB Series
Summary of Contents for Calex PyroUSB Series
- Page 1 PyroUSB Series Operator’ s Guide...
- Page 2 PyroUSB Series infrared sensors measure the temperature of surfaces without contact. They have a linear 2-wire 4 to 20 mA output, which is compatible with almost any indicator, controller, recorder or data logger without the need for special interfacing or signal conditioning.
- Page 3 MECHANICAL Construction Stainless Steel Dimensions Ø 27.6 x length 61 mm including cable glands Thread mounting M20 x 1 mm pitch, length 15 mm 4-20 mA Output Cable Length 1 m (standard), up to 30 m (optional) Weight with 1 m Output Cable 155 g USB Cable Length 1.8 m...
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Page 4: Model Numbers
MODEL NUMBERS Short PUA2 Wavelength Glass PUA5 General PUA8 Purpose Cooling (blank) Sensor without cooling Air/water cooled jacket with air purge collar Temperature range PUA2 45°C to 300°C (151 models only) 100°C to 400°C (151 models only) 250°C to 1000°C 450°C to 2000°C PUA5 50°C to 1000°C... - Page 5 ACCESSORIES A range of accessories to suit different applications and industrial environments is available. These may be ordered at any time and added on-site: • Fixed and adjustable mounting brackets • Air purge collar • Laser sighting tool • Mounting bracket with continuous laser sighting OPTIONS The following options are available.
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Page 6: Installation
The sensor must be installed in a location where energy from lamps, heaters and sunlight cannot be reflected from the target into the lens. The use of shields may help in this respect. For further information and assistance contact Calex. AMBIENT TEMPERATURE The sensor is designed to operate in ambient temperatures from 0°C to 70°C. -
Page 7: Power Supply
WIRING Check the distance between the sensor and the indicating/controlling device. If necessary, the sensor can be ordered with a longer cable attached. POWER SUPPLY Be sure to use a 24 V DC (22 mA) power supply. MECHANICAL INSTALLATION All sensors come with a 1m cable and a mounting nut. The sensor can be mounted on brackets or cut outs of your own design, or you can use the fixed and adjustable mounting bracket accessories which are shown below. -
Page 8: Air Purge Collar
AIR PURGE COLLAR The air purge collar below is used to keep dust, fumes, moisture, and other contaminants away from the lens. It must be screwed in fully. Air flows into the 1/8” BSP fitting and out of the front aperture. Air flow should be 5 to 15 litres/min. Clean or ‘instrument’... - Page 9 • USB 2.0 port, Internet access (for software download) Installation Download and run the software installer at www.calex.co.uk/software Follow the on-screen instructions NOTE: Do not use any other USB cable than the one supplied with the sensor. Do not connect the sensor to the PC before the software is installed.
- Page 10 From the Settings menu, go to Emissivity and Compensation. Emissivity Setting Enter the emissivity of the target. Target emissivity can be determined experimentally, or estimated using an emissivity table. For more information, contact Calex. Default setting: 0.95 Window Transmissivity When aiming the sensor through an IR-transmissive window, this setting should be adjusted to compensate for the presence of the window.
- Page 11 MODBUS OVER SERIAL LINE Interface Baud rate 9600 Format (bits) 8 data, No parity, 1 stop Reply delay 20 ms Supported Functions Read register 0x03, 0x04 Write single register 0x06 Write multiple register 0x10 List of Modbus Addresses The list below includes all available addresses: R = Read, W = Write Address Length (words)
- Page 12 Address Length (words) Description 0x11 Maximum Temperature 0x12 Filtered Temperature 0x13 Unfiltered Temperature 0x14 Sensor Temperature 0x15 Status (bits active high): Bit 0: Measurement error Bit 1: Sensor temperature low Bit 2: Sensor temperature high Bit 3: Object temperature low Bit 4: Object temperature high 0x17 Reflected Temperature...
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Page 13: Default Settings
In many cases, problems can be solved over the telephone. If the sensor is not performing as it should, see TROUBLESHOOTING and try to match the symptom to the problem. If the table does not help, call Calex for further advice. LENS CLEANING Keep the lens clean at all times. -
Page 14: Troubleshooting
GUARANTEE Calex guarantees each instrument it manufactures to be free from defect in material and workmanship under normal use and service for the period of two years from the date of purchase. This guarantee extends only to the original buyer according to Calex Terms and... - Page 16 Issue K - Dec 19 Calex Electronics Limited PO Box 2, Leighton Buzzard, Bedfordshire, England LU7 4AZ Tel: +44 (0)1525 373178 | mail@calex.co.uk | www.calex.co.uk...