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Summary of Contents for Calex PyroMini
- Page 1 PyroMini Series Operator’s Guide...
- Page 2 INTERNATIONAL OPERATOR’S GUIDE DE: Laden Sie die Bedienungsanleitung unter: EN: Download the operator’s guide at: ES: Descargue el manual de instrucciones en: FR: Téléchargez le manuel d’instructions sur: IT: Scarica il manuale di istruzioni su: www.calex.co.uk/pyromini...
- Page 3 The PyroMini Series is a range of miniature non-contact infrared temperature sensors with separate electronics modules. All models have an adjustable emissivity setting and are capable of measuring a wide variety of target materials, including food, paper, textiles, plastics, leather, tobacco, pharmaceuticals, chemicals, rubber, coal and asphalt.
- Page 4 Maximum 95% Maximum 95% Maximum 95% non-condensing non-condensing non-condensing CE Marked RoHS Compliant The PyroMini series conforms to EMC Directive EN61326-1:2006 (Electrical equipment for measurement, control and laboratory use – Industrial) as well as industrial standards for electromagnetic immunity and emissions.
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Page 5: Model Numbers
MODEL NUMBERS The following combinations of ambient temperature range, optics, measured temperature range, output and interface are available: Sensing Head Output Operating Temperature Series Field of View Temperature Range Interface Range LT (-20 - 100°C) MT (0 - 250°C) 21 (2:1) HT (0 - 500°C) 151 (15:1) XT (0 - 1000°C) -
Page 6: Field Of View
There is no 11.9 12.5 maximum measurement distance in clean air. Distance: Sensor to object (mm) (PyroMini 2.2 - High Temperature) Distance: Sensor to object (inches) Distance: Sensor to object (inches) 59.1 118.1 59.1 118.1... - Page 7 Fixed (e.g. -MT: 0°C @ 4 mA, 250°C @ 20 mA) -CRT models: 4 to 20 mA output configurable within this range -BRT and -BB models: Digital output, full temperature range (PyroMini 2.2 - High Temperature) 1000 2000 -CB models: Fixed 4 to 20mA output scale (e.g. -MT: 250...
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Page 8: Emissivity Setting
Series Operating Temperature Interface Temperature Range Optics PM2.2 -BRT RS485 PyroMini 2.2 25:1 divergent optics 250°C to 1000°C Modbus output and two alarm relay outputs, with touch screen EMISSIVITY ADJUSTMENT (-CB MODELS) The emissivity setting on -CB models may be adjusted via two rotary switches inside the electronics box. -
Page 9: User Interface
User Interface Default View Temperature View Displays a large indication of the measured temperature. The background turns bright red when an alarm is activated. Setting Temperature Press “°C” to switch to °F and vice versa. The units are changed throughout the interface. Selecting Displayed Temperature Press the temperature display to select which reading is shown: Filtered Temp... -
Page 10: Start/Stop Logging
Lock/Unlock Prevents settings being changed via a four-digit numerical code. The default password is 1234. Change Password Enter, confirm and save a new four-digit code. Start/Stop Logging Manually begins or ends data logging (requires MicroSD Card, available separately). If Scheduled Start is enabled in Settings > Data Logging, then logging cannot be started manually. -
Page 11: Output Processing
Emissivity and Compensation Enter the emissivity of the target. Target emissivity can be determined experimentally, or estimated using an emissivity table. For more information, contact Calex. Enable Reflected Energy Compensation If enabled, compensates for errors caused by reflected energy from hotter or colder objects. -
Page 12: Alarm Settings
4 to 20 mA Output (-CRT models) Set the temperature range limits for the 4 to 20 mA output. Temperature at 4 mA The lower temperature range limit. Temperature at 20 mA The upper temperature range limit. Please note The difference between the temperatures at 4 mA and at 20 mA must be at least 100°C. - Page 13 The PyroMini can be used as a standalone data logger. PyroMini models -CRT and -BRT include a MicroSD card slot for data logging, which can be configured via the touch screen interface. The user can select the sample rate and the number of samples to be taken and schedule the data logging to start at a certain time.
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Page 14: Data Logging Specifications
Modbus address range 1 to 247 USING THE PYROMINI AS A DATA LOGGER 1. Insert a MicroSD card into the holder on the circuit board inside the lid of the electronics module. 2. To retain the date and time when the sensor is switched off, fit a battery to the holder on the circuit board inside the lid. - Page 15 INSTALLATION OF MICROSD CARD AND BATTERY MicroSD Card Battery (use 1 x BR 1225 3V) Data is saved to the MicroSD Card in .csv format. This file format can be opened or imported by spreadsheet software such as Microsoft Excel. A new folder is created on the MicroSD Card for each day that data is logged.
- Page 16 A range of accessories to suit different applications and industrial environments is available. These may be ordered at any time and added on-site. The following accessories are available from Calex: Fixed mounting bracket (see above for dimensions): Allows rotational adjustment in one dimension.
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Page 17: Installation
INSTALLATION The installation process consists of the following stages: Preparation Mechanical installation Electrical installation Please read the following sections thoroughly before proceeding with the installation. PREPARATION Ensure that the sensor is positioned so that it is focused on the target only. DISTANCE AND SPOT SIZE Sensor Target larger... -
Page 18: Electrical Interference
ELECTRICAL INTERFERENCE The PyroMini is tested to industrial standards for electromagnetic compatibility (EMC) as shown in Specifications at the beginning of this manual. To minimise electromagnetic interference or ‘noise’, the sensor should be mounted away from motors, generators and such like. -
Page 19: Electrical Installation
4 to 20 Green White with blue line Brown/Red Blue Sensing head White White Removable screw terminals Grey (PyroMini 2.2 only) -BB and -BRT models Relay outputs 24 V DC (-BRT models) 100 mA Modbus Master Removable screw terminals Sensing head... -
Page 20: Supported Functions
Do not extend or shorten the sensing head cable. The head and electronics module are calibrated as a pair, and modifying the sensing head cable can affect the measurement accuracy. Contact Calex for assistance. The output cable from the electronics module should have an outer diameter between 3.0 and 6.5 mm, with conductors of size 28 to 18 AWG. - Page 21 Sensor identification register Bits 0..19 - Serial number Bits 20..23 - Sensor type (12 = PyroMini, 14 = PyroMini 2.2) Bits 24..26 - Sensor field-of-view For PM-MA : 0 = 2:1, 1 = 15:1, 2 = 30:1 For PM-HA : 0 = 20:1 For PM2.2: 0 = x51-MT, 1 = x51-HT,...
- Page 22 Address Length (words) Description R/W/MW 0x22 Alarm 1 setpoint Minimum -20°C, Maximum 1000°C Minimum 100°C, Maximum 2000°C 0x24 Alarm 1 hysteresis PM: Minimum 0°C, Maximum 1000°C PM2.2: Minimum 0°C, Maximum 1550°C 0x26 Alarm 1 status register R/W/MW Bit 0 – Relay triggered (R) Bit 1 –...
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Page 23: Operation
8-14 microns (PM models) or 2.0-2.6 mi- crons (PM2.2 models). The emissivity setting of the sensor should be adjusted to compensate for the presence of the window. Please contact Calex for more information on using the sensor with a window. - Page 24 Issue E - Mar 2018 Calex Electronics Limited PO Box 2, Leighton Buzzard, Bedfordshire, England LU7 4AZ Tel: +44 (0)1525 373178 Fax: +44 (0)1525 851319 Email: mail@calex.co.uk Online: http://www.calex.co.uk...
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