AR252 Humidity and temperature transducer TECHNICAL DATA (the detailed data can be found in the users instruction) Sensor SHT31 made by Sensirion, an ABS cover (slot width 1mm) and a stainless steel wire mesh (slot width 0.15mm) Measurement range 0100 %RH, -3080 C humidity 2 %RH in the entire measurement range Measurement acurancy temperature 0,3 C in the entire measurement range Hysteresis and stability 0,8 %RH, long-term stability < 0,25 %RH / year Okres pomiarowy 1s AR252 8s (for air flow > 3,6km/h) Response time (63%) standard Display (optional) LCD, 4 digits 10 mm Outputs current (IH, IT) 2 x 420 mA (2P), load R < (U -12) / 22 mA O zas voltage (UH, UT) 2 x 010 V (3P), load I <4,5 mA (R > 2,5 k) O w digital (not separated) RS485, MODBUS-RTU (slave) Power supply for the 420 mA 1236 Vdc (2-wire, 2P) supply from the current loop AR252/L150 for the 010 V 1830 Vdc, current consumption: ~7mA (with and without an LCD) probe on a stainless steel version with RS485 928 Vac or 936 Vdc, current cons.: ~5mA (with and without an LCD) pipe air and neutral gases (do not pour water on the measurement probe) PROGRAMMING Operating conditions standard -3080 C, <100 %RH (no condensation) with an LCD display -2070 C, <100 %RH (no condensation) AR252/LCD AR956 with a display COPYING INSTALLATION DATA na high class digital relative humidity and temperature sensor with a protective 58x94x35 mm Dimensions filter (ABS material as a standard, slot width 1 mm, and steel wire mesh with mesh size of 0.15 mm) Material polycarbonate na probe integrated with the enclosure, external or on a stainless steel pipe 94 58 na current output, 420 mA (2-wire, with power supply from the current loop) a 80 64 voltage output 010 V (3-wire), or an RS485 interface 3 ncalculation of the dew/frost point C , relative humidity g/m (calculations for 35 atmospheric pressure of 1,013 hPa) with possibility to link the calculated values to 9 an analog output 58 ntemperature compensation of humidity measurement, high measurement 45 Probe stability Probe integrated with nprogrammable processing ranges for humidity and temperature integrated the enclosure with the enclosure nan LCD display with a keypad (option) that enables configuration of parameters channel design 45 AR252 AR252/T nconfiguration of parameters with the keypad, through the RS485 or PRG port (programmer AR956 or AR955) and free ARsoft-CFG software that enables quick TERMINAL setting and copying of all configuration parameters nprotection rating IP65 provided by the enclosure which improves reliability of AR252/I operation thanks to high resistance to penetration of water and dust and surface ~1500 I T condensation of steam inside of the device an IP40 probe 1 mA + R o power supply navailable accessory filter with a metal wire mesh to protect the sensor against I 1236 Vdc 2 H mA dust + R o V+ + 3 62 Contents of the package: Available accessories: NOTE: - a transducer - a metal wire mesh filter (mesh size approx. 25 m) The current loop I must ALWAYS be closed H 15 - a user instruction - an AR956 (or AR955) programmer even when it is not in use External - a warranty card - a RS485/USB converter Probe probe AR252/U on a stainless U Ordering method T wit a wire + steel pipe 1 AR252/2 R w V AR252 / o / o / o / o AR252/L150 GND 2 AR252/L250 Probe intsalation method Code U H + 3 radial (standard) - R w V back (to pipe, channel) T ~1500 4 GND Display Code power supply LCD * LCD 1830 Vdc 5 GND without a display - Measurement probe type Code integrated with the enclosure (standard) - 6 V+ + Output Code external with a 1,5m wire* 2 output 420 mA external in an enclosure with a 1,5m wire* I 3 58 AR252/R485 output 010 V U on a stainless steel pipe, 140 mm long* L150 interface RS485 on a stainless steel pipe, 240 mm long* RS485 L250 power supply 1 936 Vdc Order example: * options charged separately 928 Vac 2 Note: for the standard design, only the output type must be stated e.g.: External probe JP1 45 AR252 / I in an enclosure + RS 3 AR252 w/o display, outputs 420mA, radially mounted probe and integrated with the enclosure with a wire AR252 / LCD / U / L150 / T - RS 4 AR252/3 AR252 with a display, analog output 010V, probe on a stainless steel pipe, 140mm long, installed in the back 94 Version 3.0.0 2016-09-30 of the enclosure (for channel installations) APAR - Sales Office, 05-090 Raszyn, ul. Gaczyskiego 6, tel. +48 22 101-27-31, +48 22 853-48-56 email: automatyka apar.pl www.apar.pl 140 lub 240 100 lub 200CALIBRATION CERTIFICATE - DIGITAL HUMIDITY AND TEMPERATURE SENSORS MADE BY SENSIRION