Page 2 - One Omega Drive, River Bend Technology Centre; OMEGAnet
Servicing North America: USA: One Omega Drive, Box 4047 ISO 9001 Certified Stamford CT 06907-0047Tel: (203) 359-1660 FAX: (203) 359-7700 e-mail: [email protected] Canada: 976 BergarLaval (Quebec) H7L 5A1, CanadaTel: (514) 856-6928 FAX: (514) 856-6886 e-mail: [email protected] For immediate technical or app...
Page 3 - RH/Temperature Transmitter; Section
TABLE OF CONTENTS HX93A, HX93DA SERIES RH/Temperature Transmitter i Section Page 1. General Description .................................................................... 1 2. Unpacking .................................................................................... 1 3. Theory of Operation .....
Page 4 - FIGURES; ii; Figure
FIGURES HX93A, HX93DA SERIESRM/Temperature Transmitter ii Figure Page Figure 1 Basic Transmitter Set-up With Current Loop Output .............................................. 2 Figure 2 Wall Mount Model Dimensions ...................................... 3 Figure 3 Duct Mount And Remote ProbeModel Di...
Page 5 - The OMEGA; Additional Transmitter Models Available; Wall mount RH transmitter (4 to 20 mA Output); continued on next page; NOTE
1 HX93A, HX93DA SERIES RH/Temperature Transmitter 1 1. General Description The OMEGA ® HX93A and HX93DA Series Relative Humidity/ Temperature Transmitter’s provide a linearized and temperaturecompensated output signal of 4 to 20 mA or 0 to 1 Vdc depending uponthe model selected for both relative hum...
Page 6 - Theory of Operation; Figure 1 - Basic Transmitter Set-up With Current Loop Output; continued from page 1
2 HX15AV-W Wall mount “High Ambient Temperature” application RH/Temperature transmitter (dual 0 to 1 Vdc Output) HX15AC-W Wall mount “High Ambient Temperature” application RH/Temperature transmitter (dual 4 to 20 mA Output) HX15AV-D Duct mount “High Ambient Temperature” application RH/Temperature tr...
Page 7 - Complimentary Instruments; Csi32 Series Panel Meters and Controllers; Recommended Accessories; Shielded Transmitter Cable, OMEGA
3 Complimentary Instruments Power Supply, OMEGA ® Part No.: PSU-93 Csi32 Series Panel Meters and Controllers Recommended Accessories Shielded Transmitter Cable, OMEGA ® Part No.: TX4-100 (100 ft) RH Calibration Kit, OMEGA ® Part No.: HX92-CAL 4. Mounting OMEGA’s HX93A and HX93DA transmitter’s are de...
Page 8 - Electrical Connections; TB1 - Relative Humidity; Current Transmitter Wiring Examples; CAUTION
4 5. Electrical Connections All electrical connections and wiring should be performed by a suitablytrained professional only. Models: HX93AC, HX93AC-D, HX93AC-RP1, HX93DAC, HX93DAC-D,HX93DAC-RPI (Current Output) TB1 - Relative Humidity TB2 - Temperature 1. + Power Supply 1. + Power Supply 2. No Conn...
Page 9 - Voltage Transmitter Wiring Examples; Figure 5 - Voltage Transmitter Wiring Example; Relative Humidity Output Calculations
5 Models: HX93AV, HX93AV-D HX93AV-RP1 (Voltage Output) TB1 - Relative Humidity TB2 - Temperature 1. + Power Supply 1. + Power Supply 2. + Output 2. + Output 3. - Power Supply 3. - Power Supply 7. Voltage Transmitter Wiring Examples For voltage output models (0 to 1 Vdc) Figure 5 - Voltage Transmitte...
Page 10 - Output
6 9. RH Measured Vs Output Reading 10. Temperature Output Calculations To calculate Temperature by measuring the current or voltage outputuse the following formulas. For Current output in ºC (-20 to 75ºC) ºC = (Output measured in miliamps – 4) ÷ .1684 - 20 = ºC EXAMPLE: (12.0 mA – 4) ÷ .1684 - 20 = ...
Page 11 - • Humidity Calibration Kit, OMEGA; Figure 6 - HX93AC Calibration Procedure
7 11. Calibration Your transmitter has been factory calibrated to meet or exceed thespecifications outlined in this manual. To maintain originalspecifications it is generally recommended that your transmitter be re-calibrated on an annual basis depending on operating conditions. 12. Calibration Proc...
Page 12 - • RTD Simulator OMEGA; Figure 7 - HX93AC Calibration Procedure
8 13. Calibration Procedure for HX93AC (all styles) Temperature Adjustment Recommended equipment: • RTD Simulator OMEGA ® Model No.: CL510-1 • Handheld Digital Multi-meter, OMEGA ® Model No.: HHM29 • Dc Power Supply, OMEGA ® Model No.: PSU-93 1. Remove enclosure cover2. Connect the power supply and ...
Page 13 - Figure 8 - HX93AV Calibration Procedure
9 14. Calibration Procedure for HX93AV (all styles) Relative Humidity Adjustment Recommended equipment: • Humidity Calibration Kit, OMEGA ® Model No.: HX92-CAL • Handheld Digital Multi-meter, OMEGA ® Model No.: HHM29B • Dc Power Supply, OMEGA ® Model No.: PSU-93 1. Remove enclosure cover.2. Connect ...
Page 14 - • 100 Ohm RTD Simulator OMEGA; Figure 9 - HX93AV Calibration Procedure
10 15. Calibration Procedure for HX93AV (all Styles) Temperature Adjustment Recommended equipment: • 100 Ohm RTD Simulator OMEGA ® Model No.: CL510-1 • Handheld Digital Multi-meter, OMEGA ® Model No.: HHM29 • Dc Power Supply, OMEGA ® Model No.: PSU-93 1. Remove enclosure cover2. Connect the power su...
Page 15 - Figure 10 - Transmitter Lid Rear View
11 15A. Display Scaling for HX93DAC (all styles) Your HX93DA transmitter comes with dual built-in LCD indicators fordisplaying both Humidity and Temperature. Before the meteradjustment or re-scaling can be done the transmitters current outputshould be checked as per the calibration procedure in Sect...
Page 16 - For oF Display; or oC Display; Repeat steps 6, 7, 8 and 9 as necessary until proper readings are
HX93A, HX93DA SERIESRH/Temperature Transmitter 15A 12 Temperature Display Scaling Recommended equipment: • RTD Simulator OMEGA ® Model No.: CL510-1 • Handheld Digital Multi-meter, OMEGA ® Model No.: HHM29 • Dc Power Supply, OMEGA ® Model No.: PSU-93 For ºF Display 1. Remove enclosure cover2. Connect...
Page 17 - Relative Humidity; Thin Film Polymer Capacitor; Temperature
13 16. Maintenance If your Humidity transmitter will be used in a dusty environment, theprotective sensor filter, if clogged, may be removed for cleaning.Unscrew the protective cover and gently blow compressed air throughthe filter screen. A soft brush may also be used to remove dirt particlesfrom t...
Page 18 - General Specifications; Connections; See “Mounting” Section; Weight
14 Max Loop Resistance: Ohms = (V supply – 6 V)/.02 A Sensor Type: 100 Ohm Platinum RT 18. General Specifications Enclosure Housing: Gray Polycarbonate, (IP 65, DIN 40050) NEMA rated up to 13, UL Listed. Connections Cable Strain Relief: Nylon, Liquid-tight with neoprene gland for2.29 to 6.73 mm (.09...
Page 19 - RETURN REQUESTS/INQUIRIES; WARRANTY
WARRANTY/ DISCLAIMER O M E G A E N G I N E E R I N G , I N C . w a r r a n t s t h i s u n i t t o b e f r e e o f d e f e c t s i n m a t e r i a l s a n dworkmanship for a period of 13 months from date of purchase. OMEGA’s Warranty adds an additional one (1) month grace period to the normal one (1...
