Miltronics 10141-DH500 User Manual Rev 2.7
Contents
1. PACER INSTRUMENT Sm By Miltronics Mfg Inc 95 Krif Road Keene NH 03431 USA Phone 603 352 0187 Fax 603 352 1036 sales pacer instruments usa com TM Miltronics Mfg Sves Inc 95 Krif Road Keene New Hampshire 03431 USA 800 283 1141 603 352 0187 Fax 603 352 1036 sales pacer instruments usa com Wwww pacer instruments usa com Copyright 2013 Miltronics Mfg Svcs Inc DH500 User Manual PN 10141 Miltronics Mfg Svcs Inc Rev 2 7 08 July 2013 www pacer instruments usa com Copyright 2013 Miltronics Mfg Svcs Inc Page 16 of 16 PACER INSTRUMENT Sm By Miltronics Mfg Inc 95 Krif Road Keene NH 03431 USA Phone 603 352 0187 Fax 603 352 1036 sales pacer instruments usa com PACER INSTRUMENTS m Model DA500 HYGRO THERMOMETER User Manual DH500 User Manual PN 10141 Miltronics Mfg Svcs Inc Rev 2 7 08 July 2013 www pacer instruments usa com Copyright 2013 Miltronics Mfg Svcs Inc Page 1 of 16 PACER INSTRUMENT Sm By Miltronics Mfg Inc Phone 603 352 0187 95 Krif Road Fax 603 352 1036 Keene NH 03431 USA sales pacer instruments usa com INTRODUCTION Congratulations on your purchase of a DH500 Digital Thermo Hygrometer You now own one of the most accurate reliable and highly regarded temperature and humidity measurement instruments available today Pacer s model DH500 digital thermo hygrometer is a versat2. Miltronics Mfg Svcs Inc Page 5 of 16 PACER INSTRUMENT Sm By Miltronics Mfg Inc Phone 603 352 0187 95 Krif Road Fax 603 352 1036 Keene NH 03431 USA sales pacer instruments usa com Dimensions Instrument 6 26 Inch 140 mm 1 22 Inch a4 mn S07 neh Farm HTP202 Probe CABLE ATTACHED 5 FEET LONG 1 5 meters TERMINATED WITH CONNECTOR FOR ATTACHING TO INSTRUMENT 925 inch La 6 09 inch l 23 5 mm 133 mm DH500 User Manual PN 10141 Miltronics Mfg Svcs Inc Rev 2 7 08 July 2013 www pacer instruments usa com Copyright 2013 Miltronics Mfg Svcs Inc Page 6 of 16 PACER INSTRUMENT Sm By Miltronics Mfg Inc Phone 603 352 0187 95 Krif Road Fax 603 352 1036 Keene NH 03431 USA sales pacer instruments usa com APPENDIX C ANALOG OUTPUTS IF EQUIPPED If the instrument is equipped with the analog output option there will be a five pin connector on the bottom of the instrument Also an analog output cable will be included with the instrument This cable will have a five pin connector on one end and four tinned wires on the other end The instrument will output a Voltage between 0 and 5 Volts that corresponds to the Temperature and Relative Humidity measured by the instrument The output ranges pin assignments and wire colors are given in the table below Also shown is a block diagram of the analog output circuit Corresponding Wire Analog Output Measurement Eq
3. 3 C 0 2 of reading in C Temperature accuracy examples 0 3 C at 20 C 0 5 F at 68 F Relative Humidity 2 0 RH Dew Point 1 1 C 42 0 F Resolution Temperature 0 1 F or C 1 F below 99 9 F Relative Humidity 0 1 RH Response Time Relative Humidity Up to 90 of change in measured value in 15 seconds Temperature Approx 60 seconds in still air Approx 10 seconds in moving air streams Display 0 5 LCD 4 digits with LED backlight Operating Temp Instrument 32 to 125 F 0 to 50 C HTP202 Probe 4 to 176 F 20 to 80 C Power Supply 3 AA alkaline batteries Battery Check Automatic low battery display Battery Life Approximately 150 hours without backlight DH500 User Manual PN 10141 Miltronics Mfg Svcs Inc Rev 2 7 08 July 2013 www pacer instruments usa com Copyright 2013 Miltronics Mfg Svcs Inc Page 4 of 16 PACER INSTRUMENT Sm By Miltronics Mfg Inc Phone 603 352 0187 95 Krif Road Fax 603 352 1036 Keene NH 03431 USA sales pacer instruments usa com CALIBRATION To maintain your instrument in top working order we recommend that you send it back to us for calibration each year beginning one year after purchase Our NIST Traceable multi point calibration services include ensuring the instrument performs within its accuracy tolerance making any necessary adjustments and inspecting all aspects of the instrument s functionality so that you
4. Inc Phone 603 352 0187 95 Krif Road Fax 603 352 1036 Keene NH 03431 USA sales pacer instruments usa com Press the TEMPERATURE key to display the current temperature of the ambient air as measured by the HTP202 Combination Probe To switch the units between degrees Fahrenheit F and degrees Celsius C press the TEMPERATURE key again Either C or F will be displayed along with the reading Press the DEW POINT key to display the current dew point of the ambient air The value of the dew point is automatically calculated based on the ambient temperature and humidity measured by the HTP202 Combination Probe To switch the units between degrees Fahrenheit F and degrees Celsius C press the DEW POINT key again Either C or F will be displayed along with DEW PT and the reading MAX Press the MAX MIN key to record and display the maximum reading MINJ The maximum reading display will alternate with the letter H displayed with the number 2 which indicates that you re taking readings every two seconds Press the MAX MIN key again to record and hold the minimum reading The minimum reading display will alternate with the letter L displayed with the number 2 To exit MAX MIN mode press any key Howo E Press the HOLD RESET key to freeze the current reading on the A display HOLD is displayed on the LCD and the reading is held Press the HOLD RESET key a second time to clear this mode and return t
5. POINT DEW PT rs C APPENDIX B BATTERY REPLACEMENT REMOVE BATTERY COVER REMOVE TWO SCREWS I Pressing the ON OFF key switches the instrument ON Hold down the key for 2 seconds to switch the unit OFF The unit will automatically power off after 30 minutes without any key presses To disable auto power off hold down the power button during turn on The unit will flash AOFF which means that the auto power off has been disabled The auto power off is re enabled each time the instrument is turned on Press the BACKLIGHT key to turn the LCD backlight on for 30 seconds To turn the backlight on permanently hold the backlight key down for 3 seconds The LCD will flash The backlight is now switched on permanently To switch the backlight off press the backlight key again Press the PERCENT RELATIVE HUMIDITY key to display the percent relative humidity in the ambient air as measured by the HTP202 Combination Probe RH will be displayed along with the O N REPLACE THREE 3 SIZE AA BATTERIES AS SHOWN reading Miltronics Mfg Svcs Inc www pacer instruments usa com Page 7 of 16 DH500 User Manual PN 10141 Rev 2 7 08 July 2013 Copyright 2013 Miltronics Mfg Svcs Inc Miltronics Mfg Svcs Inc www pacer instruments usa com Page 10 of 16 DH500 User Manual PN 10141 Rev 2 7 08 July 2013 Copyright 2013 Miltronics Mfg Svcs Inc PACER INSTRUMENT Sm By Miltronics Mfg
6. ed sent prepaid and insured to Miltronics Mfg Svcs Inc Attn Pacer instruments 95 Krif Road Keene New Hampshire 03431 USA Please include a note with name address telephone number and description of the problem Although we provide assistance on Pacer products both personally and through our literature it is still the total responsibility of the customer to determine the suitability of the product for use in their application This manual is provided by Miltronics Mfg Svcs Inc without any kind of warranty Precautions have been taken in accurately preparing this manual however we neither assume responsibility for any omissions or errors that may appear nor assume liability for any damages that result from the use of the products in accordance with the information contained in the manual DH500 User Manual PN 10141 Miltronics Mfg Svcs Inc Rev 2 7 08 July 2013 www pacer instruments usa com Copyright 2013 Miltronics Mfg Svcs Inc Page 3 of 16 PACER INSTRUMENT Sm By Miltronics Mfg Inc Phone 603 352 0187 95 Krif Road Fax 603 352 1036 Keene NH 03431 USA sales pacer instruments usa com SECTION 1 SPECIFICATIONS Ranges Relative Humidity RH 5 0 to 95 0 RH Temperature using combination HTP202 probe 4 to 176 F 20 to 80 C Temperature using optional RTD probe 148 to 1112 F 100 to 600 C Dew Point Calculated for full range of HTP202 probe Accuracy Temperature 0
7. he unit to normal operation Press the HOLD RESET key while in MIN MAX mode to display BOTH the minimum and maximum readings since the MAX MIN key was pressed Once the HOLD RESET key is pressed while in MAX MIN mode new readings are no longer recorded To return to MAX MIN mode press the HOLD RESET key again DH500 User Manual PN 10141 Miltronics Mfg Svcs Inc Rev 2 7 08 July 2013 www pacer instruments usa com Copyright 2013 Miltronics Mfg Svcs Inc Page 8 of 16 PACER INSTRUMENT Sm By Miltronics Mfg Inc Phone 603 352 0187 95 Krif Road Fax 603 352 1036 Keene NH 03431 USA sales pacer instruments usa com SECTION 3 OPERATIONAL NOTES SUL Out of Range Error If the HTP202 probe is exposed to temperatures or humidity levels outside of its range see Section 1 Specifications the instrument will display FULT This is the out of range error This error will also be displayed if the instrument is turned on without the HTP202 probe attached If the HTP202 probe is stored in a cold environment and is then exposed to a warm humid environment while the probe is still cold condensation will form on the humidity sensor The humidity reading is invalid until the condensation has evaporated completely The temperature sensors will have a faster response time if they are exposed to a moving air stream This is because forced convection will cool or heat the sensors faster than free convection Howe
8. ile instrument for measuring temperature and humidity in various applications such as HVAC indoor air quality studies industrial process control and research DH500 User Manual PN 10141 Miltronics Mfg Svcs Inc Rev 2 7 08 July 2013 www pacer instruments usa com Copyright 2013 Miltronics Mfg Svcs Inc Page 2 of 16 PACER INSTRUMENT Sm By Miltronics Mfg Inc Phone 603 352 0187 95 Krif Road Fax 603 352 1036 Keene NH 03431 USA sales pacer instruments usa com Notes DH500 User Manual PN 10141 Miltronics Mfg Svcs Inc Rev 2 7 08 July 2013 www pacer instruments usa com Copyright 2013 Miltronics Mfg Svcs Inc Page 15 of 16 PACER INSTRUMENT Sm By Miltronics Mfg Inc Phone 603 352 0187 95 Krif Road Fax 603 352 1036 Keene NH 03431 USA sales pacer instruments usa com Notes DH500 User Manual PN 10141 Miltronics Mfg Svcs Inc Rev 2 7 08 July 2013 www pacer instruments usa com Copyright 2013 Miltronics Mfg Svcs Inc Page 14 of 16 PACER INSTRUMENT Sm By Miltronics Mfg Inc Phone 603 352 0187 95 Krif Road Fax 603 352 1036 Keene NH 03431 USA sales pacer instruments usa com Warranty This product is fully warranted against defective materials and or workmanship for a period of one year after purchase provided it was not improperly used For your protection please use this product as soon as possible If returned it must be securely wrapp
9. ive Rubber Boot and Splash Proof Seal P N 10227 on the LCD display e USB communications P N 10223 gt With the additional error associated with the analog output voltage the e RS232 communications P N 10224 effective accuracy of the analog output for this air velocity measurement e Analog 0 5 Volt output P N 10222 will be 2 of reading 1 digit 11 FPM Additional Probe Options Available Custom Analog Voltage Outputs are also available contact Pacer for details e Immersion RTD temperature probe P N PT211 e Air RTD temperature probe P N PT212 e Surface RTD temperature probe P N PT213 Analog Output circuit block diagram and connector pin assignment Penetration RTD temperature probe P N PT216 Included e 1 DH500 Instrument Temperature e 1 HTP202 combination RH temperature probe Ana lag 390 Ohm 2 Voltage e 3 Size AA 1 5 V alkaline batteries SANA e 1 Hard shell carrying case with foam liner e 1 DH500 Operation Manual RH e an Analog 390 Oh ANALOG OUTPUT CONNECTOR vlog ee PINOUT DIAGRAM utpu j Mating Cable Connector Binder Part No 99 0413 00 05 ns _________________ T_T _________ DH500 User Manual PN 10141 Miltronics Mfg Svcs Inc DH500 User Manual PN 10141 Miltronics Mfg Svcs Inc Rev 2 7 08 July 2013 www pacer instruments usa com Rev 2 7 08 July 2013 www pacer instruments usa com Copyright 2013 Miltronics Mfg Svcs Inc Page 12 of 16 Copyright 2013
10. ll have another year of dependable service Calibration also includes a complimentary firmware upgrade so that you know you ll have the latest advances in accuracy and reliability in your instrument Additional points other than our standard calibration are also available from the factory We can offer precise calibration tailored to your specific measurement needs using our state of the art facilities and calibration equipment Please contact us or visit our website for the latest information on calibrating your instrument DH500 User Manual PN 10141 Miltronics Mfg Svcs Inc Rev 2 7 08 July 2013 www pacer instruments usa com Copyright 2013 Miltronics Mfg Svcs Inc Page 13 of 16 PACER PACER INSTRUMENT Sm INSTRUMENT Sm By Miltronics Mfg Inc Phone 603 352 0187 By Miltronics Mfg Inc Phone 603 352 0187 95 Krif Road Fax 603 352 1036 95 Krif Road Fax 603 352 1036 Keene NH 03431 USA sales pacer instruments usa com Keene NH 03431 USA sales pacer instruments usa com A e E ESE Note When using analog outputs there is an additional 1 error in the analog output voltage This is in addition to the normal measurement error gt For example an air velocity reading of 500 FPM would normally have an Instrument Options Available must be factory installed accuracy of 1 of reading 1 digit 46 FPM when the data is viewed e Protect
11. uation to convert from Color Pin Function Voltage Range Range Volts V to Measurement Value BK 1 Ground N A NA NA Grn 2 crj s Relative Humidity 0 to 5 Volts 0 to 100 RH Relative Humidity 20xV 0 to 5 Volts 20 C to 80 C Temperature C 20xV 20 To convert from Volts to Percent Relative Humidity RH multiply by 20 gt For example an analog output of 3 722 Volts on the gray wire means that the instrument is measuring a relative humidity of 74 44 RH gt 3 722 Volts x 20 74 44 RH To convert from Volts to Temperature in degrees Celsius C multiply by 20 and subtract 20 gt For example an analog output of 3 458 Volts on the white wire means that the instrument is measuring a temperature of 49 16 C gt 3 458 Volts x 20 20 49 16 C DH500 User Manual PN 10141 Miltronics Mfg Svcs Inc Rev 2 7 08 July 2013 www pacer instruments usa com Copyright 2013 Miltronics Mfg Svcs Inc Page 11 of 16 INSTRUMENT Sm Phone 603 352 0187 Fax 603 352 1036 sales pacer instruments usa com By Miltronics Mfg Inc PACER INSTRUMENT Sm Phone 603 352 0187 Fax 603 352 1036 95 Krif Road sales pacer instruments usa com Keene NH 03431 USA SECTION 2 SWITCH FUNCTIONS By Miltronics Mfg Inc 95 Krif Road Keene NH 03431 USA APPENDIX A LCD DISPLAY SYMBOLS LOW RELATIVE DISPLAY BATTERY HUMIDITY HOLD DEGREES CELCIUS DEGREES FAHRENHEIT DEW
12. ver the humidity sensor is best used at flow rates lower than 20 liters per minute or 0 71 cubic feet per minute based on the sensor manufacturer s recommendations T_T _________ DH500 User Manual PN 10141 Miltronics Mfg Svcs Inc Rev 2 7 08 July 2013 www pacer instruments usa com Copyright 2013 Miltronics Mfg Svcs Inc Page 9 of 16
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