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Instruction Manual

HI 8666

RH/°C Transmitter

This Instrument is in Compliance with the CE Directives

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Summary of Contents for HI 8666

Page 1: ...Instruction Manual HI 8666 RH C Transmitter This Instrument is in Compliance with the CE Directives w w w h a n n a i n s t c o m...

Page 2: ...of the instrument as well as a precise idea of its versatility in a wide range of applications This instrument is in compliance with direc tives EN 50081 1 and EN 50082 1 Preliminary Examination 1 Ge...

Page 3: ...ent transmits electrically isolated out puts that are linear and proportional to RH and C It can be surface or panel mounted and used with a detachable connector The power must be supplied from an ext...

Page 4: ...2 FUNCTIONAL DESCRIPTION 1 2 3 1 Sintered Cap 2 Relative Humidity and Temperature Sen sors 3 11 Pin Connector...

Page 5: ...to 40 C C 1 of span Typical EMC RH 2 5 RH 0 4 mA Deviation C 1 C 0 2 mA Output Signal 4 to 20 mA Response Time 6 without sintered filter 1 with filter Power Supply 12 to 24V externally supplied Maxim...

Page 6: ...CAL relay socket The terminals are 1 C Positive Terminal 9 C Negative Terminal 4 RH Positive Terminal 7 RH Negative Terminal Terminals 2 3 5 6 8 10 and 11 are not connected See the following figures f...

Page 7: ...d receivers Common positive 3 Passive and not isolated receivers Common negative RH Transmitter 4 7 1 9 Power Supply C Receiver RH Receiver C Transmitter RH Transmitter 7 4 9 1 Power Supply C Receiver...

Page 8: ...6 4 Active receivers both isolated or not RH Transmitter C Transmitter RH Receiver C Receiver 4 7 1 9...

Page 9: ...t includes two thermally isolated chambers each one equipped with a threaded cap and three bottles containing the appropriate precalibrated saturated salts to produce a known RH value This calibration...

Page 10: ...present in the air causing the solution to expand in volume and to overflow from the container Pour approximately 12 cc of distilled water into the other chamber marked RH 75 4 Add all the content of...

Page 11: ...ot to dip it into the liquid Wait for the measurement to stabilize this takes ap proximately 4 hours Look at the multimeter display the read ing should be 4 00 mA representing the theoretical chamber...

Page 12: ...tical chamber value of 75 4 RH The relative humidity calibration check ing procedure is complete If the therotical values are not within 1 contact your dealer or your closest Hanna Service Center for...

Page 13: ...for the temperature to stabilize Using a NIST certified thermometer as a reference e g ChecktempC N verify that the ammeter reading is matching the tem perature e g 13 00 mA for 25 C All temperature...

Page 14: ...10 6 256 14 20 6 272 14 30 6 288 14 40 6 304 14 50 6 320 14 60 6 336 14 70 6 352 14 80 6 368 14 90 6 384 15 00 6 400 15 10 6 416 15 20 6 432 15 30 6 448 15 40 6 464 15 50 6 480 15 60 6 496 15 70 6 512...

Page 15: ...2 44 00 11 04 44 10 11 05 44 20 11 07 44 30 11 08 44 40 11 10 44 50 11 12 44 60 11 13 44 70 11 15 44 80 11 16 44 90 11 18 45 00 11 20 45 10 11 21 45 20 11 23 45 30 11 24 45 40 11 26 45 50 11 28 45 60...

Page 16: ...2 74 00 15 84 74 10 15 85 74 20 15 87 74 30 15 88 74 40 15 90 74 50 15 92 74 60 15 93 74 70 15 95 74 80 15 96 74 90 15 98 75 00 16 00 75 10 16 01 75 20 16 03 75 30 16 04 75 40 16 06 75 50 16 08 75 60...

Page 17: ...0 19 04 94 10 19 05 94 20 19 07 94 30 19 08 94 40 19 10 94 50 19 12 94 60 19 13 94 70 19 15 94 80 19 16 94 90 19 18 95 00 19 20 95 10 19 21 95 20 19 23 95 30 19 24 95 40 19 26 95 50 19 28 95 60 19 29...

Page 18: ...0 6 800 6 9 6 820 5 8 6 840 5 7 6 860 5 6 6 880 5 5 6 900 5 4 6 920 5 3 6 940 5 2 6 960 5 1 6 980 5 0 7 000 4 9 7 020 4 8 7 040 4 7 7 060 4 6 7 080 4 5 7 100 4 4 7 120 4 3 7 140 4 2 7 160 4 1 7 180 4...

Page 19: ...12 78 24 00 12 80 24 10 12 82 24 20 12 84 24 30 12 86 24 40 12 88 24 50 12 90 24 60 12 92 24 70 12 94 24 80 12 96 24 90 12 98 25 00 13 00 25 10 13 02 25 20 13 04 25 30 13 06 25 40 13 08 25 50 13 10 2...

Page 20: ...17 78 49 00 17 80 49 10 17 82 49 20 17 84 49 30 17 86 49 40 17 88 49 50 17 90 49 60 17 92 49 70 17 94 49 80 17 96 49 90 17 98 50 00 18 00 50 10 18 02 50 20 18 04 50 30 18 06 50 40 18 08 50 50 18 10 5...

Page 21: ...ated salts LiCl and NaCl HI 7111 P Spare saturation salts 6 x 15 g bottles of LiCl for low range humidity calibration HI 7121 P Spare saturation salts 6 x 33 g bottles of NaCl for high humidity calibr...

Page 22: ...air is not covered by the warranty you will be notified of the charges incurred If the instrument is to be returned to Hanna Instruments first obtain a Returned Goods Authorization Num ber from the Cu...

Page 23: ...1996 D Volpato Engineering Manager On behalf of Hanna Instruments S r l HI 8666 Recommendations for Users Before using this product make sure that it is entirely suitable for the environment in which...

Page 24: ...MAN8666R1 03 96 PRINTED IN ITALY h t t p w w w h a n n a i n s t c o m...

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