EHK 500 - Heatsenze.com
Contents
1. Hygrometry probe Tight chamber for calibration RS 232 cable Calibration certificate Transport case EXPORT DEPARTMENT ha Tel 33 1 60 06 69 25 Fax 33 1 60 06 69 29 common mail export kimo fr Clamps for tight chamber m Wall mounting for remote humidity probe m Saturated salt solution for humidity probe Distributed by Probe to calibrate Ref FTang EHK 500 16 11 10 RCS 24 P rigueux 349 282 095 Non contractual document We reserve the right to modify the characteristics of our products without prior notice2. KIMO INSTRUMENTS E Housing features Housing Shock proof in ABS PC with sides made of elastomer HB selon UL 94 176 x 78 x 35 mm IP40 graphic with backlight Display of 1 to 5 parameters 48 x 24 mm elastomer with 4 tkeys and 1 scroll wheel button 400 g E Technical features Power supply Electromagnetical compatibility Communication Connectors Digital output connexion Working temperature Storage temperature Environment Languages HYGROMETRY PROBE Guarantee Accuracy Limits 4 alkaline batteries 1 5 V LR6 EN 61 326 overmolded mini DIN with keying system USB from 0 to 50 C from 0 to 50 C air and neutral gases French English Spanish Portuguese Italian German Dutch EMG Et Ehl k uet ur tud us 1 2 As per Charter 2000 2001 Hygrometers with uet u ur un EMG GAL 2 70 RH between 18 and 28 C normal measurement range ncertainty of calibration 0 55 RH certainty of resolution 0 003 RH ud manufacturing dispersion 0 17 RH Measuring range from 3 to 98 RH Short term drift better than 1 RH year Response time 10 seconds us comparison repeatability 0 11 RH Et temperature coefficient error 0 28 RH Ehl linearity and hysteresis 1 25 RH k coverage factor value 2 RH Technical Data Sheet Pressure Temperature Humidity Air Velocity Airflow Sound level e
3. au youved CE Standard portable instrument e Ranges from 3 to 98 RH and 20 to 80 C e RS 232 communication with classes 200 and 300 humidity transmittter e Tight chamber for calibration e Intuitive menu with scroll wheel button e Ergonomic housing with elastomer protection e Display up to 5 parameters e Display of calibration date E Technical features of the sensor Humidity Measuring range ccceeeeeeeteeeeeees from 3 to 98 RH Measuring units 0 0 0 0 cece RH g kg PCCW AC ucraineana 1 of the reading 1 5 RH Response time of measuring element lt 10 sec from 10 RH to 80 HR V 2m s Resolution 0 00 0 1 RH Sensor type oo ec ccc ceteceeestesseeeeeees Capacitive Fluid Type ou ceecscesssseerssessserseeeeserees air and neutral gases Resistance to gas Temperature Measuring range Measuring unit PRC CUNACY asec ccsencnttocndcsccapinenttieosidteambaeadiat Response time of measuring element RESOU N nonnai a Sensor type Fluid type a e eau saeaetes air and neutral gases from 20 to 80 C ambient temp from 100 to 400 C Pt100 probe C F 2 of the reading 0 1 C tos 9 sec for Var 1 m s 0 1 C Pt 100 class A air and neutral gases All accuracies indicated in this document were stated in laboratory conditions and can be guaranteed for measurements carried out in the same conditions or carried out with calibration compensation E Function
4. er to make it totally tight 4 Connect the tranmitter and the EHK500 with RS232 cable 5 Compare humidity and temperature values of the sensor and the EHK500 6 If values are identical the probe of the sensor is well calibrated 7 If values are different press MEn of the EHK500 Then it will adjust the transmitter from values obtained by the standard probe Reset the offset If you have a transmitter with a keyboard it is possible to back to the initial value of the transmitter displayed value before calibration with EHK500 See part Configuration of class 200 300 transmitters by keyboard of the user manual chapter Measurement configuration in hygrometry Operating principle 1 Loosen the two suffing boxes located at the ends of the chamber 2 Put the probe to calibrate probe of the sensor and the reference probe probe of the EHK500 in the chamber 3 Tighten well the two stuffing boxes to obtain a stable and tight environment 4 The two probes are then in a homogeneous environment Values measured by probes hygrometry and temperature have to be the same Schema Tight chamber Reference probe 7 7 stuffing box YZ7777777 7 7 Stuffing box Mounting Reference probe EHK 500 standard instrument Tight chamber V Sensor Probe to calibrate i E 4 d ANAL p RS 232 N cable Supplied with _J Accessories
5. s Measuring Measurin cue g Accuracy Resolutions units ranges 1 of reading Relative humidity 1098 TRA 44 5 RH arn Absolute humidity glkg Oto 190 gkg 0 1 gikg 2 of readin Wet temperature 20 to 80 C 04 C 3 Pt 100 temperature 100 to 400 C me oe Thermo hygrometer Pt100 thermometer e Hygrometrer relative and absolute humidity Pt100 temperature 2 channels ambient temperature Dewpoint Pt100 e Dynamic delta T temperature e Psychrometer wet and dry temperature relative and absolute humidity enthalpy e Surface dewpoint Dewpoint of contact contact temperature relative humidity ambient temperature Subfunctions Hold min and max values standard printing adjustable auto shut off choice of languages E Tight chamber for calibration Chamber features Body material ccceeeeeen translucent PMMA Chamber length c cece 180 mm Chamber diameter cccccce 38 mm PG 16 stuffing box ccccceeeeen for humidity probe 13 mm Stuffing box material ccceeee polyamide Welgi tea cttecncratitcnncsycttoiunncutconessesieubencast 80 g Environment air and neutral gases E Use To calibrate a humidity sensor follow the following procedure 1 Switch on EHK500 and the transmitter 2 Put the transmitter probe and the reference probe of the EHK500 in the tight chamber 3 Tighten stuffing boxes of the chamb
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