1535 Relative Humidity Transmitter - Novatech Controls

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!1.2 SPECIFICATIONS – TRANSMITTERModel 1535Range Keyboard setable in the range of :-0–100% volume of water vapour0-100% Relative humidity (RH)0-10,000 g/Kg-50-100 °C Dew pointwith adjustable span and zero.Output4–20 mA DC linearDisplays Various, Refer Section 3.1Alarms Various, Refer Section 3.3.1 & 3.3.2Speed of responseTypically 3 seconds.Accuracyi) In Indirectly Heated Dryersa) With an ambient RH sensor connected: ± 2% RHb) With no ambient RH sensor connected: ± 3% RHii) In Directly Fired Dryersa) With dried reference gas from the process: ± 2% RHb) With the mean process oxygen entered and an actualvariation of 2% oxygen:± 3% RH with ambient RH sensor connected.± 4% RH with no ambient RH sensor connected.Reproduce abilityAmbientRH sensorPower Supply±1% RHLee Integer CH15, 0 –1 VDC = 0 –100% RH(optional if indirectly heated drier or directly heated drierwith reference gas from ambient air)110/240 VAC 50/60 HzSPECIFICATIONS – PROBEModel 1231LengthTemperature RangeProcess ConnectionThermocouple140–1000 mm.100–600°C1.5" BSPT.Type K (for probe heater control. Use a separate thermocouplefor drier temperature measurement).Response Time For indirectly heated & directly fired appliances with fixed oxygen level -(a) with filter on probe 15 seconds(b) with no filter on probe 4 secondsFor directly fired appliances with reference gas cooler (A filter is required onthe probe for this application). 15 secondsTypically less than 4 secondsOperatingTemperature720°C with integral heaterPage 6NOVATECH HUMIDITY TRANSMITTER
!Heater VoltageHead TemperatureReference Gas ConnectionProbe CableProbe LifeReference Gas Fail AlarmReference Gas Flow110 VAC, 1.2 amps150°C max.1/8" NPTF.Supplied with weatherproof connector to specified length,maximum 100 metresTypically 1 –2 years. Low cost refurbishing service available.Piston actuated flow switch type: LPH–125–OALess than 50 c.c./min approx.SPECIFICATIONS – REFERENCE GAS COOLER/DRIERAmbient air cooled -ModelSizeWeightRGC-01300 W x 500 H x 135 D7.5 KgMaximum ambient air temperature 45°CMinimum process moisture content200 g/KgMinium process gas temperature 80°CSPECIFICATIONS – AMBIENT HUMIDITY PROBE(Required for indirectly heated dryers only, for improved accuracy)ModelHumidity RangeTemperatureOutputCH150–100% RH–20 to +90°C0–1 VDC , linearly proportional to 0–100% RHNOVATECH HUMIDITY TRANSMITTER Page 7
Page 3 and 4: !USING THIS MANUALThe Novatech 1535
Page 5: !NOVATECH 1535 HIGH TEMPERATURE,PER
Page 9 and 10: !1.3 PURGE/CALIBRATION PANELSDue to
Page 11 and 12: !1.6 REFERENCE GAS DRIERA cooler is
Page 13 and 14: !FLOWSWITCHSOLENOIDVALVE(NOTE 4)PUM
Page 15 and 16: !1.12 AUTO CALIBRATION CHECKING-PRO
Page 17 and 18: !INSTALLATION &2COMMISSIONINGSECTIO
Page 19 and 20: !Figure 2.2 Probe Heater Safety Int
Page 21 and 22: !2.4 CONNECTING THE PROBE CABLEConn
Page 23 and 24: !2.6 CONNECTING THE REFERENCE GAS (
Page 25 and 26: !2.8 CONNECTING THE ALARMSThe alarm
Page 27 and 28: !2.11 CONNECTING REFERENCE GASA ref
Page 29 and 30: !2.15 REFERENCE GAS FLOW SWITCHEnsu
Page 31 and 32: !2.24 DUST IN THE DRIERThe preferre
Page 33 and 34: !OPERATOR FUNCTIONS (RUN MODE)3.1 D
Page 35 and 36: !3.3.2 SUMMARY OF ALARM RELAYSALARM
Page 37 and 38: !SET-UP MODE SUMMARY4.1 SET-UP MODE
Page 39 and 40: !4. DRIER HEATING Options:TYPE1. In
Page 41 and 42: !13. TIME BETWEEN Set the time betw
Page 43 and 44: !25. PRINTER BAUD RATE Select the c
Page 45 and 46: !TRANSMITTER MAINTENANCE5.1 MAINTEN
Page 47 and 48: !10. SET PROBE A new EMF offset mus
Page 49 and 50: !5.7 BACK-UP BATTERY REPLACEMENTThe
Page 51 and 52: !If the probe tests reveal less tha
Page 53 and 54: !APPENDICES1. PROBE EMF TABLES2. CI
Page 55 and 56: !MILLIVOLT TABLE WITH AIR REFERENCE

1535 Relative Humidity Transmitter - Novatech Controls

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