1535 Relative Humidity Transmitter - Novatech Controls

!USING THIS MANUALThe Novatech 1535 Humidity Transmitter has a variety of user-selectable functions.They are simple to use because each selection is menu driven. For options you are not sure about, read themanual on that particular item.Please read the safety information below and the ‘Installation’ section, before connecting power to thetransmitter.CAUTION FOR DIRECT FIRED DRYERSCAUTION1The sensing probe is heated to above 700°C and can be a source of ignition. With direct fixed dryers, raw fuelleaks can occur during burner shutdown, the transmitter has an interlocking relay which removes power from theprobe heater when the main fuel shut-off valve power is off. If this configuration does not suit or if it is possible forraw fuel to come into contact with a hot oxygen probe then the Model 1535 transmitter with its heated probe may beunsuitable for your application.Also read the probe heater interlock caution in section 5.5.10.CAUTION2The probe heater is supplied with 110 VAC at 1 Amp (cold). This supply has electrical shock danger tomaintenance personnel. Always isolate the transmitter before working with the probe. For maximum safety the heatersupply should be transformer isolated.NOVATECH HUMIDITY TRANSMITTER Page 3