Digital Psychrometer - RH300 External Probe Temperature measurements for differential. •Simultaneous display of %RH, Temperature and Dew Point or Wet Bulb or Probe Temperature. •Calculates T1-T2 differential (Air Temperature minus External Probe Temperature) using optional Probe (TP890) and T2-Dew Point. •Data Hold and auto power off •Includes 2 AAA batteries.   Datasheet Price:  £56.33 (Ex VAT) £66.19 Including VAT at 17.5%
	TP890 Thermistor Temperature Probe for RH300 - £9.49
	Digital Psychrometer - RH305 Kit RH305 kit includes RH300 (As above), external temperature probe, 33% and 75% calibration bottles and carrying case.   Datasheet Price:  £94.30 (Ex VAT) £110.80 Including VAT at 17.5%