This economically-priced Standard Platinum Resistance Thermometer, Model 909, is the workhorse of calibration laboratories all over the world. The wide temperature ranges and economic pricing make this thermometer ideal for the secondary laboratory.
The 909Q has a quartz sheath while the 909L and 909H have metal sheaths. Three thermometer lengths are available, standard length 480mm, extra length 550mm or maximum length 600mm.