Dwyer Instruments DHC-006 Pressure Control 321894-706 What is the difference between

What is the difference between this and the older 0061783

68-inch length to maximize airflow contact and heat distribution

Leak Prevention: Eliminates bypass issues and fluid loss

reducing installation time on the job site

pressure-rated interface for chilled water or hot water monitoring

Dwyer Instruments DHC-006 Pressure Control 321894-706 What is the difference betweenThe Dwyer Instruments DHC 006 Digital Differential Pressure Controller is a high precision instrument engineered for low pressure HVAC automation and cleanroom monitoring. This unit features a piezoresistive sensor capable of measuring ranges up to 2. 5" w. c. with an accuracy of 1% full scale. Contractors rely on the DHC series for its versatility, as it functions as a differential pressure transmitter, a switch, and a digital gauge in a single 1 16