Dwyer Instruments' Series 644 Industrial Pressure Transmitter features an accuracy of ±0.05% FS RSS
Dwyer Instruments' Series 644 Industrial Pressure Transmitter is designed for high-accuracy pressure applications. Featuring an accuracy of ±0.05% FS RSS (<±0.25% TEB), the 644 offers multiple measurement options with two output choices (VDC or mA) and ten psig pressure ranges (optional 0 to 15 psia). The all stainless steel Series 644 is available with either a 1/4˝ male NPT or 7/16˝-20 male SAE process connection. Each transmitter is provided with an 11-point NIST-traceable calibration certificate.