Monitors Differential Pressures Safely
Description
Series 608 differential pressure transmitter offers accuracies of 0.25% and 0.5% on ranges from 0-0.1 in. WC to 0-25 in. WC, including compound ranges. Ultra-thin silicone diaphragm detects deflection down to 1µ and withstands up to 100-psig static pressure. Intrinsically Safe unit has 4-20 ma output. Dwyer Instruments, Inc., Michigan City, IN
Specs
• Service: Clean/dry air and compatible combustible gases (see Agency Approvals for FM ratings). • Wetted Materials: Consult factory. • Accuracy: ±0.5% or ±0.25% full scale. • Stability: ±0.5% F.S./yr. • Pressure Limits: 100 psig (6.89 bar); 15 psid (1.03 bar). • Temperature Limits: -20 to 185°F (-28 to 85°C). • Compensated Temperature Range: 0 to 160°F (-18 to 71°C). • Thermal Effect: 0.5% Accuracy: ±0.02% F.S./°F; 0.25% Accuracy: ±0.01% F.S./°F. • Power Requirements: 12 to 36 VDC (2-wire). • Output Signal: 4 to 20 mA DC. • Zero and Span Adjustments: Potentiometers for zero and span. • Response Time: 250 ms. • Loop Resistance: DC: 0-1045 ohms maximum. • Current Consumption: 4-20 mA. • Electrical Connections: Screw terminals: two 1/2" female NPT conduit. • Process Connections: Two 1/4" female NPT. • Enclosure Rating: NEMA 4X (IP65). • Mounting Orientation: Not position sensitive. • Weight: 2 lb (0.9 kg). • Agency Approvals: FM approved intrinsically safe for use in Class I, Div. 1, Groups A, B, C, D; Class II, Div. 1, Groups E, F, G; Class III, Div. 1 when wire with approved intrinsically safe barrier. Entity parameters: Vmax=36 VDC; Imax=250 mA; C=12 nF; L=0 mH.