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668-2 | Differential pressure transmitter | range 0-0.5" w.c. | Dwyer Instruments

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Dwyer Instruments 668-2 Documents

Instruction Manual Series 668 Catalog Page 668 More Info

Overview

Details for 668-2

Dwyer Instruments NCO-668-2 Pressure Transmitter Dwyer Instruments' NCO-668-2 Pressure Transmitter accurately measures pressures ranging from 0 to 0.5 inches of water column (w.c.). This rugged and reliable transmitter is engineered for demanding industrial environments. Its key features include: * Direct mount design eliminates leaks and requires no piping or seals * 4-20 mA output signal for easy integration into control systems * Internal temperature compensation ensures accuracy over a wide temperature range Applications for the NCO-668-2 include: * Monitoring air flow in HVAC systems * Controlling pressure in process lines * Measuring differential pressure in medical equipment Trust Dwyer Instruments, a leading provider of industrial measurement solutions, for your pressure monitoring needs. Our HVAC supply store: Your Trusted Source for Industrial Products At Our HVAC supply store, we offer the best prices and fast shipping on a comprehensive range of industrial products. Contact us today to learn more about the NCO-668-2 Pressure Transmitter and how it can enhance your operations.

Series 668 Differential Pressure Transmitter

Ranges from 0 to 100" w.c., Overpressure Protection to 10 psig, ±1% Accuracy

Our low cost Series 668 Differential Pressure Transmitter is capable of measuring low pressures with a ±1% accuracy - ideally suited for proper building pressurization and air flow control. Transmitters can withstand up to 10 psig overpressure with no damage to the unit. Variable capacitance sensor design provides excellent sensitivity and long-term stability. Compact, lightweight design makes installation simple and easy. Units also feature reverse-polarity protection.

Calibration Option available under Accessories.

Product Applications

Variable air volume systems
HVAC
Building management

Good accuracy at low pressure ranges provides exceptional value for ensuring control and minimizing costly out of specification conditions
High overpressure rating eliminates possible damage to unit reducing unnecessary service time

Specifications

Series: 668 Differential Pressure Transmitter
Category/Type: Pressure
Type: Differential Pressure
Series: 668 Differential Pressure Transmitter
Service: Air and non-conductive gases.
Accuracy: ±1% FS (RSS); (includes non-linearity; hysteresis; and non-repeatability).
Temperature Limits: Operating: 0 to 150°F (-18 to 65°C); Storage: -40 to 185°F (-40 to 85°C).
Pressure Limits: 10 psig (0.69 bar).
Compensated Temperature Range: 0 to 150°F (-18 to 65°C).
Thermal Effects: 0.033% FS/°F (0.18% FS/°C).
Supply Voltage: 12 to 30 VDC.
Output: 4 to 20 mA; 2-wire.
Zero and Span Adjustment: ±1 mA; non-interactive.
Response Time: <60 msec.
Loop Resistance: 0 to 800 Ω.
Electrical Connection: Terminal strip.
Pressure Connection: 3/16" OD fitting for 1/4" ID tubing.
Housing: Fire retardant glass filled polyester.
Weight: 3 oz (85 g).
Agency Approval: CE.