Series-685

Vacuum Differential Pressure Transmitter, Adjustable Range, Adjustable Response

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Cost effective and compact device suitable for OEM applications where space, simplicity, and value are key
Single button to zero saves maintenance time
Factory restore to defaults with a long button press
User-adjustable response time provides versatility for many applications

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Series-685

From ^C$ 57.50

Models In Stock

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Data Sheet

Product Overview

Accuracy Detail ≤ ± 0.5% RSS (BFSL), ± 1 Pa, Accuracy specifications are based on measurements at 73°F (23°C)
Applications Clean Rooms, Filter Monitoring, Fluid Measurement and Control
Cable Conduit Length 15 mm
Cable Conduit Length Note 15 mm (across flats)
Cable Conduit Type Cap Nut Conduit
Compliance CE, UKCA
Dial Depth 28 mm
Dial Outer Diameter 66 mm
Display Type N/A
Enclosure Ratings IP54
Long Term Stability ≤ ± 1% RSS/year
Materials ABS, Polyamide
Media Compatibility Air, Argon, Carbon dioxide, Helium, Nitrogen, Non-Corrosive Dry Gases
Mounting Note Panel Mount
Operating Temperature, Max 70 °C
Operating Temperature, Min -20 °C
Measurement Pressure Type Differential
Process Connection Size 6 mm
Process Connection Type Stem
Relative Humidity 0 to 95% RH, non-condensing
Response Time 1 s
Response Time Note Default: 1 s, User Selectable: 200 ms
Sensor Type Piezoresistive Pressure Sensor
Weight 46 g

The Series 685 Differential Pressure Transmitter is used to measure differential pressure and vacuum. The adjustable pressure range and output signal make it the ideal choice for installers and maintenance professionals. It has a user-configurable response time via a jumper and can be mounted in any orientation. Applications include building automation systems, clean room monitoring, valve and flap control, filter monitoring, and air flow control. It has an adjustable pressure range, a single button to zero, and can be reset to factory settings with a long button press. No additional reference pressure sources or separate calibration devices are necessary.