Sorry, this family of products is no longer available. The recommended replacement product is r740d-high-pressure-capacitance-manometers.
R740C 20-3000 PSIG Baratron® Differential Capacitance Manometers with Trip Relays
R740C 20-3000 PSIG Baratron® Differential Capacitance Manometers with Trip Relays
The R740C High-Pressure Baratron® Gauge Capacitance Transducer has a standard 0-10 VDC analog output signal and two (2) independently-adjusted electromechanical trip relays that can be used to switch external components such as pumps, valves, and other equipment.
Specifications
- TypePressure Transducer
- Sensor TypeIndustrial Capacitance Manometer
- Measurement TypeDifferential
- Full Scale Pressure Ranges20 to 3000 PSI (1.4 to 204 bar)
- Accuracy±1% of Reading
- Resolution±0.01% of Full Scale
- Repeatability±0.1% of Reading
- Analog Output0 to 10 VDC into >10 k Ω load
- Electrical Connector15-pin D-subminiture
- Zero Temperature Coefficient0.02% of Full Scale/°C
- Span Temperature Coefficient0.04% of Reading/°C
- Volume4.7 cc
- Power Requirements±15VDC (± 5%) @ 35 mA (max)
- Factory Default Trip Relay SettingsTrip Relay A energizes below 55% of full-scale range, and Trip Relay B energizes above 55% of full-scale range.
- Relay SpecificationsTwo independently-adjusted DPDT contacts adjustable between 0.5% and 100% of FS. Relays are UL listed and rated at 1.0 amps @ 30 VDC or 0.3 amps @ 30 VAC.
- Weight1.0 lbs (0.4 kg)
- ComplianceCompliant with EMC Directive 2004/108/EC
Compliant with Directive 2002-95-EC
Features
15-pin Type "D" Pin-Outs
| Pin | Description |
|---|---|
| 1 | Relay Contact A, N.O. |
| 2 | Pressure Output |
| 3 | Reserved |
| 4 | Reserved |
| 5 | Power Return |
| 6 | -15 VDC |
| 7 | +15 VDC |
| 8 | Relay Contact A, N.C. |
| 9 | Relay Contact B, N.C. |
| 10 | Trip Point A, Setting |
| 11 | Trip Point B, Setting |
| 12 | Pressure Return |
| 13 | Relay contact B, N.O. |
| 14 | Relay Contact B, Common |
| 15 | Relay contact A, Common |
Accessories
Compatible Cables
| Compare | Description | Drawings, CAD & Specs | Avail. | Price | ||
|---|---|---|---|---|---|---|
 | RCB700S-1-10Manometer Cable, 660 or PR4000 Controllers to 727, 728, 740, 750 Manometers, 10 ft., RoHS, Shielded | |||||
| RCB700S-21-10Manometer Cable, LDM display to 700 and 800 Transducers, HD15, 10 ft., RoHS | |||||
| RCB700S-29-10Manometer Cable, LDM display to 700 and 800 Transducers, Bendix, 10 ft., RoHS | 15 Weeks | ||||
| RCB700S-34-10Manometer Cable, LDM display to 700 and 800 Transducers, DB9, 10 ft., RoHS | 15 Weeks |
Power Supplies and Displays
| Compare | Description | Drawings, CAD & Specs | Avail. | Price | ||
|---|---|---|---|---|---|---|
 | PR4000BF2V2Digital Power Supply, Display, 2 Channel, RS232, ±15VDC, 1.5 Amp | In Stock | ||||
| PR4000BF2V3Digital Power Supply, Display, 2 Channel, RS232, ±24VDC, 1.0 Amp | |||||
| PR4000BF5V2Digital Power Supply, Display, 2 Channel, RS485, ±15VDC, 1.5 Amp | |||||
| PR4000BF5V3Digital Power Supply, Display, 2 Channel, RS485, ±24VDC, 1.0 Amp | |||||
| PR4000BS2V3Digital Power Supply, Display, 1 Channel, RS485, ±24VDC, 1.0 Amp | |||||
| PR4000BS2V2Digital Power Supply, Display, 1 Channel, RS232, ±15VDC, 1.5 Amp | |||||
 | PDR2000AODigital Power Supply, Display, 2 Channels, RS232, ±15 VDC, 0.75 Amp | In Stock |
Resources
Manuals
R740 & R750 Capacitance Transducer Pin-outs(23 kB, PDF)