The Omega CT585 is a microprocessor-based temperature and pressure recorder that combines real-time digital display with continuous circular chart documentation. This self-contained unit captures dual-parameter data on 200 mm (8″) charts with user-selectable recording intervals of 1, 7, or 32 days, storing peak values for both channels. Front panel controls enable easy selection of display units (psig, °C, or °F) and programming functions, while an integral beeper and relay contact provide alarm notification capabilities.
– Technical Specifications
Temperature Measurement
• Range at sensor: −17 to 49°C (2 to 120°F)
• Compensated range: 0 to 49°C (32 to 120°F)
• Accuracy: ±1°C
• Resolution: 1°C/°F
• Response time: 1 minute (63% step)
• Sensor type: Solid state
Pressure Measurement
• Range: 2 to 100 psig
• Accuracy: 2% FS
• Response time: 1 minute (63% step)
• Hysteresis: 1%
• Repeatability: 1%
• Operable overpressure: 150 psi
• Burst pressure: 250 psi
• Media: Clean, dry air
• Connection: 1/4 MNPT with 91.5 cm (3′) cable
Display & Recording
• LCD: 2½ digit with 13 mm (0.5″) characters
• Chart: 200 mm (8″) circular, double-sided, linear radial scales
• Low battery indicator
Power
• Input: 110 Vac adaptor (220 Vac models available)
• Battery backup: 4 “D” alkaline cells
• DC jack: 8.3 to 12.4 Vdc nominal (1 Amp max)
Physical
• Dimensions: 33.5 × 27.1 × 6.7 cm D (13³⁄₁₆ × 10¹¹⁄₁₆ × 2⁵⁄₈”)
• Weight: ~3.2 kg (7 lb) with batteries
Environmental
• Recorder operating: 0 to 49°C (32 to 120°F), 0 to 90% RH non-condensing
• Remote sensor operating: −17 to 49°C (2 to 120°F)
– Key Features
• Dual simultaneous temperature and pressure recording on single chart
• Three recording interval modes (1, 7, 32 days) for application flexibility
• Peak (min/max) value memory for both parameters
• Switchable display units and audible alarm with relay contact closure
• Detachable transducer with extension cable for remote monitoring
• Solid-state sensor materials (polyester, silicon, fluorosilicone, Buna-N)
– Typical Applications
HVAC system monitoring, compressed air distribution verification, refrigeration cycle documentation, industrial process control, and environmental chamber validation where simultaneous temperature and pressure trending is required.
– Compatibility & Integration
Standard relay contact output enables integration with building management systems and alarm networks. Voltage signal input adaptor provides flexibility for alternative sensor inputs. Chart pens and wall-mount hardware included.
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