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Model AP1200-1220 Thermocouple Input Limit Alarm
Brand: Eurotherm
The two modes of Thermocouple Input Limit Alarms reflect two styles of output selection:
AP1200-AP1204 Single Hi Trip, (DPDT, 5A)
AP1220 Dual Hi/Lo Trip, (SPDT, 5A)
Features- Provides relay contact closure(s) at a preset thermocouple temperature input level input level
- Exclusive "Dynamic Deadband” prevents false trips
- Temperature alarm/control applications
- Integral cold-junction compensation
- Single or dual setpoint
- AC Line powered (DC optional)
Specifications
Brand
Approvals & Certifications
- CSA
Consumption
- Power Consumption: 2.5 W Typical
- Power Consumption: 4 W, Max.
Deadband
- Limit Differentials: 0.25 to 100 % of Span
Display
- LED Display
Electrical Connectors
- 11-Pin
- 20-Pin
Electrical Contacts
- Normally Closed
- Normally Open
Electrical Rating
- Current Rating (Resistive): 2 A at 240 Vac
- Current Rating (Resistive): 5 A at 120 Vac
- Current Rating (Resistive): 5 A at 28 Vdc
Input
- Input Bias: < 1.5 µA, Including Burn-Out Sense Current
- Input Protection Common Mode: 300 Vac, Max.
- Input Protection Common Mode: Withstands 600 Vdc
- Input Protection Normal Mode: Withstands ± 5 Vdc
Input Impedance
- > 1 Megaohm
Linearity
- Transmitter Output: ± 0.25 % of Span Typical
- Transmitter Output: ± 0.50 % of Span, Max.
Materials of Construction
- Relay Contacts: Silver-Cadmium Oxide
Operating Temperature
- 0° to 60° C (32° to 140° F)
Output
- 4-20 mA
- Transmitter Output Compliance [Option T2 (4-20 mA)]: 10 Vdc
- Transmitter Output Drive [Option T (0-1 V)]: 2 A, Max.
Output Impedence
- Transmitter Output [Option T (0-1 V)]: 50 ohms
- Transmitter Output [Option T2 (4-20 mA)]: > 100 kiloohms
Power
- 120 Vac (± 10 %, 50/400 Hz)
- Available: 240 Vac (± 10 %, 50/400 Hz)
- Optional: 24 Vdc (± 8 V, Inverter Isolated)
Repeatability
- Setpoint: 0.1 % (Constant Temperature)
Response Time
- Dynamic Deadband: 100 milliseconds
- Normal Mode (Analog Filtering): 50 milliseconds
Sensor, Probe Type
- B Thermocouple
- C Thermocouple
- D Thermocouple
- E Thermocouple
- G Thermocouple
- J Thermocouple
- K Thermocouple
- N Thermocouple
- R Thermocouple
- S Thermocouple
- T Thermocouple
- W Thermocouple
- W3 Thermocouple
- W5 Thermocouple
Span - Minimum
- 153° to 1,450° C (275° to 2,610° F)
Stability
- Line Voltage: ± 0.01 %/ %, Max.
- Temperature: ± 0.05 % of Span/°C Typical
- Temperature: ± 0.08 % of Span/°C, Max.
Storage Temperature
- -20° to 85° C (-4° to 185° F)
Switch Type
- Relay Contact (Dual): SPDT Energized at Trip
- Relay Contact (Single): DPDT Deenergized at Trip
Temperature Range
- Thermocouple: -270° to 2,315° C (-454° to 4,200° F)