Model AP1200-1220 Thermocouple Input Limit Alarm

Brand: Eurotherm
Does not ship to United States

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)
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