Brainchild BTC-901 And BTC-902 Analog Temperature Controller

This analog temperature controller is used for simple applications with on/off or P control, without deviation indication.

Feature

• • Build-in Laser Trim ASIC
  • Easy to change the range
  • ON-OFF or time proportional selectable
  • Compact, only 86mm in depth
  • A wide selection of control output option
  • A wide selection of ranges

• Sensor break protection
• Low cost
• Safety: UL, CSA
• EMC, LVD: CE

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Specification

Input

• Thermocouple (T/C): Type J, K
• RTD: 3-wires PT 100 ohms, DIN or JIS
• Range: See ordering information
• Accuracy: ±2 %of span
• Cold Junction Compensation: ±0.1°C / 1°C
• Rejection of RTD Lead Resistance = (0.1°C - 0.025% of PV reading) / ohm
• Sensor Break Protection: Upscale
• External Resistance: 100 ohms max.
• Normal Mode Rejection : 60 dB
• Common Mode Rejection : 120 dB
• Sample Rate : 3 times / second

Control

• Proportional Band: 2.2% of span
• ON-OFF Hysteresis: 1 % of span
• Cycle Time: 20 seconds for relay output, 1 second for pulsed voltage output, 0.02 second for linear current or voltage output.
• Control Action : Reverse action

Output

• Control : Relay 5A / 240V max. resistive load
  • Pulsed Voltage: 20mA / 32VDC max.
  • Current: 4-20mA, 0-20mA, max. load 500 ohms
  • Voltage: 0- 10V, min. load 500k ohms

Adjustment

• Setpoint: Single turn wire wound potentiometer
• Resolution of setpoint: 0.2% of span
• Accuracy of setpoint: ±2%of span
• Repeatability of setpoint: ±0.1 span

Indication

• Process Indicator :
  • BTC-902: HI/LO LED indicators
  • BTC-901: None
• Status Indicator: ON (red) LED Lamp, OFF (green) LED Lamp

Power

• Rating: 100-130VAC or 200-240VAC, 50/60Hz
• Consumption: Less than 5VA

Environmental and Physical

• Operating Temperature: 0-50°C
• Humidity : 0-90% RH (non-condensing)
• Insulation: 20M ohms min. (500VDC)
• Breakdown : AC 2000V, 50 / 60Hz, 1 minute
• Vibration: 10-55Hz. amplitude 1 mm
• Shock : 200m/s2 (20g)
• Weight:
  • BTC-901: 240 grams,
  • BTC-902: 270 grams
• Dimension: 48(W)X48(H)X86mm (depth behind the panel)
• Panel cutout: 45 X 45mm