Brainchild is the largest controller maker in Taiwan, and the only maker of paperless recorder in Taiwan. With good quality and competitive prices, our paperless recorders have been sold over 70 countries in the world. A strong and experienced R&D team allows us to offer customers innovative and state-of-art paperless recorders all the years, including high performance paperless recorder, 18 channel paperless recorder, and paperless chart recorder. It is our philosophy in pursuit of perfection through continuous improvement.

We always keep a close eye on the overall production process ensuring that international norms of manufacturing are ethically followed. High quality 48 x 48 mm controller, BTC-9090 BRAINCHILD ELECTRONIC CO.,LTD. supplies with specification and description particularized listed for your reference.

BTC-9090, 48 x 48 mm controller

Categories  > Temperature Controllers > Established PID controller > 48 x 48 mm controller

48 x 48 mm controller


48 x 48 mm controller


The Fuzzy Logic plus PID microprocessor-based temperature controller, incorporate two bright, easy to read 4-digit LED displays, indicating process value and set point value. The Fuzzy Logic technology enables a process to reach a predetermined set point in the shortest time, with the minimum of overshoot during power-up or external load disturbance.

As a professional and experienced manufacturer, we supply high-performance and quality temperature controllers, which are also called temperature control, electronic temperature control, electronic temperature controller, and PID controller.


  • Full 4 digit display
  • Autotune PID.
  • Input user selectable.
  • 90-240 VAC supply.
  • Ramp rate function.
  • Timer function.
  • SEL function.
  • Optional 4-20 mA input.
  • 4-20 mA control output version.
  • Three level software access.
  • Safety :UL, CSA
  • EMC, LVD : CE

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Thermocouple (T/C): type J, K, T, E, B, R, S, N.
RTD: PT100 ohm RTD (DIN 43760/BS1904 or JIS)
Linear: 4-20, 0-20mA, 0-10V, etc.
Range: User configurable, refer to Table above.
Accuracy: Refer to Table above
Cold Junction Compensation: 0.1°C / °C ambient typical.
Sensor Break Protection: Protection mode configurable.
External Resistance: 100 ohms max.
Normal Mode Rejection: 60dB
Common Mode Rejection: 120dB
Sample Rate: 5 times / second

Proportion Band. 0-100% of SPAN
Rest (Integral): 0-3600 seconds
Rate (Derivative): 0-1000 seconds
Ramp Rate: 0-2000°C / Hour (0-3600?F / Hour)
Dwell: 0-3600 minutes
ON-OFF: With adjustable hysterisis (0-20%of SPAN)
Cycle Time: 0-120 seconds
Control Action: Direct (for cooling) and reverse (for heating)

Process Display:0.4" green LED, 4 digits
Status Indicator:Control out and alarm

Rating: 90-240VAC,50/60Hz
Consumption:Less than 5VA

Operating Temperature: -10 to 50°C
Humidity: 0 to 90% RH (non-codensing)
Insulation: 20M ohms min. (500VDC) Breakdown:AC2000V, 50/60Hz, 1 minute
Vibraton: 10-55Hz, amplitude 1mm
Shock: 200 m/s² (20g) Weight: 110 grams
Dimension:24(H)x48(W)x99mrn (depth behind panel)
Panel cutout: 22 +0.5 x 45 +0.5 mm


BTC-9090 -
  1 2 3 4 5 6 7 8

1 Power Input
4: 90 - 264 VAC
5: 20-32VAC/VDC
9: Other

2 Signal Input
1: 0~5V
3: PT100 DIN
5: TC-J,K,T,E,B,R,S,N
7: 0~20mA
8: 0~10V

3 Range Code
1: Configurable
9: Other

4 Control Mode
3: PID / ON-OFF Control

5 Output 1 Option
0: None
1: Relay rated 3A / 240VAC resistive
2: SSR Drive rated 15mA / 5VDC
3: 4~20mA, linear, max. load 500 ohms (Module OM92-1)
4: 0~20mA, linear, max. load 500 ohms (Module OM92-2)
5: 0-10V linear, min. impedance 500K ohms (Module OM92-3)
9: Other

6 Output 2 Option
0: None

7 Alarm Option
0: None
1: Relay rated 2A / 240VAC resistive
9: Other

8 Communication
0: None
1: RS-485
2: 4-20mA retransmission
3: 0-20mA retransmission
9: Other


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For more details or quotation for 48 x 48 mm controller or any other product of BRAINCHILD ELECTRONIC CO.,LTD., please be free to contact us or leave a message. We await your satisfactory to our products and service.

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