Bộ điều khiển BTC-803 Brainchild

This analog controller is used for simple applications with on/off or P control, with deviation indication.

Features

• Build-in Laser Trim ASIC
• Easy to change range
• ON-OFFor time proportional selectable
• Compact, only 65mm in depth
• Wide selection of control output option
• Wide selection of ranges
• Sensor break protection
• Alarm option
• Low Cost

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 (BTC-803),  ±1% of span (BTC-805)
Cold Junction Compensatin	±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
Proportion 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