Digital Temperature Controller/Indicator0 pages

1/16 DIN Digital Setting Temperature Controller/Indicator BTC-905, BTC-900
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
Set point: 3-dight or 4-dight switch

FEATURES
• Build-in Laser Trim ASIC
• Easy to change range
• ON-OFF or time proportional selectable
• Compact, only 86mm in depth
• Wide selection of control output option
• Wide selection of ranges
• Sensor break protection
• Low cost
• Safety: UL, CSA
• EMC, LVD: CE

Manual Reset: Adjustable 2.6% of span (BTC-905 only)
Resolution of set point: 1 LSD (Least Significant Digit)
Accuracy of set point: ±1 %of span
Repeatability of set point: ±1 LSD

INDICATION
Process Indicator: 3-1 / 2 digit, 0.4" red LED display
Status Indicator: Red LED Lamp

POWER
Rating: 90-240VAC, 50Hz / 60Hz

SPECIFICATION

Consumption: Less than 5VA

INPUT
Thermocouple (T/C): Type J, K

ENVIRONMENTAL & PHYSICAL

RTD : 3-wires PT 100 ohms, DIN or JIS

Operating Temperature: 0-50°C

Range : See ordering information

Humidity: 0-90% RH (non-condensing)

Accuracy : ±1 %of span

Insulation: 20M ohms min. (500VDC)

Cold Junction Compensatin : ±0.1°C / °C

Breakdown: AC 2000V, 50 / 60Hz, 1 minute

Rejection of RTD Lead Resistance =

Vibration: 10-55Hz. amplitude 1 mm

( 0.1°C - 0.025% of PV reading) / ohm

Shock: 200m/s2 (20g)

Sensor Break Protection : Upscale

Weight: BTC-905: 190 grams, BTC-900: 140 grams

External Resistance : 100 ohms max.

Dimension: 48(W)X48(H)X86mm (depth behind panel)

Normal Mode Rejection : 60 dB

Panel cutout: 45 X 45mm

5