Digital Temperature Controller/Indicator

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Digital Temperature Controller/Indicator

Product catalog summary

Specifications:

Input: Supports Thermocouple (Type J, K) and RTD (3-wires PT 100 ohms, DIN or JIS). Accuracy is ±1% of span with cold junction compensation of ±0.1°C/°C.
Rejection: RTD lead resistance rejection is calculated as (0.1°C - 0.025% of PV reading) per ohm.
Protection: Sensor break protection is upscale with a maximum external resistance of 100 ohms.
Rejection Rates: Normal mode rejection is 60 dB, and common mode rejection is 120 dB.
Sample Rate: 3 times per 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, and 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-digit or 4-digit switch with manual reset adjustable to 2.6% of span (BTC-905 only).
Resolution: 1 LSD (Least Significant Digit).
Accuracy: ±1% of span.
Repeatability: ±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.
Consumption: Less than 5VA.

Environmental & 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-905: 190 grams, BTC-900: 140 grams.
Dimension: 48(W)X48(H)X86mm (depth behind panel).
Panel Cutout: 45 X 45mm.

Features:

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

Catalog excerpts

Digital Temperature Controller/Indicator-1

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 Consumption: Less than 5VA INPUT Thermocouple (T/C): Type J, K ENVIRONMENTAL & PHYSICAL Range : See ordering information Cold Junction Compensatin : ±0.1°C / °C Rejection of RTD Lead Resistance = Sensor Break Protection : Upscale External Resistance : 100 ohms max. Dimension: 48(W)X48(H)X86mm (depth behind panel) Normal Mode Rejection : 60 dB

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