- 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
- Safety : UL, cUL
- EMC, LVD : CE
- 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 |
| 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 |
| Alarm |
Relay output, 2A / 240VAC max. resistive load |
| ADJUSTMENT |
|
| Set point |
3-digit or 4-digit switch |
| Alarm |
Deviation alarm, adjustable ±10% of span |
| Manuel Reset |
Adjustable 2.6% of span |
| Resolution of set point |
1 LSD ( Least Significant Digit) |
| Accuracy of set point |
±1%of span |
| Repeatability of set point |
±1 LSD |
|