The Labfacility L300 Pt100 temperature alarm / on-off controller can be used in conjunction with a PC to provide accurate monitoring and alarm or on-off control of up to 8- zones simultaneously. It can also be used as a stand-alone instrument without the need for a PC. The PC software supplied with the instrument allows control, configuration, measurement, logging, charting, alarm & relay configuration and calibration functions via a PC. The in-built self-calibration facility of Pt100 ranges is simple and uses plug-in precision resistors.
Farnell order number: 2770798
L300PT - Controller, Temperature Alarm, On - Off, PT100, 8 Zones, USB InterfaceL300PT - Controller, Temperature Alarm, On - Off, PT100, 8 Zones, USB Interface
| General Description | Built-in display for selected channel or all channels auto-scrolling. PC software included for remote control and measure, logging, configuration and calibration. 8 x configurable change-over relays 10A/250V. Simple operation. On-board memory 512 sets of readings |
| Input / Ranges | Pt100 to IEC751, 3 wire -200°C to 850°C |
| Linearisation Conformity | ±0.05°C |
| User Interface | Front panel keys for selecting channel number for display or auto-scan selection; front panel keys for relay configuration and alarm parameters. 8 x LED indicators for relay actuation |
| Self Calibration | User facility incorporated. The instrument auto-calibrates on every A/D cycle |
| Power Supply | 6Vdc (5.5-9.0V) via universal mains adaptor (supplied) 120-250V 50/60Hz |
| Accessories | Supplied as standard on CD-ROM Remote control & measure: - Log readings to file Download to PC Logging, charting, alarm configuration and calibration |
| Accuracy | better than ±0.05°C ±0.1% of range |
Applications
Food preparation - Storage facilities - Technical educational establishments - Environmental - R&D - Heating & ventilation setup - Building & energy management - Instrumentation laboratories -
Experimentation - Refrigeration/freezer plant monitoring - Museums and Galleries
- Low cost – high performance
- USB PC interface
- 8 Pt100 (3 wire) inputs
- Built-in display for selected channel or all channels auto-scrolling
- Resolution 0.1°C on display, 0.01°C in software
- Self-calibration feature
- Select °C / °F
- PC software included for remote control and measure, logging, configuration and calibration
- 8 x configurable change-over relays 10A/250V
- Simple operation
- CE marked
- RoHS compliant
Specifications
Specification at an ambient temperature of 20°C Measurement
Input / Ranges
Pt100 to IEC751, 3 wire -200°C to 850°C Note: all inputs are non-isolated and sensors must be of insulated construction.
Accuracy
Linearisation ±0.05°C
Pt100 range better than ±0.05°C ±0.1% of range
Zero drift ±0.01 % of span per °C
Span drift ±0.01 % of span per °C
Display LCD, backlight
Display resolution Pt100 range 0.01°C
Indication Channel No., measured temperature
(°C or °F)
Sensor open circuit Upscale indication
detection & indication
Temperature
Alarm/Control
Alarm modes High / Low / Band/ control
Relay contacts x3 normally open */common/ normally closed * The contact position when the relay is de-energised Rated 1 0A/250V, resistive load. Relays ( 1to 8) can be assigned to any input and polarity (normal or Inverse) selected
User interface Front panel keys for selecting channel number for display or auto-scan selection; front panel keys for relay configuration and alarm parameters. 8 x LED indicators for relay actuation.
Storage temperature -20°C to 70°C
Display LCD with backlight
Input Terminations 8 x Pt100, terminal blocks
Relay Terminations 4 x 6-way connector
PC Interface USB
Power supply 6Vdc (5.5-9.0V) via universal mains adaptor (supplied) 1 20-250V 50/60Hz
Logging interval 5 seconds to 1 hour
On-board memory 512 sets of readings
PC software Supplied as standard on CD-ROM Remote control & measure: - Log readings to file - Download to PC - Logging, charting, alarm configuration and calibration
Standard accessories The L300 is supplied with a power supply adaptor, USB lead, PC software, and instruction manual (on CD).
L300PT - Controller, Temperature Alarm, On - Off, PT100, 8 Zones, USB InterfaceL300PT - Controller, Temperature Alarm, On - Off, PT100, 8 Zones, USB Interface
 | L300 Datasheet.pdf |