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Digital thermometer
Type: 305P
This instrument is a portable 3½ digit, compact-sized digital thermometer designed to use external K-type thermocouple as temperature sensor.
Temperature indication follows National Bureau of Standards and IEC 584 temperature/voltage tables for Ktype thermocouples. One K-type thermocouple is supplied with the thermometer.
- Suitable for use with thermocouple type K
- Hand held with moulded rubber holster and wrist strap
- ±0.1°C/°F or 1°C/°F auto ranging resolution
- Accuracy: -50°C to 999°C ±0.3% of reading +1°C, 1000°C to 1300°C ±0.5% of reading +1°C
- 14mm high digits in LCD display
- Offset adjustment
- Weight 300g
- Power supply: 9V battery (supplied)
Electrical specification
Temperature Scale: Celsius or Fahrenheit user-selectable
Measurement Range: -50°C to 1300°C, (-58°F to 2000°F)
Resolution: 1°C or 1°F, 0.1°C or 0.1°F
Accuracy: Accuracy is specified for operating temperatures over the range of 18°C to 28°C (64°F to 82°F), for 1 year, not including thermocouple error.
±(0.3% rdg+1°C) -50°C to 1000°C
±(0.5% rdg+1°C) 1000°C to 1300°C
±(0.3% rdg+2°F) -58°F to 2000°F
Temperature Coefficient: 0.1x( specified accuracy ) per °C . ( 0°C to 18°C , 28°C to 50°C ).
Input Protection: 60V dc or 24V rms ac maximum input voltage on any combination of input pins.
Reading Rate: 2.5 times per second.
Input Connector: Accepts standard miniature therm ocouple connectors (flat blades spaced 7.9mm,center to center).
Environmetal
Ambient Operation Range: 0°C to 50°C, (32°F to 122°F)
Storage Temperature: -20°C to 60°C, (-4°F to 140°F)
Relative Humidity:
0% to 80% (0°C to 35°C) (32°F to 95°F)
0% to 70% (35°C to 50°C) (95°F to 122°F)
General
Display: 3½ digit liquid crystal display (LCD) with maximum reading of 1999
Battery: Standard 9V battery (NEDA 1604,IEC 6F22)
Battery Life: 100 hours typical with carbon zinc battery, 200 hours typical with alkaline battery
Dimensions: 184mm (H) x 62mm (W) x35mm (D)
Weight: 10.6oz (300g) including holster
Supplied Probe: 4-foot type “K” thermocouple bead probe (teflon tape insulated). Maximum insulation temperature 260°C (500°F).
