Temperature Transmitters, I.S. Interfaces
Digital Thermometers


  

805, Digital thermometer

 
This instrument is a 4½ digit, compact-sized portable digital thermometer designed to use external 100Ω Platinum RTD as temperature sensor.

Temperature indication follows Reference Temperature/Resistance Tables (Pt385 for European Curve, Alpha=.00385. Pt3926 for American Curve, Alpha=.003926. Pt3916 for Japan Curve, Alpha=.003916.)
  • * RTD dual input function, built in USB port
  • * Pt3916/Pt3926/Pt385 RTD standard
  • * °C/°F user-selectable
  • * MAX/MIN with elapsed time, AVG, REL, REL, RECALL, Hi RECALL, Lo RECALL, HOLD function, TIME setting, REL setting
  • * Warning beeper with Hi/Lo setting
  • * Resolution 0.1°C to 0.2°F


Electrical specification

Temperature Scale: Celsius or Fahrenheit user-selectable

Measurement Range:

Pt385(100Ω) -200°C to 800°C(-328°F to 1472°F)
Pt3916/Pt3926(100Ω) -200°C to 630°C(-328°F to 1166°F)

Resolution:
0.1°C or 0.2°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 RTD probe error.
±(0.05%rdg + 0.2°C) on °C scale
±(0.05%rdg + 0.4°F) on °F scale

Temperature Coefficient:
0.1 times the applicable accuracy specification per °C from 0°C to 18°C and 28°C to 50°C (32°F to 64°F and 82°F to 122°F).

Input Protection:
24V dc or 24V ac rms maximum input voltage on any combination of input pins. Maximum Differential Common Mode Voltage (Maximum Voltage T1 during measurement): 1volt.

Input Connector:
Accepts for 3 wires or 4 wires Mini-Din plug and the meter is designed for standard.

Display:
4½ digit liquid crystal display (LCD) with maximum reading of 19999.

Overload:
“----.-” or “OL” is display.

Battery:
1.5V x 4 PCS (SIZE AAA) UM-4 R03.

Battery Life:
200 hours typical with carbon zinc battery.

Reading Rate:
1 time per second.

Auto power off:
30 minutes, press power key to resume operation.

Dimensions:
160mm(H) x83mm(W) x 38mm(D).

Weight:
Approx. 260g including batteries.

Ambient Operating Ranges:
0°C to 50°C (32°F to 122°F) <70% R.H.

Storage Temperature:
-20°C to 60°C (-4°F to 140°F) <80% R.H.
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