TSURUGA MODEL 481B
Quantity
Thermocouple-Resistance Thermometer
- ¡ö Clear large LED display with high brightness.
- ¡ö 83 mm short case with terminal system
- ¡ö Power supply: AC or DC
- Model Designation
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481B - ¡õ - ¡õ - ¡õ ¢Ù ¢Ú ¢Û ¢ÙMeasuring Input
Thermocouple
Code Type Measuring Range Accuracy¡¡* 01 R 400 to 1600°C ±(0.3% of rdg + 3°C) 02 K 0 to 1200°C ±(0.3% of rdg + 2°C) [0 to 400°C]
±(0.3% of rdg + 3°C) [400 to 1200°C]04 J 0 to 300°C ±(0.3% of rdg + 2°C) 05 T 0 ot 400°C ±(0.3% of rdg + 2°C) Display Red or Green LED (character height 14.2 mm) Linearizer Analog tangential approximation Resolution 1°C Response time Approx. 1.5s External resistance Less than 200 Ω Overload DC ±100 V Resistance Thermometer
Code Type Measuring Range Accuracy * 11 Pt100Ω -100.0 to 199.9°C ±(0.2% of rdg + 0.3°C) [-100.0 to 0°C]
±(0.2% of rdg + 0.2°C) [0 to 199.9°C]Display Red or Green LED (character height 14.2 mm) Resolution 0.1°C Response time Approx. 1.5s External resistance Less than 5 Ω/lead wire. Overload DC ±10 V General Specifications
Sampling rate Approx. 2.5 times/s Input configuration Single ended, floating input A/D conversion Dual Slope Integration System Noise rejection Normal mode £¨NMR£© More than 40 dB
Common mode£¨CMR£© ¡¡More than 110 dB
AC Power source line mixing noise¡¡1000 VWithstand voltage Between input terminal and external case: AC 1500 V for 1min.
Between power source terminals and external case: AC 1500 V for 1min.
Between power source terminals and input terminals: AC 1500 V for 1min.Insulation resistance DC 500 V More than 100 MΩ Power supply AC 100 V
AC 200 V
DC 24 VTolerance of source voltage AC 90 to 132 V
AC 180 to 250 V
DC 24 V ± 10%Power consumption AC power source ... approx. 2 VA
DC 24 V power source ... approx. 70 mAOperating temperature 0 to 50°C Storage temperature -20 to 70°C Weight AC power source models ... approx. 290 g
DC power source models ... approx. 190 g