TSURUGA MODEL 3126

Thermocouple, Resistance Thermocouple

• ■ DIN size 24×48 mm Thermometer.
• ■ Available with thermocouple input, Resistance thermometer.
• ■ Available with analog output too.
•  
• Model Designal

• 3126	-	□	-	□	-	□
  		①		②		③

  ①Measuring Input

  Thermocouple (T/C)

  Code	Type of T/C	Measuring Range	Display Range	Accuracy *1
  01	R	100 to 1700°C	-50 to 1750°C	±(0.5% of rdg + 1°C)
  02	K	-100 to 1300°C	-100 to 1350°C
  04	J	0 to 1200°C	-50 to 1250°C
  05	T	-100 to 400°C	－150 to 420°C

  *1 Accuracy:

  Defined at 23 ± 5°C, 45 to 75% RH.

      Temperature coefficient:

  ±300 ppm/°C (Temp. range: 0 to 50°C)
  Calibrated by standard thermal power mV input in compliance with JIS C 1602.

  Standard contact compensation:

  Defined at ±2°C (Temp. range: 0 to 50°C)

  Resistance Thermometer

  Code	Type of sensor	Measuring Range	Display Range	Accuracy　*2
  12	Pt100Ω	-199.9 to 199.9°C	-199.9 to 199.9°C	±(0.2% of rdg + 0.3°C)
  11		-199 to 600°C	-199 to 650°C	±(0.4% of rdg + 1°C)

  *2  Accuracyy:

     Defined at 23 ± 5°C, 45 to 75% RH.

       Temperature coefficient:

  ±200 ppm/°C (Temp. range: 0 to 50°C)
  Calibrated by resistance of standard resistive elements in compliance with JIS C 1604.

  ②Display Color

  Code	Description
  Blank	Red LED
  Ｇ	Green LED

  ③Option

  Code	Input
  Blank	null
  A01	analog output

  General Specifications

  Display	Red or green LED (character height 10 mm) with zero-suppress function.
  Over-range indication	When exceeding the display range, flashes with minimum or maximum value.
  Open circuit of input	Thermocouple: flashing with minimum value Resistance thermometer: flashing with maximum value
  Resolution	Thermocouple: 1°C Resistance thermometer: 1°C or 0.1°C
  External resistance	Thermocouple: Less than 500 Ω Resistance thermometer: Less than 5 Ω/lead wire
  Overload	DC ±3.3 V
  Sampling rate	2.5 times/s
  Input configuration	Single ended, floating input
  A/D conversion	⊿－Σ conversion system
  Noise rejection	Normal mode （NMR)  More than 50dB
  Hold function	Holds measured data and analog output (option). (Not isolated from the input)
  °F indication	°F ＝ °C × 9 / 5 + 32.0
  Withstand voltage	Between input terminals and external case: AC 500 V each for 1min. Between power supply terminals and external case: AC 500 V each for 1min. Between power supply terminals and input terminals: AC 500 V each for 1min.
  Insulation resistance	DC 500 V  More than 100 MΩ
  Power supply	DC 12 to 24 V
  Tolerance of source voltage	DC 9 to 32 V
  Power consumption	DC 12 V … 60 mA DC 24 V … 40 mA
  Operating temperature	0 to 50°C
  Storage temperature	-20 to 70°C
  Weight	Approx. 55 g
  Mounting Method	Snap-in type