TSURUGA MODEL 4258
Quantity
Temperature Measuring Digital Meter Relay
- ¡ö Easy calibration for scaling
- ¡ö Available analog or BCD output
- ¡ö Relay or open collector for comparison output
- Model Designation
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4258 - ¡õ - ¡õ - ¡õ - ¡õ - ¡õ ¢Ù ¢Ú ¢Û ¢Ü ¢Ý ¢Ù Power supply voltage
Code Power source voltage A AC 100 to 240 V B DC 12 to 24 V ¢ÚData output
Code Data output Tolerable Load resistive Blank - 03 Analog output DC ±1 V More than 200 Ω 04 Analog output DC ±5 V More than 1 kΩ 05 Analog output DC ±10 V More than 2 kΩ 09 Analog output DC 1 to 5 V More than 1 kΩ 23 Analog output DC ±1 mA 0 to 10 kΩ 24 Analog output DC ±5 mA 0 to 2 kΩ 29 Analog output DC 4 to 20 mA 0 to 600 Ω BP BCD output (TTL level positive logic) - BN BCD output (TTL level negative logic) - DN BCD output (transistor output, sink type) - E1 RS-485 - Measuring Input
Thermocouple
Sensor Measuring range Display range Accuracy Over load R 100.0 to 1768.0°C -50.0 to 1800°C ±(0.3% of rdg + 1°C) DC ±10 V K -200.0 to 1372.0°C -270.0 to 1400.0°C E -200.0 to 1000.0°C -270.0 to 1050.0°C J -200.0 to 1200.0°C -210.0 to 1250.0°C T -200.0 to 400.0°C -270.0 to 420.0°C B 600.0 to 1800.0°C -20.0 to 1820.0°C N -200.0 to 1300.0°C -230.0 to 1350.0°C Resistance thermobulb
Sensor Measuring range Display range Accuracy Over load Pt100Ω -200.0 to 850.0°C -200.0 to 870.0°C ±(0.2% of rdg + 0.3digit) DC ±10 V JPt100Ω -200.0 to 645.0°C -200.0 to 660.0°C Basic Specifications
Display Red or Green LED (character height 14.2mm), “-” polarity, with zero-suppress function.
During the measuring mode, the display switches from current value to peak memory, bottom memory,
display amplitude, and current value.Sensor selection Selectable from 9 types of temperature sensor Over-range display Flashing with minimum or maximum value of display range Direction of burnout Flashes at Max. display value. In case of RTD, it is selectable at Max. or Min. display value Response within 1 second or within display cycle, whichever longer Resolution RTD input: 0.1 °C (0.01°C when PT100Ω range 2) External resistance 500Ω Max. for Thermocouple input
5Ω Max. per wire for RTD inputSampling rate Approx. 5 times/s. Display cycle Selectable from 200ms, 400ms, 1s, 2s, 4s, 5s Input method Single ended, floating input A/D conversion ¨S-∑conversion method Noise Rejection Normal mode (NMR) - More than 50 dB.
Common mode (CMR) - More than 110 dB.
Noise through power supply line – 1000 V (at AC voltage power supply)Comparative digit Figure: 4-digit, Pole: 1-digit Comparative method 2-isolated contact, programmable of high/low point (for model HI, GO, and LO)
CPU comparative judgement method (against display value)Judgement Digital switch setting Width of hysteresis 1 - 999, set the same value for 2-comparative output Comparative display LED display, HI(red), GO(green), and LO(yellow) Comparative output Relay contact, 1-SPST Normally Open, 125 V 0.5 A AC, 250 V 0.1 A AC (resistive)
NPN Open collector, Max. DC 30 V 30 mA, Max. 1.6 V saturation voltageHold Hold for the measuring data, comparative output, and data output Reset Default the comparative output Insulation Resistance DC 500 V, More than 100 MΩ Withstand Voltage Input terminals – External case: AC 1500 V each for 1min.
Power supply terminals – External case: AC 1500 V each for 1min.
Power supply terminals - Input and output terminals: AC 500 V each for 1min.Power Supply AC 100 to 200 V (50/60Hz), DC 12 to 24 V Power Consumption Approx. 5 VA at 100 V AC, 7 VA at 200 V AC, 180 mA at 12 V. 90 mA at 24 V DC. Operating Temperature 0 to 50°C Storage Temperature -20 to 70°C Weight Approx. 450 g