Описание оборудования | |
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LED temperature display for Pt100 temperature sensor, with 24 VDC supply voltage | |
General specifications | |
Data storage | EEPROM |
Programming | keypad-driven menu |
Functional safety related parameters | |
MTTFd | 540 a |
Mission Time (TM) | 10 a |
Diagnostic Coverage (DC) | 0 % |
Indicators/operating means | |
Type | 5-digit 7-segment LED display, red |
Display value | digit height 8 mm |
Display interval | -1999.9 ... 9999.9 |
Decimal point | 0 to max 1 fractional digit |
Temperature range | Pt100 acc. DINIEC751: -199.9 ... 850 °C (-327.8 ... 1562 °F) Ni100 acc. DIN43760: -60 ... 250 °C (-76 ... 482 °F) |
Resolution | 0.1°C (0.1°F) bzw. 1°C (1°F) |
Refresh cycle of the measured value output | 1 - 2 s-1 |
Reset | manually or external |
Electrical specifications | |
Operating voltage | 10 ... 30 V DC galvanically isolated |
Operating current | max. 40 mA |
Input | |
Suitable sensors | Pt100/Ni100 resistance thermometer, with sensor breakage monitoring |
Signal voltage | Display latch, display hold for current measured value |
Pt 100 range (-200 ... 850 °C) | 0 ... 20 ? 2-wire: programmable 3-/4-wire: no adjustment necessary |
Ni 100-range (-60 ... 250 °C) | 0 ... 20 ? 2-wire: programmable 3-/4-wire: no adjustment necessary |
Current | 1 mA |
Counting frequency | 5 measurements per second |
Linearity error | Pt100 < 0.1% at 20°C ambient temperature Ni100 < 0.2% at 20°C ambient temperature |
Compliance with standards and directives | |
Directive conformity | |
Standard conformity | |
Ambient conditions | |
Ambient temperature | -20 ... 65 °C (-4 ... 149 °F) |
Storage temperature | -25 ... 70 °C (-13 ... 158 °F) |
Relative humidity | ? 85 % (noncondensing) |
Temperature drift | 0.1 K/Kenvironment |
Mechanical specifications | |
Degree of protection | IP65 (front) |
Mass | approx. 45 g |
Dimensions | 48mmx24mmx68.3mm |
8 (029) 555-8-000 | |
8 (044) 555-8-000 | |
8 (017) 255-8-000 |