Omega DP26-RTD Instrukcja Użytkownika Pobierz pdf (Strona 57)

SECTION 12. SPECIFICATIONS

SIGNAL INPUT

RTD types: DIN (0.00385) type 2,3, or 4 wire

NIST (0.00392) type 2,3, or 4 wire

Lead Resistance for Specified Accuracy:

2 Wire Up to 55 milliohm/lead

3 Wire Up to 10 ohms/lead balanced

4 Wire Up to 20 ohms/total unbalanced

Isolation: Dielectric strength to 2500V transient per 3mm

spacing based on EN 61010 for 260Vrms or dc

working voltage

Noise Rejection: Normal Mode Rejection (NMR) = 60dB

Common Mode Rejection (CMR) = 120dB

Protection: 240 V rms max for voltage input ranges

200 mA for current input ranges

Standard Display: 4-digit, 14-segment LED, 13.8 mm (0.54”)

Symbol: (

-1.9.9.9.

9.9.9.9.

)

ANALOG TO DIGITAL

Technique: Dual slope

Internal resolution: 15 bits

Read rate: 3/seconds for each channel

Polarity: Automatic

ACCURACY AT 25°C

Accuracy: ±0.50°C after 30 minute warm-up

Temperature Stability: 0.04°C/°C

Step response: 1 second to 99% of the final value

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Omega DP26-RTD Instrukcja Użytkownika Strona 57