Omega DP26-RTD, User Manual

Page: 57 / 64

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
49