Spectrum Controls 1794sc-IRT8I User Manual
Page 47
![background image](/manuals/742146/47/background.png)
Appendix A: Module Specifications
A-3
User's Manual Pub. 0300242‐01 Rev. A
±50 mV range
±20uV
±35uV
±10uV
±100 mV range
±40uV
±60uV
±13uV
Resistance Accuracy
with 4.17 Hz filter
Accuracy
Limit At
°25C
Accuracy
Limit At 0-
°55C
Repeatability
Limit
At °25C & 4.17
Hz filter
0-150 ohms range
±0.15
ohms ±0.25
ohms
±10
milliohms
0-1000 ohms range
±1.0 ohms ±2.0 ohms
±100 milliohms
0-3000 ohms range
±1.5 ohms ±2.5 ohms
±100 milliohms
RTD Accuracy
With 4.17 Hz filters
Accuracy
°C
Limit At
°25C
Accuracy
°C
Limit At
0°55C
Repeatability
Limit
At °25C & 4.17
Hz filter
Platinum 385 (100, 200, 500 and 1000
ohms) (IEC751 1983, Amend 2 1995;
JISC 1604 1997)
± 0.7 °C
± 1.2 °C
± 0.1 °C
Platinum 3916 (100, 200, 500 and 1000
ohms) (JISC 1604: 1981)
± 0.6 °C
± 1.1 °C
± 0.1 °C
Nickel 618 (100 ohms) (DIN 43760
Sept. 1987)
± 0.3 °C
± 0.5 °C
± 0.1 °C
Nickel 672(120 ohms) (DIN 43760
Sept. 1987)
± 0.3 °C
± 0.5 °C
± 0.1 °C
Nickel-Iron (518) (MINCO Application
Aid #18,Date 5/90)
± 0.4 °C
± 0.7 °C
± 0.1 °C
Copper 426 (10 ohms) (SAMA RC21-4-
1966)
± 2.4 °C
± 2.8 °C
± 0.1 °C
General Specifications
Voltage range
Supply current
24V dc nom
240 mA @ 24V dc
Dimensions (with module installed in
base)
HxWxD approx.
94 x 94 x 69 mm
(3.7 x 3.7 x 2.7 in.)
Environmental Conditions
Temperature, operating
0…55 °C (-32…131 °F)
Temperature, storage
–40…85 °C (–40…185 °F)
Relative humidity
IEC 60068-2-30
5…95% non-condensing
Vibration
IEC60068-2-6:
5 g @ 10…500Hz
Shock
Operating
Non-operating
IEC60068-2-27:
20 g
25 g
Emissions
IEC61000-6-4
CISPR 11:
Group 1, Class A (with appropriate enclosure)
ESD immunity
IEC 61000-6-2:
6 kV contact discharges
8 kV air discharges