Handbook
November 2011 / 59-UMC0071 / Issue 01
Mercury iTC
Page 115
TECHNICAL SPECIFICATIONS
Original Instructions
11 TECHNICAL SPECIFICATIONS
This chapter lists the technical specifications of the iTC.
11.1 Physical specification
11.2 Electrical power supply
11.3 Sensor inputs
The unit can accommodate thermocouple sensors with cold-junction compensation
(CJC).
Table 11-1 Physical specifications
Item Specification
Width 426 mm
Depth 272 mm
Height 131 mm
Weight 6.5 kg
Table 11-2 Specifications of electrical power-supply
Item Specification
Mains supply voltage 100 VAC to 240 VAC
Mains supply frequency 50 Hz to 60 Hz
Maximum supply power 650 W
Maximum mains voltage fluctuation ±10% of nominal voltage
Category II transient overvoltages can typically be present on the mains supply.
Table 11-3 Specifications of sensor inputs
Item Specification
Basic unit - single sensor input Upgradeable to 17 sensor inputs
NTC resistance range 5 Ohms to 200 kOhms
Constant voltage Typically <10 mV
PTC resistance range 5 Ohms to 3 kOhms
Constant current 0.1, 1, 10, 100 and 1000 μA
Sensors to be connected with four wires (pins 1, 2&3, 4, 5) of 9-way D-connector on iTC.
Sensor ADC resolution 24 bit
Resistance-sensor excitation modes Unipolar or bipolar
Sensor sampling rate Typically 1 Hz. Maximum 10 Hz.
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