Senseca Italy S.r.l. products

HD 688T transmitter is built inside a 2-module DIN box for 35 mm asymmetric guide. The module turns the signal coming from a Pt100 into an analogue signal that can be sorted out through a jumper connection between 0÷20 mA, 4÷20 mA, 0÷10 V. The signal is galvanically separated among input, output and power supply. The 3-way insulation of the module allows the prevention of reciprocal influences in the presence of various measuring circuits.

HD 778TR1, HD 978TR1 and HD 978TR2 are 4…20mA two-wired passive transmitters with a microprocessor. These can be configured for thermocouple sensors type K, J, T and N. They convert the voltage value generated by the thermocouple into an electric linear signal within the 4…20mA range. The use of digital devices obtains excellent precision and stability in time. The user can set the 4…20mA (or 20…4mA) output in any temperature range included in the measurement range of the individual thermocouples with a minimum range of 50 °C. The range and type of thermocouple are simply set by using one button. A led signals the alarm situation (out of order or unconnected sensor) and helps the user during the programming phases. The transmitters are also protected against polarity inversion. HD778TR1 is specifically designed to be installed on DIN B connection heads; HD978TR1 and HD978TR2 are suitable for mounting on 35 mm DIN bars.

HD 2047 is a handheld instrument designed to test and calibrate instruments with Pt100 input (100Ω a 0°C) and voltage/current outputs, such as active or passive temperature transmitter, recorders, testers and data loggers, etc. HD 2047 simulates up to 24 fixed values, following the Pt100 scale from -100°C up to +500°C, with a 2, 3 or 4 -wire connections. The set points selection is made through a rotary switch placed on the front part of the instrument. Whatever operating mode is chosen, Pt100 output is always active. HD 2047 can measure with high accuracy voltage/current outputs of any transmitter connected to the instrument input: -20V...+20V continuous voltage range and 0...22mA continuous current range.

HD 778TR1, HD 978TR1 and HD 978TR2 are 4…20mA two-wired passive transmitters with a microprocessor. These can be configured for thermocouple sensors type K, J, T and N. They convert the voltage value generated by the thermocouple into an electric linear signal within the 4…20mA range. The use of digital devices obtains excellent precision and stability in time. The user can set the 4…20mA (or 20…4mA) output in any temperature range included in the measurement range of the individual thermocouples with a minimum range of 50 °C. The range and type of thermocouple are simply set by using one button. A led signals the alarm situation (out of order or unconnected sensor) and helps the user during the programming phases. The transmitters are also protected against polarity inversion. HD778TR1 is specifically designed to be installed on DIN B connection heads; HD978TR1 and HD978TR2 are suitable for mounting on 35 mm DIN bars.

HD 588 MODULAR SIGNAL CONVERTER WITH 3-WAY GALVANIC SEPARATION FOR THE PROCESSING OF ANALOGUE SIGNALS: 0÷20mA, 4÷20mA, 0÷10V. Built inside a 2-module DIN box for 35 mm asymmetric guide, the converter offers, as well as a conversion of analogue signals between input and output, a complete galvanic separation among input, output and power supply. The 3-way circuital configuration ensures a definite decoupling of the sensor circuit from the external control circuit, preventing reciprocal influences in the presence of various measuring circuits.

The dual regulating indicator DO 9404 is a microprocessor-controlled panel instrument with LED 96x96, with thresholds and alarms that may be programmed and configured by the user. In the two input channels it accepts signals coming from two distinct transmitters or from a double transmitter. The transmitters may be passive with 2 wires or active with 3 wires, in voltage 0÷1 V, 0÷5 V, 0÷10 V or current 0÷20 mA; 4÷20 mA. For both input channels the configuration possibility is always present in the instrument, no extra cards are needed. The choice of configurations for the input signals is made on the keyboard located on the front of the instrument.