Data-Sheet- DIGISTANT® Model 4462


Catalog excerpts

Data-Sheet- DIGISTANT® Model 4462 - 1

High Precision Calibration Source For voltage, current and thermocouples DIGISTANT® Model 4462 Delivery: upon request 4462 EN ■ High precision current and voltage source ± 52 mA, ± 30 V Option: ± 22 mA, ± 60 V ■ Precision simulation for all conventional thermocouple types (optional) ■ Error limit 0.003 % Rdg. ■ Standard with RS232 and IEEE488 interface, USB and Ethernet (optional) ■ Current "SINK" Application The precision calibration unit combines high accuracy, low drift, low noise and superior long-term stability with multiple functionality and simple operation. Ramps, A+/A-, and multiple setpoint storage make the operation of the device easier for the user. For that reason the application possibilities are many: ► Calibration of current and DC-voltage meters ► Precise testing of thermocouple temperature measuring instruments ► Calibration of controllers, sensors, detection devices and other devices used in process control ► Open-loop process control with the aid of integrated ramp function DIGISTANT® model 4462 can be used both as a stand-alone table-top device, as well as in automatic, computer-assisted manufacturing and testing systems. Description It is possible to set current of ± 200 nA ... ± 52 mA, voltage of ± 1 pV ... ± 30 V and, optionally temperature setpoint value of 14 thermocouples types. The output value is fed back via the sense line to eliminate voltage drops across the measuring leads. The device has an adjustable current/voltage limitation. An external voltage divider of 1 up to 1:1000 can be considered internally. With the thermovoltage sourcing option you can enter °C, °F and K, the temperature scales ITS 90 or IPTS 68 and the comparison point mode constant/external. Furthermore, when sourcing thermocouples a calibrated external comparison point can be used, whereby the data for calibration in the device can be taken into consideration. Indication of the source value is carried out in large 12 mm figures on an illuminated graphics-LCD. The device can be operated both via the keyboard as well as the interface. Technical changes reserved -Latest updates of data sheet always under burster praezisionsmesstechnik gmbh & co kg ■ Tel. +49-7224-6450 ■ Fax 64588 Talstr. 1-5 ■ DE-76593 Gernsbach ■ ■ info@bu

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Data-Sheet- DIGISTANT® Model 4462 - 2

Source main menu External sense Manual range selection Divider factor of the external divider. The voltage value is fed with the value which should appear on the output. Current limitation- Currently set delta value 0 are edited. The last source value remains stored Source value Source value will be negative Ramp 1 Configuration menu SEQUENZ: TRIANGEL REPETITIONS: 17 DELTA-VAL: 25.0mV DELTA-TIME.hh:mm:ss.s RETU Current/voltage, limit setting LIMITATION Ramp function: ► Ramp 1 with constant delta values and delta time ► Ramp 2 with variable delta values and internal time. The ramp function...

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Data-Sheet- DIGISTANT® Model 4462 - 3

Option: 60 V (Range 30 V will be dropped) Output current: max. 52 mA at 30 V, source resistance < 10 mQ Technical Data Voltage source Burden voltage: max 30 V at 52 mA, source resistance > 500 MQ Confidence coefficient for the specified errors: 95 % (K2). (Burden voltage: max 60 V at 22 mA, model VXX1) General Technical Data Long-term stability: U-Drift < 20 ppm / year + 2 pV / year (300 mV) U-Drift < 20 ppm / year + 6 pV / year (3 V) U-Drift < 20 ppm / year +10 pV / year (30/60 V) I-Drift < 70 ppm / year + 0.5 pA / year Warm-up time: 30 minutes, until specified error limit An external...

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Data-Sheet- DIGISTANT® Model 4462 - 4

External reference junction model 4485-V001 for thermocouples ► ► ► ► For an accurate simulation of thermocouples A built-in Pt100 for cold junction compensation Thermally stable and isolated construction Plug type: Miniature TC connector Limits: Long term stability: Insulation resistance between pins in disconnected status: Operating temperature range: Storage temperature range: Thermo cable and connector cause an additional error. We recommend to use the class 1. Application Example 1. Calibration of a PC card with a thermocouple measurement input Instead of the thermocouple the...

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