Product Profile of Micro Controller Based Circular Chart Recorder

Tempsen devices offer micro controller based circular chart recorder having following significant features:

• Single & two pen

• Programmable range

• Lcd display

• Linearised range

• Sensor - selectable

• Micro controller based design

• Pen driven by stepper motor

• Calibration from fron panel

• 300 & 150 mm chart


Tdsm - 150 and tdsm - 300 is a self contained micro controller based temperature recorder. The recorder is designed to accept rtd, tc & 4-20 ma input. The sensor is selectable from front panel by feather touch switch.

Fibre tip pen is used for marking. The pen hoder arm is driven by rugged stepper motor. Calibration can be done from front panel.

The recorder comes in two models. [150 mm chart & 300mm chart]. Lcd digital display is standard feature of the instrument.

The temperature range and the sensor is selectable from the front. Daily chart and weekly chart models are available

Controller output is optional feature of the instrument. The set point is set from the front panel of the instrument. Two pen also can be offered.

Specification

• Chart width:150 or 300 mm

• Sensor selectable: [tc] j, k, rtd pt 100 & 4-20 ma

• Range:j- 0 - 400 ºc, k-0 - 800 ºc, 0 - 1000 ºc, 0 - 1200 ºc, rtd.--100 to + 100 ºc, 0 - 200 ºc, 0 - 400 ºc, 4 - 20 -0 - 100%

• Chart speed:24 hours or weekly drive

• Pen type :disposable fibre tip

• No. Of pen:one or two

• Recording accuracy:± 0.5% of span

• Indicating accuracy :± 0.25% of span

• Pen response:10 seconds full scale

• Power consumption :25 va maximum

• Power supply:230 v ac ± 10%