GR33U2S Chart Recorder/Data Logger

Features

• Wide selection of signal conditioning inputs:  Voltage, Current, Thermocouple, RTD, etc.
• Two channels, 16 bit resolution, 500 Hz bandwidth
• Real-time monitoring on paper (up to 25 mm/sec), or via serial output
• Thermal array technology (8 dots/mm)
• Alphanumeric and Raster Graphics capabilities
• Simple operation. stand alone or from PC
• Battery backed data logger memory
• Low maintenance
• Self-calibrating
• Reliable

Chart Recorder

This reliable and low maintenance instrument features the proven thermal array writing technology. The high resolution thermal head has a printing width of 296 mm (11.65 in.) with 8 printing elements or dots per mm (203 per in.).  The grid is printed simultaneously with the signal waveforms, eliminating any drift between waveforms and grid.

The analog section has a 16 bit A/D converter per channel which is self calibrating, ensuring high accuracy and long term stability.

Alphanumeric labeling of the traces and chart can be readily entered from the keyboard, terminal or computer.
The operation of the recorder is controlled by a unique and compact control panel. A single rotary control scrolls through the recorder menus, allowing the user to quickly alter items such as chart speed and grids. This technique eliminates the numerous front panel controls usually found on chart  recorders.

Alternatively, the recorder can be controlled externally by a host computer or by a PC using the optional PC33 Control and Interface Software.

Also available is the DISP33 Virtual Chart Recorder Display program that graphically displays data from the recorder in real-time.  The program uses an IBM-compatible computer to create a display that resembles the output of the chart recorder - vertical traces on the chart.

This results in a versatile, accurate, reliable and low maintenance recorder with a wide chart presentation, with high resolution and easy viewing.

Computer Controlled

While under computer control, the user has complete access to all of the GR33U2S Chart Recorder, Alphanumeric and Raster Graphic capabilities.  Traces can be produced from digital data while simultaneously printing messages, or print text as a line printer.  Raster Graphics mode permits the host computer to control the individual printing elements for the maximum flexibility in creating graphic images.

Data Logging

In addition to producing hard copy, the recorder may also be operated in a logging mode where data for up to 320 days is kept in battery-backed, solid state  memory. The log data is tagged with time, date and "Station I.D."  The data may be periodically collected on a daily, weekly etc. basis by an external host computer via a standard RS232 port or via a modem.

Remote Real-Time monitoring

The data can be transmitted by the serial port or a modem to a remote host computer for monitoring or recording.  The transmission interval is user selectable.

Both the data logging and real-time outputs will operate with or without paper recording.  In addition, these two features have a simplified command set and status alarms provided for the host computer.

The RMS Instruments’ DISP33 Software can create a display in real-time on a PC screen that resembles the output of a chart recorder.

RECORD:
Recording Method:	Thermal array technology, 2368 printing elements on 0.125 mm centres with 203 dots per in. (8 dots per mm).
Size:	11.65 in. (296 mm) record on 12.625 in. (321 mm) paper.
Resolution:	200 x 200 dots per in. in both axis at all speeds (approximate).
Number of Channels: *	2 channels with alphanumeric annotation capability.
Grid Description and Printing:	Selectable self-printing grid.  2 overlapping channels  2 non-overlapping channels
Paper:	Plain thermal sensitive roll paper 12.625 in. (321 mm) wide by 200 ft. (60 m) long,  P/N RMS2030-4.
Chart Annotation: *	a) Programmable, 4-character channel identification.  b) Programmable time/date printing.  c) 8 character programmable  "Station I.D.", printed with time.
PAPER TRANSPORT:
Chart Speeds:	a) Fixed - 1, 5 mm/min. & 25  mm/sec.  b) Variable (programmable)       - 0.01 mm/sec - 25.0 mm/sec       - 0.001 in/sec - 1.00 in/sec  c) Chart On/Off - local or remote  d) Fast paper advance switch.
Paper Viewing Area:	3.3 in. (84 mm) using take-up spool.
Drive Mechanism:	Roller type, driven by a microprocessor controlled stepper motor with an internal take-up spool.
Paper Level Indicator:	4 segment LED bargraph, using solid state paper motion sensor.  Alarm  indicating out of paper.
INSTALLATION:
Size:	19 in. (482.6 mm) rack mountable x 5.25 in. (133.4 mm) high. Overall depth 19.3 in. (490 mm), extending 17.5 in. (445 mm) behind mounting surface.
Weight:	approx. 24.5 lbs (11.2 kg.).
Finish:	Black anodized.
POWER REQUIREMENTS:	85-250 VAC, 47-440 Hz and 110-330 VDC;  typically 100 watts.
ENVIRONMENT:
Operating Temperature:	0°C to +50°C, thermostatically controlled cooling fan
Storage Temperature:	-40°C - +60°C
Humidity:	5%-95% non-condensing (excluding paper).
Vibration:	ten 6 hour cycles, each cycle consists of 4 hours at +40°C with 10 minutes of vibration at 1g, 60 Hz every hour, and one hour cold cycle to 0°C.
ANALOG INPUT:
Real-time Bandwidth:	DC - 500Hz per channel (-3dB).
A/D Resolution:	one A/D per channel,  16 bits, self calibration
DIGITAL INPUT:	1) Parallel port to be used with a host computer or a PC using the optional  PC33 Interface and Control Program Software.  2) Serial port to be used with host computer as control port.  Transfer Rate:  300 to 19.2 kbps
DIGITAL OUTPUT:	Serial port for data logger memory and real time data transmission.  ASCII or binary format  Transfer Rate:  300 to 19.2 kbps
DATA LOGGING CAPACITY:	120 Kbytes (solid state memory)  Recording time dependent on chart speed and user selectable K factor  e.g. 30 Hrs (1mm/min, K=1)          320 days (1 mm/min, K=256)
FRONT PANEL CONTROLS & INDICATORS:	-  illuminated power On/Off switch.  -  LED 4 segment paper level indicator  -  Chart On/Off.  -  operator control panel consisting of a 12 digit alphanumeric display and a rotary control to scroll through menus of functions, for example, real-time clock, grids, chart speed etc.
REAR PANEL:	-  screw-type terminal block for the signal inputs, power, etc.  -  25 pin `D' conn.; parallel control port.  -  9 pin `D' conn.; serial output port.  -  9 pin `D' conn.; serial control port.

Optional Accessories

• RMS3712 Control Panel Cover Assembly

• RMS3713 Front Cover Assembly

* Consult the factory for other configurations

Specifications subject to change without notice.