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The MRC 8000 Recorders and Recording Controllers are microprocessor based, 12 inch, circular chart instruments capable of measuring and displaying, recording and controlling up to two process variables from a variety of inputs. Applications include temperature, pressure, level, flow, relative humidity, pH and others using the universal inputs. The instrument incorporates two 4 digit LEDs configurable displays to show either the process value only, process and setpiont, deviation from setpoint only, or deviation and setpoint while in the normal operating condition. They can also display the proportional control outputs and the process values sequentially. The MRC 8000 is housed in a structural foam molded enclosure which can be panel or surface mounted. Its design allows it to fit into the smallest panel cutout of competative products, while it covers the largest cutout of others. Glass and plastic windows are available, along with a cover lock. The standard enclosure carries a NEMA 3 rating, with an optional NEMA 4X available. The MRC 8000 is available with a full compliment of options. On recorders, process alarms of high or low limit capability are available. On controllers, process deviation, and deviation band alarms are available along with remote setpoint options. For transmitters, a 24VDC 40mA Transmitter power supply is available. Up to four SPST relays or SSRs and up to two isolated 4-20mA outputs can be added. PC/DCS communications is available via an RS-485 interface.
Standard Unit, 115 VAC Only, NEMA 3 Housing with Glass Window
*Note: The total quantity of SPST Relays and SSR Drivers must be less than or equal to four.
**Note: 4-20mA inputs are accommodated using the 1-5V input and a 250 ohm Shunt Resistor,
P/N 64411701 or the 10-50mA input and a 2.5 ohm Shunt Resistor, P/N 64411702, $19.00 ea.
The 250 ohm resistor is included for each input.
Specify Chart Range & Rotation When Ordering - Extra Charts - $22.00/Box
Inputs: | Thermocouple: J, K, T, R, S, E, B, N, C |
Impedance: | >100 M-Ohms for T/C, mV 100K Ohms for 5V Inputs, 4.7 Ohms for mA |
Input Scan Rate: | 1 Sec |
Response Time: | 20 Sec Full Scale Travel |
Recording Accuracy: | +/-0.5% of Chart Span |
Pen Type: | Fiber Tip, Pen 1 - Red, Pen 2 - Green |
Rotation: | Programmable, 0.1 to 999 Hours, 0.1 Incraments |
Chart Span: | -9999 to +9999 Units |
Resolution: | T/C & RTD: 0.1 mA/mV/V DC: 0.001, 0.01, 0.1 & 1 Unit |
Input Offset: | -999 to +999 |
Remote Setpoint: | 0-5 VDC or 1-5 VDC |
Output Span: | 0-20mA or 4-20mA. 650 Ohms Load |
Display: | Dual 4 Digit, 0.56" LED (Red) (-9999 to 9999) |
Status Indication: | RED and YELLOW LEDs |
Relays: | Assignable as Alarms or Control Outputs Up to 2 Per Pen, 4 Total, 5A @ 115 VAC, 2.5A @ 230 VAC. SSR Outputs: 40 mA @ 3 VDC, 20 mA @ 4 VDC |
Control: | ON/OFF with Adjustable Hysterisis (0 to 300 Units) |
Power: | 115 or 230 VAC, 50/60 Hz |
Consumption: | 25 VA Max |
Transmitter Power: | Option: 50 mA @ 24 VDC |
Data Backup: | SRAM Battery Back, 10 Year Life |
Sensor Fault: | Display SnSr, Pen Travels Up Scale, Relays Programmable to Deenergize |
Enclosure: | NEMA 3 Case, NEMA 4X Option Gasketed Fiber Enclsoure Plastic or Glass Window (Lock Option) |
Chart: | 12" Standard, Many Ranges Available |
Mounting: | Panel or Wall, 4 Conduit Openings |
Dimensions: | 14.12" W x 16.77" H x 7.75" D, 12.7" Square Cutout, 2.5" Protrusion, 20 Lbs. |
Environmental Limits: | 32 to 131°F, 10-90% Humidity |
Communications: | 2 Wire RS-485 Total Access |
Approvals: | UL, ULc, CSA Pending |
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