PARTLOW記錄儀MRC7000
Functionality: Digital; Available in four configurations: Record only, High/Low limit optional, Controlling Recorder, Profiling Controlling Recorder.
Display: One digital display (std.); 2nd display with 2 pen (optional); 0.56? high, red, seven segment LED; 3 button keypad; automatic and decimal point positioning. Two alarm indications possible per pen.
Status Indicators: 7 LED status indicators – Out 1, 2, Man (Ramp, Soak or Seg 1–6 for profiler option only), one green LED pen 2 indicator, ALRM1/ALRM2 with red LEDs.
Chart: 10? circular chart; 100 charts furnished with each instrument. Unless otherwise specified, charts shipped with instrument are 0–100 range. 24 hour rotation default setting.
Chart Drive: DC Stepper Motor.
Chart Rotation: User configurable from 0.1 and 999.9 hours per revolution.
Chart Range: Bottom and top of span –9999 to 9999 units.
Pen Type: One or two disposable fiber tip pen.
Pen Color: Pen 1 (red); Pen 2 (green).
Memory Backup: Battery; 5 year normal life.
Construction/Enclosure: Structural foam enclosure with plastic cover standard.

Operating Characteristics
Operating Temp: 32° to 122°F (0° to 50°C).
Storage Temp: –40° to 149°F (–40° to 65°C).
Humidity: 0% to 90% non-condensing R.H.
Vibration: 0.5 to 100Hz @ 0.2g.
Electro Static Discharge: No effect from 5000V static charge over the entire area.
RFI: Degradation due to RF fields to recording and output accuracy to 8% at spot frequencies in the range of 100–1000MHz.

Electrical
Power Consumption: 25VA max.
Line Voltage: 115V or 230VAC ±10%, 50–60Hz.

Outputs
Control Outputs
Relay: SPST/SPDT; 115VAC 5.0A Resistive, 1/8HP, 250VA; 230VAC 2.5A Resistive, 1/8HP, 250VA.
SSR Driver: Open collector output; short circuit protected @ 100mA max; provides 4VDC @ 20mA or 3VDC @ 40mA.
Current: 0–20mA or 4–20mA; 0–650 ohm maximum load.
Alarm/Event Outputs (Options)
Relay: SPST/SPDT: 115VAC 5.0A resistive, 1/8HP, 250VA. 230VAC 2.5A resistive, 1/8HP, 250VA.
SSR Driver: Open collector output; short circuit protected @ 100mA max; provides 4VDC @ 20mA or 3VDC @ 40mA.
Process Alarm: Direct (High) or Reverse (Low) –9999 to 9999 units.
Deviation Alarm: Direct (Deviation above setpoint) or Reverse (Deviation below setpoint) –3000 to 3000 units.
Deviation Band Alarm: 1 to 3000 units.
Alarm Hysteresis: 0–300 units (width of hysteresis band).

Inputs
Thermocouple: J, K, T, R, S, B, C, E, N.
RTD: 100 ohm, platinum; 0.00385 ohms/ ohm/°C.
Volts: 0–5 VDC or 1–5VDC.
DC Millivolts: 0–25mV, 0–50mV or 10–50mV.
DC Milliamps: 4–20mA or 0–20mA used with appropriate shunt resistor.
Remote Setpoint Input (optional): 0–5VDC, 1–5VAC, 0–20mA, 4–20mA (recording controller only); accommodated with an internal 249 ohm jumper selectable shunt resistor.

Performance
General
Input Measurement Error: Type J, K, T, E, N, C, T/C and RTD ±0.25% of reading plus 1 degree @ 25°C; Type R, S, B, C, T/C ±0.25% of span @ 25°C.
Ambient Temperature Error: 0.01% of span per degree C deviation from 25°C.
Cold Junction Compensation Error: ±0.2% @ 25°C.
Cold Junction Compensation Rejection: ±0.04% deviation from 25°C.
Common Mode Rejection: 90dB minimum; 24VAC maximum for RTD input; 115VAC max for other inputs.
Normal Mode Rejection: 85dB minimum @ 60Hz or greater.
Chart Accuracy: Recording: 0.5% of span.
Chart Rotation: ±0.5% of rotation time.
Process Value Output Error Limit: 0.5% of span.
Record Error Limit: ±0.5% of chart span or better typically; ±1.0% of chart span maximum.
Control Parameters (optional)
Proportional Band Output 1/Output 2: 1 to 3000 units.
Manual Reset (Integral): –1500 to 1500 units.
Auto Reset (Integral): 0.0–100.0 repeats/ minute.
Rate Derivative: 0.0–10.0 minutes.
Cycle Time Output 1/Output 2: 1 to 240 seconds.
Position Proportioning Sensitivity: 0.0–50.0%.
ON/OFF Hysteresis: 0–300 units (width of hysteresis band).
First /Second Output Position: –1000 to 1000 units.
Control Action: Direct or Reverse.
Automatic Transfer Function: User-selectable to transfer from manual to automatic control when setpoint is reached; can be disabled.
Anti-Reset Windup: Auto-reset is disabled when the process is outside of the proportional band.
Auto/Manual: Bumpless transfer.
Manual Output: 0–100%.
Output Limiting: High/Low 0–100%.
Setpoint Limiting: High/Low Limit: –9999 to 9999 units.
Profile Parameters (optional)
Programmable Profiles: 8 user-programmable profiles.
Segments: 1–6 segments per profile.
Ramp and Soak: 1 ramp and soak per segment.
Profile Time Base: User-selectable; Choose from hours and tenths (HHH.T); hours and minutes (HH.MM) or minutes and seconds (MM.SS).
Profile Interruption Action: Upon return of AC power either go to OFF mode, continue profile, go to HOLD mode, or restart profile at beginning.
Profile Loop Count: 1–9999; 0 = continuous.
Profile End Control: User-selectable; hold at last setpoint; Abort (all outputs off or 0%); transfer to another profile.
Assured Soak: Deviation Hold after Ramp Up or Down; 1–3000 units; 0 = No Auto Hold. Pen Profiling
Configuration: Pen 1 only or Pen 1 and 2.
Remote Run/Hold (optional): User-selectable; override Run/Hold key; allow Run/Hold key function.
Event Output(s): Up to 3 event outputs possible; each event can be set on or off for each ramp and soak.

Communications Interfaces
Communications Port: RS-422/485 serial, half duplex.
Protocol: Partlow ASCII
Bit Rate: User-configurable 300, 600, 1200, 2400, 4800 or 9600/sec.
Address: User-configurable for each pen 0–99.

Ratings/Agency Approvals
Safety: UL 1092 File E67237; CSA Spec C22.2 File LR39885.
Immunity: Optional CE compliance.
Other: ISO 9002 registered.

Protection
Enclosure: NEMA 3 enclosure optional; CE compliance optional.
Security: Enable Mode security system option.

Physical Dimensions
Width: 15.13" (384mm).
Depth: 3.63" (92mm).
Height: 13.19" (335mm).
Weight: 20 lbs (9.1kg).

Options/Accessories
Choice of pen, thermocouple input and SSR driver outputs (see matrix for details).
RS-485 communication option.
24V DC power supply option.
115 or 230VAC input option.
NEMA 3 protection optional; CE compliance optional.
Enable Mode security system option.