Circular Chart Recorders |
| CT6100 Series |
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Accepts Thermocouple, RTD, Vdc, and mA DC Inputs
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High Accuracy and Stability
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User Configurable via Front-Panel Keypad
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Easy-to-Use Menu-Driven Interface for Rapid Configuration and Calibration
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Available in 1-, 2-, or 3-Pen Versions
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Large-Character Alphanumeric LCD with Backlight
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Simultaneous Digital Display of Process Variable for Each Channel
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Programmable Locks for Security
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View related products - Recorders
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The CT6100 Series microprocessorbased
circular chart recorders are
available in 1-, 2-, or 3-channel
variants. They combine the simplicity
and clarity of pen drawing with the
versatility of microprocessor control.
Each channel is compatible with all
industry-standard sensors and signals,
including thermocouple types J, K,
T, E, N, R, S, and B; Pt100 platinum
RTDs; and 4 or 20 mA current loops.
Low and high measurement ranges
are provided for each input type;
separate range cards are not required.
Multi-input versions feature
optoelectronic isolation of the input
stages to eliminate troublesome
installation ground loops. Multislope
integrating 16-bit A/D converters
ensure precise measurement by
sampling the input every 0.5 seconds.
Thermocouple and RTD
characteristics are fully linearized.
The recorders use automatic
cold-junction compensation for
thermocouple measurement.
All CT6100 Series models feature
alarm relays. Single-pen recorders
are equipped with 3 fail-safe singlepole
changeover relays; 6 relays are
standard on the 2- and 3-pen versions.
Color-coded LEDs indicate the status
of each relay. All relay functions are
user selectable: setpoint values and
hysteresis levels are entered
directly via the keypad, while relay
action and channel assignment are
selected from user-friendly menus.
Circuit precision is matched by the
backlash-free pen-drive mechanism,
which has a positioning resolution of
better than 0.1%. An integral feedback
potentiometer enables
closed-loop monitoring
of each pen position.
Each recorder uses a low-maintenance
stepper motor. The rotation speed
of the 244 mm diameter chart is
microprocessor controlled and user
programmable.
All CT6100 recorders are housed in
a strong molded case that can be
panel or surface mounted. A
gasket-lockable door protects
internal components from harsh
industrial environments and offers
protection rated to NEMA 12 (IP55).
A tough acrylic window lets the user
view the chart trace, digital channel
readings, and alarm status with the
recorder's door closed.
SPECIFICATIONS
Inputs
Input Types: Thermocouple K, T, J, N, E, B, R, S; Platinum RTD (Pt100) 3-wire; ±2V, +20 Vdc; ±2 mA, ±20 mA
Input Ranges: Thermocouples to BS4937 (type B minimum temp 200°C); RTD to BS1904:1984
Cold Junction Compensation: Automatic; ±0.02°C/°C stability
Input Resistance:
Thermocouple: 10 MΩ
±2 mA: 200 Ω
±20 mA: 20 Ω
±2V, ±20V: >1 MΩ
Min Span: 5°C (9°F), thermocouples K, J, T, E, N and RTD; 50°C (90°F) other thermocouple types, 50 mV, 200 mA
T/C BURN-OUT: Pull-up or pull-down, selectable
RTD Lead Resistance: 3-wire, compensated up to 10 Ω max per lead
Input Protection: ±50 Vdc on signal inputs
Input Isolation: Optoelectronic on 2 and 3 input models 500 Vrms channelto- channel, 500 Vrms channel-to-ground
Sensor/Transmitter Power: 12 or 24 Vdc, 25 mA, selectable; for current loop inputs
Performance
Accuracy:
RTD, Low Range (-200 to 200°C): ±0.2°C
RTD, High Range (200 to 850°C): ±0.8°C
Thermocouple: ±0.25% FS
Voltage/Current: ±0.2% FS
Temperature Stability: ±0.02% FS/°C
Linearization Accuracy:
T/C Types J, K, T, N, E: ±0.1°C, -50 to 200°C, ±1°C max
T/C Types R and S: ±0.2°C, -50 to 200°C, ±1°C max
T/C Type B: ±1°C max
RTD: ±0.1°C, -200 to 850°C
Calibration Shift: ±10°C user programmable to eliminate sensor errors (T/C and RTD)
Chart and Display
Chart Size: 244 mm (9.6") dia; 40, 50, 60, 70 or 80 linear divisions
Chart Drive: DC stepper motor
Chart Speeds: 1 to 24 hours in steps of one hour, 2 to 31 days in steps of 1 day
Writing Method: Disposable ink cartridges; pen 1-red; pen 2-green; pen 3-blue
Pen Positioner: DC stepper motor
Positioning Resolution: >0.1% FS
Response Time: Zero to full scale in 4.5 sec
Pen Lift: Powered, activated from front panel; chart fast time advance possible with pens raised
Display: 2 line x 20 character dot matrix liquid crystal with backlight and automatic temperature compensation; 9.6 mm (0.37") character height
Display Resolution: 0.1°C for temperature inputs, software programmable for voltage/current inputs
Alarm Display: Relay status shown by red and green front panel LEDs Relays
Type: SPDT; 30 Vdc or 250 Vac @ 6 A max; 150 W DC, 1660 Vac non-inductive
Action: Software selectable from: high alarm/low alarm/deviation alarm/control relay (high)/control relay (low); relays de-energize in alarm state; assignable to any channel
Hysteresis: User programmable 0.0% to 10% span
Snubber Network: 22 nF and 100 Ω across each contact
Analog Output (Option)
Type: 0 to 20/4 to 20 mA; assignable to any channel; range selectable within any segment of chart range
Resolution: 12-bit
Compliance: 20V approx
Isolation: Optoelectronic
Action: direct or reverse General
Security: 3-level software lock including password protection, internal hardware jumper lock, lockable door
Power: 115 or 230 Vac ±10%, switch
selectable, 50/60Hz: terminal block connection
Power Requirements: <25 W
Operating Ambient: 0 to 55°C (32 to 131°F), 0 to 90% RH (non condensing)
Case: Steel, with glass-filled polyester resin door with acrylic window
Protection: NEMA 12 (IP55)
Mounting: Panel or surface
Dimensions: 336 W x 396 H x 171 mm D (13.2 x 15.6 x 6.7")
Weight: From single pen: 7 kg (15.4 lb)
to three pen: 7.7 kg (17.0 lb)
Panel Cutout: 288 W x 356 mm H (11.3 x 14.0")
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