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CT7110
Single and Dual Pen Circular Recorder with Digital Display

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Product Specs
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Alarm modes | Active High Output, Active Low Output, Adjustable |
Battery life | up to 5 yr |
CMRR | 90 dB minimum; 24 Vac maximum for RTD input; 15 Vac maximum for other inputs |
Chart Diameter | 254 mm |
Chart Note | Chart Span: Bottom and top of span, -9999 to 9999 units; Chart Drive: DC Stepper Motor; Chart Drive: Stepper Motor |
Chart Speed | 0.1 to 999.9 Hours |
Control Output | N/A |
Current Measurement Range | 4 to 20 mA |
Cutout Dimensions | 321 x 343 mm |
Deadband | Recording: 0.3% |
Display Note | Digital Displays: 2 possible: 1 per installed pen; (4) 7-segment digits, 14 mm (0.56”) high, red LEDs, automatic (-) positioning, decimal point positioning Keypad: Located on front cover, tactile feedback membrane keys, Display/Record Filter: 1 to 20 Scans. Alarm Display: 2 alarm indications possible per pen; ALRM1 and ALRM2; red LEDs; single ALRM indication provided for controller pens |
Display Type | LED |
EMC Standard | IEC 61000-4-2 |
Filter | 1 to 20 Scans |
Height | 335 mm |
LED Indicators | LED indicates Out 1, Out 2, Man, Ramp, Soak, Seg 1 through Seg 6, process units as applicable |
Length | 92 mm |
Material Construction Option | Standard |
Materials | Plexiglass |
Measurement Range Note | Thermocouple: J: 0 to 760°C, K: 0 to 1360°C, T: -220 to 400°C, E: 0 to 750°C, N: 0 to 1300°C, R: 200 to 1650°C, S: 200 to 1650°C, B: 200 to 1800°C, C: 200 to 2300°C RTD: -140 to 400°C Current: 4 to 20 mA Voltage: 0 to 25 mV, 0 to 50 mV, 10 to 50 mV, 0 to 5 V, 1 to 5 V |
Measurement Type | Thermocouple, RTD, Current, Voltage |
NMRR | 85 db @ 60 Hz or greater |
Number of Channels | 2 |
Number of Relays | N/A |
Operating Temperature, Max | 55 °C |
Operating Temperature, Min | 0 °C |
Pen Type | Disposable Fiber tip |
Power Consumption | 25 VA |
RTD Type | 100 Ω Pt sensor; α= 0.00385 |
Recording Color | Pen 1: Red, Pen 2: Green |
Relative Humidity | 0 to 90% RH, non-condensing |
Resolution | Pen Resolution: 0.15% |
Response Time | 20 sec |
Sampling Rate | 1 Scan/sec |
Sensor Break Detection | Sensor Fault Detection: Displays “Hi” or “Lo” process input (10% above or below range) and sensor break “SnSr”; pen action on error condition is user configurable to 0 or 100% of chart span; on/off outputs go “off”; proportional outputs go to user-defined value from 0 to 100% |
Standard Limits of Error | Error Limit: Measurement Error Limit: Thermocouple Types J, K, T, E, N and RTD: ±0.25% of reading + 1° @ 25°C (77°F); Type R, S, B, C Thermocouples: ±0.25% of span @ 25°C (77°F); mVdc and Vdc: ±0.25% of scaled span plus 1 least-significant digit Ambient Temperature Error Limit: 0.01% of span per °C (1.8°F) deviation from 25°C (77°F) 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; Calibration Shift: Self-compensating for ambient temperature; all calibration values are stored in memory; Process Value Output Error Limit: ±0.5%; Record Error Limit: ±0.5% |
Storage Temperature, Max | 65 °C |
Storage Temperature, Min | -40 °C |
Supply Power Note | 115 Vac ±10%, 50/60 Hz |
Supply Power Type | AC |
Supply Voltage | 115 Vac |
Switch Rating | 2 A @ 115 Vac, 1 A @ 230 Vac |
Switch Type | SPST |
Temperature Measurement Range | J: 0 to 760°C, K: 0 to 1360°C, T: -220 to 400°C, E: 0 to 750°C, N: 0 to 1300°C, R: 200 to 1650°C, S: 200 to 1650°C, B: 200 to 1800°C, C: 200 to 2300°C, RTD: -140 to 400°C |
Thermocouple Type | J, K, T, R, S, N, E, B, C |
Vibration | 0.5 to 100 Hz @ 0.2 g |
Voltage Measurement Range | 0 to 25 mV, 0 to 50 mV, 10 to 50 mV, 0 to 5 V, 1 to 5 V |
Weight | 9.1 kg |
Width | 384 mm |
Wire Code Option | 2- or 3- Wire |
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