Power (Recorder)
dc: Four (4) “D” size alkaline batteries; greater than
1 month continuous operation in 32 day mode;
bulbs will not light on battery power.
Recommended battery type: Duracell Type
MN1300 “D” size batteries for best performance
at low temperatures.
ac: 110Vac or 220Vac 50/60 Hz stepped down to
nominal 9Vdc using ac adaptor provided
Power 300 mA “normal” during pen movement for
Requirements: battery (dc power); 500 mA “normal” during pen
movement for ac power using ac adaptor.
(Note: The light bulbs draw 200 mA of current).
ac Power Jack 8.3 to 12.4 Vdc, (nominal 9Vdc) 1A max.
Voltage: An ac adaptor is supplied
Analog Voltage Input Adapter (Optional)
Input: 20 mV dc to 1200 mV dc records as 2° to 120°F
Input Protection: up to 20Vdc or 10Vac RMS
Input Impedance: 330k ohms minimum
Input Connections: Banana jacks, 0.75” spacing
Cable Length: 12" (30.5cm)
Mechanical
Dimensions: 13
3
⁄16” x 10
11
⁄16” x 2
5
⁄8”
(H x W x D) (33.5 x 27.1 x 6.7 cm)
Weight: Approx. 7 lbs, including alkaline batteries
Mounting: “Keyhole” slots for wall mounting; foot cover for
benchtop use
Case: Rugged ABS plastic, color: gray or white
Miscellaneous: Swing-out stabilizing arm for bench top use,
decorative foot cover for wall mounting, and 6 ft
remote sensor cable for remote sensing
(USE ONLY ONE 6 FT REMOTE SENSOR CABLE
PER RECORDER FOR ACCURATE READINGS)
The CT485B Chart Recorder may be susceptible to radio
frequency fields at selected frequencies. The reading error
can be up to 10% of reading (Both Temperature and
Humidity) when exposed to RF fields (Testing was performed
to,IEC1000-4-3, 80% AM Modulation).
Specifications
11
11-3
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