CHINO EH 3000 Series Dot Printing Type Analog Recorder

Input Specifications

Input types:
DC voltage: ±13.8mV, ±27.6mV, ±69mV, ±200mV,±500mV, ±2V, ±5V
Built-in voltage divider (option): ±10V, ±20V, ±50V
DC current: External shunt resistor (250Ω) required (option)
Thermocouple: K, E, J, T, R (option B, S, N, U, L)
Resistance Thermometer: Pt100, JPt100 (option)
Linear scale for thermocouple and resistance thermometer.
Input designation: Single scale (standard), double / triple scale (option)
Accuracy ratings:
DC voltage input ±0.25% of input scan
Thermocouple and resistance thermometer ±0.5% of input span (except for some inputs)
Indicating dead band: ±0.2% of input span
Reference junction compensation accuracy:
K, E, J, T ±1.0℃ or below (23℃±10℃)
±2.0℃ or below (0℃ to 50℃)
(For internal reference junction compensation, the errors above are added to the accuracy rating)
Temperature drift: ±0.02%FS / ℃ (Converted into reference ranges)
Indicating resolution: Approximately 1/3,600
Allowable signal source resistance:
DC voltage inputs, thermocouple inputs 1kΩ or less (no burnout). Resistance thermometer inputs per wire 10Ω or less (same resistance for 3 wires)
Input resistance: DC voltage inputs (±5V or less), thermocouple inputs approximately 8MΩ
DC voltage inputs (voltage divider built-in) approximately 1MΩ
Maximum input voltage:
DC voltage inputs, thermocouple inputs, ±10V DC or less
DC voltage inputs (voltage divider built-in) ±60V DC or less
Resistance thermometer ±6V DC or less
Maximum common mode voltage: 30V AC
Common mode rejection ratio: 120dB or more
Normal mode rejection ratio: 50dB or more

Recording Specifications

Chart paper: Fan-fold type effective chart width 180mm (total width 200mm), total length of 20m
Recording points: 1,2, 3, 6, 12 points
Dotting interval: 6 seconds/point
Recording system: Inkpad dotting
1: red 2: blue 3: sky blue, 4: green, 5 brown, 6 purple, 7 orange, 8 gray, 9 blue, 10 greenish brown, 11 scarlet, 12 violet
Chart speed: 12.5,25,50,75,100,150mm/h
Chart speed accuracy: ±0.1% (based on chart paper scale)

General Specifications

Rated power voltage: 100 to 240V AC, 50/60Hz
Power voltage fluctuation: Indication fluctuation 0.2% or less (converted into reference ranges at 90 to 264V AC)
Power consumption: Maximum 20VA (100V AC), 25VA (240V AC)
Environmental conditions:
Reference operation condition
Ambient temperature range: 21 to 25℃
Ambient humidity range: 45 to 65%RH
Power voltage: 100V AC ±1%
Power frequency: 50/60Hz ±0.5%
Attitude: left/right 0℃, forward tilting 0℃, backward tilting 0℃
Warm-up time: longer than 30 minutes
Normal operation condition:
Ambient temperature range: 0 to 50℃ (20 to 65%)
Ambient humidity range: 20 to 80%RH (5 to 40℃)
Power voltage: 90 to 264V AC
Power frequency: 50/60Hz ±2%
Attitude: left/right 0 to 10°, forward tilting 0°, backward tilting 0 to 30°
Case:
Door frame: Aluminum Die-Cast, Door window: Glass, Back case: Steel
Color: Door Frame Gray (equivalent to Mussel N3)
Back case: Gray (equivalent to Mussel N7) Door window: Transparent
Mounting: Panel mounting
Weight: Approximately 8.0kg
Terminal screws: Power terminals / Protective conductor terminals / Alarm terminals M4.0, measuring terminal M4.0