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DF4 Digital temperature controller
- Proportional control
- Simple temperature setting
- Clear digital indication
- Simple 8 pin socket type

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Specification

Input

Thermocouple input

K

RTD input

Pt 100 Ω

Input sampling cycle

500 ms

Input display resolution

1 ℃

Allowable

signal source resistance

Thermocouple max. 100 Ω

Lead wire allowable resistance

RTD (max. 10 Ω. but the resistance among 3 lines should be same)

Performance

Display accuracy

± 1 % of FS ± 1 Digit

Control

functions

and output

Control type

Proportional control

Control operation

Reverse action

Setting range

Same as range and input code

Proportional band

1 ~ 10 % of FS

Manual reset (MR)

-50 ~ +50 % (Output amount)

Proportional period

Approx. 20 sec (relay output)

Input disconnection detection

The output is OFF when the range is over 10 ℃

Control output

Contact capacity : 1 C, 250 V a.c. 3 A (resisitive load)

Power voltage

110 V a.c., 220 V a.c. 50/60 ㎐

Voltage fluctuation rate

± 10 % of power voltage

Power consumption

Max. 3 VA

Ambient temperature & humidity

0 ~ 50 ℃, 35 - 85 % RH (without condensation)

Storage temperature

-25 ~ 65 ℃

Weight (g)

200