BK3

– 0.5 % high accuracy indicator
– Simple exclusive indication
– Power voltage 110/220 V a.c
– Character height 14.2/20.0 ㎜ LED applied

Suffix code

Model	Code	Content
BK3-		Digital Temperature Indicator
Input type	K	K thermocouple (refer to the range and input code chart)
	K1
	J	J thermocouple (refer to the range and input code chart))
	P1	Resistance Temperature Detector(RTD) Pt100 Ω (refer to the range and input code chart)
	P2

· Specification

Input sensor	hermocouple	K, J (ITS-90)
	RTD	Pt100 Ω (IEC)
Input sampling time		100 ㎳
Input display resolution		Usually less than indication value 1 ℃ (0.1 ℃)
Input impedance		1 ㏁ (thermocouple)
Allowable wiring resistance		Within 10 Ω of each 3 wires (but resistances among 3 wires should be same)
Allowable input voltage		Within ±2.5 V d.c. (thermocouple, RTD)
Display accuracy		±0.5 % of FS ±1 Digit
Insulation resistance		20 MΩ min (500 V d.c.)
Dielectric strength		3,000 V a.c. 50/60 ㎐ for 1 minute (Between the primary terminal and the secondary terminal)
Power Supply Voltage		100 – 240 V a.c. 50/60 ㎐
Voltage fluctuation		±10 % of power supply voltage
Power consumption		3 VA max
Ambient temperature		0 ~ 50 ℃
Storage temperature		-25 ~ 65 ℃
Vibration resistance		10 – 50 ㎐, Peak amplitude for 2 hrs each in X, Y and Z direction
Shock resistance		300 ㎨ each in X, Y and Z direction for 3 times
Weight		180 g

[ Range and input code chart ]

Classification	Code	Input	Range (℃)
Thermocouple	K	K Thermocouple	0 ~ 1,300 ℃
	K1		0.0 ~ 199.9 ℃
	J	J Thermocouple	0 ~ 400 ℃
RTD	P1	Pt100 Ω	– 199 ~ 600 ℃
	P2		– 199.9 ~ 199.9 ℃