CONSTANT ALL300

FEATURES

Source : DC Voltage, DC Current, resistance, simulate Transmitter, TC, RTD, frequency, pulse and switch
Large LCD Display Simultaneously : TC/RTD t and mV/Ω, mA and mA%
Manual Step Source and Auto
Room Temperature Monitoring

Function	Reference	Range	Resolution	Accuracy	Remark
DC Voltage	100mV	-10.000mV ~ 110.000mV	1µV	0.02+0.01	Maximum ouput current : 0.5mA
	1000mV	-100mV ~ 1100mV	10µV	0.02+0.01	Maximum ouput current : 2mA
	10V	-1.0000V ~ 11.0000V	0.1mV	0.02+0.01	Maximum ouput current : 5mA
DC Current	20mA	0.000mA ~ 22.000mA	1µA	0.02+0.02	External supply for simulate mA : 5V ~ 28V. Maximum load 1KΩ at 20mA
Resistance	400Ω	0.00Ω ~ 400.00Ω	0.01Ω	0.02+0.02	Excitation current : ±0.5-3mA; If ±:0.1-0.5 add 0.1Ω Accuracy does not include lead resistance;
	4KΩ	0.0000KΩ ~ 4.0000KΩ	0.1Ω	0.05+0.025	Excitation current : ±0.05-0.3mA; Does not include lead resistance;
	40KΩ	0.0000KΩ ~ 40.0000KΩ	1Ω	0.1+0.1	Excitation current : ±0.01mA; Does not include lead resistance;
TC	R	0°C ~ 1767°C	1°C	0~100°C : 1.5°C 100~1767°C : 1.2°C	By Using ITS-90 temperature scale; The accuracy does not include the error of internal temperature compensation caused by a sensor
	S	0°C ~ 1767°C		0~100°C : 1.5°C 100~1767°C : 1.2°C
	K	-200.0°C ~ 1372.0°C	0.1°C	-200.0~-100.0°C : 0.6°C -100.0~400.0°C : 0.5°C 400.0~1200.0°C : 0.7°C 1200.0~1372.0°C : 0.9°C
	E	-200.0°C ~ 1000.0°C		-200.0~-100.0°C : 0.6°C -100.0~600.0°C : 0.5°C 600.0~1000.0°C : 0.4°C
	J	-200.0°C ~ 1200.0°C		-200.0~-100.0°C : 0.6°C -100.0~800.0°C : 0.5°C 800.0~1200.0°C : 0.7°C
	T	-250.0°C ~ 400.0 °C		-200.0~400.0°C : 0.6°C
	N	-200.0°C ~ 1300.0 °C		-200.0~-100.0°C : 1.0°C -100.0~900.0°C : 0.7°C 900.0~1300.0°C : 0.8°C
	B	600°C ~ 1820°C	1°C	600.0~800.0°C : 1.5°C 800.0~1820.0°C : 1.1 °C
	L	-200.0°C ~ 900.0 °C	0.1°C	-200.0~0.0°C : 0.7°C 0.0~900.0°C : 0.5°C
	U	-200.0°C ~ 600.0 °C		-200.0~0.0°C : 0.7 °C 0.0~600.0°C : 0.5 °C
RTD	Pt100-385	-200.0°C ~ 800.0 °C	0.1°C	-200.0~0.0°C : 0.3 °C 0.0~400.0°C : 0.5 °C 400.0~800.0°C : 0.8°C	By using temperature scale ITS-90. Excitation current : ±0.5 ~ ±3mA for Pt100, Cu10, Cu50; Add 0.5°C when excitation current is ±0.1~0.5mA. Excitation current : ±0.05mA~±0.3mA for Pt200, Pt500, Pt1000; Does need include lead resistance.
	Pt200-385	-200.0°C ~ 630.0 °C		-200.0~100.0°C : 0.8 °C 100.0~300.0°C : 0.9 °C 300.0~630.0°C : 1.0 °C
	Pt500-385	-200.0°C ~ 630.0 °C		-200.0~100.0°C : 0.4°C 100.0~300.0°C : 0.5°C 300.0~630.0°C : 0.7°C
	Pt1000-385	-200.0°C ~ 630.0 °C		-200.0~100.0°C : 0.2 °C 100.0~300.0°C : 0.5°C 300.0~630.0°C : 0.7°C
	Cu10	-100.0°C ~ 260.0 °C		1.8°C
	Cu50	-50.0°C ~ 150.0 °C		0.6°C
FREQ	100Hz	1.00Hz ~ 110.00Hz	0.01Hz	±2count	Output voltage : +1 ~ +11Vp-p (zero base waveform); Ampiltude accuracy : ±(5%+0.5V); Maximum load : >100KΩ; Duty cycle : 50%
	1KHz	0.100KHz ~ 1.100KHz	1Hz
	10KHz	1.0KHz ~ 11.0KHz	0.1KHz
	100KHz	10KHz ~ 110KHz	2KHz	±5count
PULSE	100Hz	1~100000cycles	1cyc	±2count
	1KHz
	10KHz
SWITCH	100Hz	1.00Hz~110.00Hz	0.01Hz	±2count	FET switch Maximum open/close voltage : +28V Maximum open/close current : 50mA
	1KHz	0.100KHz~1.100KHz	1Hz
	10KHz	1.0KHz~11.0KHz	0.1KHz
	100KHz	10KHz~110KHz	2KHz	±5count

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