Continuity Checkers

TEK 402/TEK 404

Continuity Checkers TEK 402/TEK 404

TEK 402/404 are compact, versatile, battery powered instruments suitable for use in noisy environments. The tough construction makes it ideal for industrial and commercial environments including low voltage signalling, process control and training or educational applications. The loud 85 dB buzzer makes it ideal for use in noisy environments where many continuity buzzers, multimeters or 17th Edition multi function testers cannot be heard.;TEK404 can be used for the same low voltage applications as the TEK402. But the TEK 404 is also suitable for use in CAT II and CAT III environments. There is an additional safety feature which pulses to alert the user when connected to live circuits >30 V ac. There is a convenient belt clip and the TEK404 is supplied with CATIII 600 V rated TL47 test leads.

Features and Benefits

• Dimensions: 50 x 64 x 30 mm;• Weight: approx. 260 g;• Belt Clip: On rear face;• Power Supply: 9 V, MN1604 / PP3 alkaline battery

TEK 402

• Audible indication;• Probe Voltage: 2.2 V dc;• Test Current: < 50 μA across short circuit;• Continuity Range (audible): 2.2kΩ +/- 10%;• Audible Output Level: 85 dB minimum at 30 cm with 0Ω continuity resistance;• Compliance: BS EN61010-2001, CAT I 50 V Peak. Not for use in CAT II, III or IV environments

TEK 404

• Audible and visual indication, plus overvoltage protection;• Probe Voltage: 2.2 V dc;• Test Current: <50 μA across short circuit;• Continuity Range: 2.2kΩ +/- 10%;• Audible Output Level: 85 dB minimum at 30 cm with 0Ω continuity resistance;• LED Indication: Bright Orange LED, buzzer and LED intensity reduce with increasing continuity resistance;• Alarm Function: Pulsed buzzer and LED indication if unit is connected to live circuit voltage >30 V ac or >30 V dc +/- 20 V;• Supplied with test leads (TL47), insulated crocodile clips and MN1604 battery;• Ingress: IP40;• Compliance: BS EN61010-2001, CAT III 600 V overvoltage

Supplied with

Belt Clip

Select all	Attribute	Value
	Brand	Martindale
	Product Type	Continuity Tester
	Test Current	5mA
	Visual Indicator	Yes
	Audible Alarm	Yes
	Display Type	LED
	Probe Voltage	9V
	Power Source	Battery
	Weight	185g
	Minimum Operating Temperature	-5°C
	Maximum Operating Temperature	40°C
	Standards/Approvals	No
	Length	150mm
	Height	30mm
	Width	64 mm
	Model Number	TEK 404

	Select all
	Brand Martindale
	Product Type Continuity Tester
	Test Current 5mA
	Visual Indicator Yes
	Audible Alarm Yes
	Display Type LED
	Probe Voltage 9V
	Power Source Battery
	Weight 185g
	Minimum Operating Temperature -5°C
	Maximum Operating Temperature 40°C
	Standards/Approvals No
	Length 150mm
	Height 30mm
	Width 64 mm
	Model Number TEK 404

Martindale TEK404 Continuity Tester 5mA LED, Model TEK 404

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