Tenmars TM-28E TRMS AC/DC WATT Clamp Meter

Application

• Measuring voltage over 20V as it may cause human body electricity conduction.
• Measure AC power. 
• Operating Environment: Indoor use. This instrument has been designed for using in an environment of pollution degree 2.
• Operation Altitude: up to 2000m.
• Operating Temperature & Humidity: 5℃ ~ 40℃,below 80%RH.
• Storage Temperature & Humidity: -10℃ ~ 60℃, below 70%RH.
• Fingers should hold under the protection guard of test probe.
• Category: EN 61010-1(2001) 
                  EN 1010-2-032(2002)
                  CAT Ⅲ 600V
                  CAT Ⅱ 1000V

Features

• DC CURRENT (DCA) MEASUREMENT 
• AC CURRENT (ACA) MEASUREMENT 
• DC VOLTAGE (DCV) MEASUREMENT 
• AC VOLTAGE (ACV) MEASUREMENT 
• AC+DC WATT MEASUREMENT
• RESISTANCE MEASUREMENTS
• CONTINUITY TESTS
• FREQUENCY MEASUREMENTS
• MEASURING NON-SINUSOIDAL QUANTITY

• Display: 3¾digits LCD with maximum reading 3999, Plus decimal point, unit symbol indication.
• Overload Indication: LCD will show a “OL” in the left highest position.
• Low Battery Indication: Replace battery as LCD display “ ”.
• Sampling Rate: 2 times per second for digital display.
• Jaws opening:Max. 36mm
• Conductor size:Max. 35mm
• Dimension: 218mm(L)x75mm(W)x43mm(H).
• Weight:about 360g. (Including battery)

Electrical Specifications

DCA
Range	Resolution	Accuracy	Overload Protection
400A	0.1A	±(1.5%+5)	800A rms (60 second)
600A	1A	±(2.0%+5)

 

ACA
Range	Resolution	Accuracy  50Hz~60Hz	Overload Protection
400A	0.1A	±(2.0%+5)	800A rms (60 second)
600A	1A	±(2.5%+5)

 

AC CURRENT (TRUE RMS:From 10% to 100% of range)
Range	Resolution	Accuracy		Overload Protection
		40Hz~65Hz	65Hz~1kHz
400A	0.1A	±(2.0%+5)	±(3.0%+8)	800A rms (60second)
600A	1A	±(2.0%+5)	±(3.0%+8)

 

CURRENT 1 mS PEAK HOLD
Range	Resolution	Accuracy	Overload Protection
400V	0.1A	±(1.2%+15)	600V rms
600V	1A	±(2.5%+15)

 

DC VOLTAGE
Range	Resolution	Accuracy	Overload Protection
400V	0.1V	±(1.0%+3)	600V rms
600V	1V

 

AC VOLTAGE (TRUE RMS:From 10% to 100% of range)
Range	Resolution	Accuracy		Overload Protection
400V	0.1V	40Hz~400Hz	400Hz~2kHz	600V rms
600V	1V	±(1.2%+5)	±(2.0%+5)

Input Impedance : 10M!&// less than 100Pf.Crest factor :  >3°:1.
 

VOLTAGE 1 mS PEAK HOLD
Range	Resolution	Accuracy	Overload Protection
400V	0.1V	±(1.5%+15)	600V rms
600V	1V	±(2.5%+15)

 

AC+DC WATT
Range	Resolution	Accuracy	Frequency	Overload Protection
40KW	0.01KW	±(5.0+5)	0~1KHz	600V rms
400KW	0.1KW	±(5.0+5)

 

Continuity Test
Range	Resolution	Buzzer	Max.Open Voitage	Overload Protection
	1!&	Lower 400!&	About 1.2V	DC 500V rms AC500V rms

 

RESISTANCE
Range	Resolution	Accuracy	Max. Open Voltage	Overload Protection
4000!&	1!&	±(1.0%+3)	0.4VDC	600V rms

 

Frequency Test
Range	Resolution	Accuracy	Max. Sensibility	Overload Protection
4KHZ	1HZ	±(0.5%+3)	5Vrms	DC600V AC600V rms
40KHZ	10HZ
400KHZ	100HZ