True RMS Multimeter TES-2900: 马来西亚的首选 Obsnap Instruments Sdn Bhd

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Product Features

Specification

Accuracies are ±(...% of reading + ...digits) at 23℃ ± 5℃,below 80% RH.

AC Voltage

AC conversions are ac-coupled and valid from 3 % to 100 % of range.

Range	Resolution	Accuracy
		45 – 65Hz	15 – 200Hz	200 – 440Hz	440Hz – 1kHz	1 – 5kHz	5 – 20kHz
999.9mV	0.1mV	±(0.7%+4)	±(1.0 % + 4)			±(2%+4)	±(2%+20) [1]
9.999V	0.001V
99.99V	0.01V	±(0.7%+2)				±(2%+4) [2]	Unspecified
999.9V	0.1V						Unspecified
VFD			±(1.0%+4)	+1.0%+4 -6.0%-4 [3]	Unspecified	Unspecified	Unspecified
[1] Below 10 % of range, add 12 counts. [2] Frequency range: 1 to 2.5kHz [3] Specification increases from -1% to -6% at 440Hz when filter is used.

DC Voltage, Conductance, and Resistance

Function	Range	Resolution	Accuracy
mV dc	999.9mV	0.1mV	±(0.1% + 1)
V dc	9.999V	0.001V	±(0.05% + 1)
	99.99V	0.01V
	999.9V	0.1V
Ω	999.9Ω	0.1Ω	±(0.2% + 2) [2]
	9.999kΩ	0.001kΩ	±(0.2% + 1)
	99.99kΩ	0.01kΩ
	999.9kΩ	0.1kΩ
	9.999MΩ	0.001MΩ	±(1% + 1)
	50.00MΩ	0.01MΩ	±(5% + 1) [1]
nS	99.99nS	0.01nS	±(5% + 10) [1,2]
[1] Add 0.5% of reading when measuring above 30MΩ in the 100MΩ range, and 20 counts below 33nS in the 100nS range. [2] When using the rel function to compensate for offsets.Smart Ω: ±(1% + 2).

Temperature

Thermocouple Type	Range	Accuracy
K	-40 to 1372℃ (-40 to 2502℉)	±1.0%±1℃(2℉)
J	-40 to 1200℃ (-40 to 2192℉)	±1.0%±1℃(2℉)
[1] Does not include error of the thermocouple probe. [2] Accuracy specification assumes ambient temperature stable to ± 1°C. For ambient temperature changes of ± 5°C, rated accuracy applies after 2 hour.

AC Current (45Hz to 10kHz)

Function	Range	Resolution	Burden Voltage	Accuracy
μA ac	999.9μA	0.1μA	100μV/μA	±(1.0 % + 2)
μA ac	9999μA	1μA	100μV/μA
mA ac	99.99mA	0.01mA	3.6mV/mA
mA ac	400.0mA	0.1mA	3.6mV/mA
A ac	9.999 A	1mA	50V/A
AC conversions is true rms responding, and valid from 3% to 100% of range, except 400 mA range. (5% to 100% of range) and 10A range (15% to 100% or range).

DC Current

Capacitance

Range	Resolution	Accuracy
10.00nF	0.01nF	±(2.0% + 2) [1]
100.0nF	0.1nF	±(2.0% + 2) [1]
1.000μF	0.001μF	±(2.0% + 2)
10.00μF	0.01μF
100.0μF	0.1μF
9999μF	1μF
[1] With a film capacitor or better, using the rel mode to zero residual.

Diode

Range	Resolution	Accuracy
2V	0.001V	±(1.0% + 1)

3f Phase Sequence Indication

Range	Frequency Response	Overload Protection
80V to 480V	50Hz / 60Hz	1000V

Frequency Counter Specifications

Frequency Counter Sensitivity

Input Range	Approximate Voltage Sensitivity (rms sine wave) [ 1 ]
Input Range	5Hz to 100Hz	100Hz to 100kHz
999.9mV	50mV VFD	50mV
9.999V	500mV VFD	500mV
99.99V	5V VFD	5V
999.9V	50V VFD	50V
Input Range	Approximate Current Sensitivity (rms sine wave)
Input Range	5Hz to 100Hz	100Hz to 10kHz
999.9μA	50μA VFD	50μA
9999μA	500μA	500μA
99.99mA	5mA VFD	5mA
400.0mA	50mA	50mA
9.999A	1A VFD	1A
[1] Maximum input = 10 x range (1000V maximum, 2 x 10⁷ V-Hz product maximum) VFD : Enabled Low Pass filter

Hz Logic Level Frequency

Range	Sensitivity
5Hz to 9999Hz	3.0Vp square wave

Input Characteristics

Function	Overload Protection	Input Impedance (nominal)	Common Mode Rejection Ratio (1 kΩ unbalance)		Normal Mode Rejection
	1000V rms	10MΩ<100pF	> 120dB at dc, 50Hz or 60Hz		> 60dB at 50Hz or 60Hz
	1000V rms		> 120dB at dc, 50Hz or 60Hz		> 60dB at 50Hz or 60Hz
	1000V rms	10MΩ<100pF (ac-coupled)	> 60dB, dc to 60Hz
		Open Circuit Test Voltage	Full Scale Voltage		Typical Short Circuit Current
			To 1MΩ	>1MΩ or 100nS	1kΩ	10kΩ	100kΩ	1MΩ	10MΩ	50MΩ
	1000V rms	<2.5V dc	<0.21V dc	<2.2V dc	200μA	20μA	2μA	0.2μA	0.1μA	0.1μA
	1000V rms	<2.5V dc	2.0V dc		200μA typical

General Specifications:

Power Source: Single standard 9-volt battery, NEDA 1604, JIS 006P, IEC 6F22.

Weight: Approx. 470g

Size: 193mm(L)×91mm(W)×53mm(H), (7.6”L×3.6”W×2.1”H)

Accessories : Test leads, Battery, Operating Instructio
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