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TOOLTOP ET75 Process Multimeter Signal Source 2 in 1 Ohm Diode Multifuction Process Calibrator Loop Supply Simulate Transmitter

The Process Multimeter is a battery-operated process maintain ace field device which combined both digital-parameter function with process-signal source together.

Functioning as follows:

1. Measurement function of TC voltage, DC voltage , Ohms, DC, Continuity and Diode; Data reserving function;

2. Output function of DC (Constant, Manual-Step and SIMULATE modes)

3. Loop-circuit testing function; Powering the loop circuit with 24 Voltage and testing the current; Built-in 250 Ω HART loop resistance

4.Safety: complied with IEC 61010-1 safety requirements for measurement, control and electronic instruments for lab use.

Weight	0.3 kg

Features

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1. 100 mV, 30 V DC voltage measurement, 20 mA DC current measurement, and switching value measurement;

2. 100 mV, 30 V DC voltage output, 20 mA DC current output and SIMULATE output;

3. V, mA manual step output,automatic waveform output;

4. Simultaneous display of V, mA and percentage;

5. Loop detection function: It simultaneously provides the 24 V loop power supply and measures the current.

6. The following functions are added to the thermocouple type:

7. Eight scale division (i.e., R, S, B, K, E, J, T and N) thermocouple measurement and output function;

8. Temperature display in Celsius degree and Fahrenheit degree;

9. Automatic and manual cold junction compensation function.

Specification

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Measuring detailed accuracy indicator
Measuring part	Range	Frequency	Accuracy	Remark
DC voltage	50V	10mV	0.5%+4	• Measuring impedance 10 MΩ (standard value)
				• Common mode restrain: 50Hz or 60Hz > 100Db
				• String mode restrain:50Hz or 60Hz > 45dB
				• Overload protection: 600V (pea’k –pea’k value)
AC voltage	500V	100mV	0.5%+20 ( 45Hz~100Hz )	• Frequency beeps: 45Hz~400Hz
				• Adaptive to range from 10% to 100%
				• AC conversion: mean value
				• Measuring impedence:10 MΩ(standard value)<100pF
				• Common mode restrain: 50Hz or 60Hz > 100Db
			2%+20 ( 100Hz~400Hz )	• Overload protection: 600V(pea’k –pea’k value)
Ohm	5kΩ	0.001kΩ	0.5%+4	• open-circuit voltage: <5V;
				• short-circuit current: about 0.1mA.
				• leads resistance excluded in the accuracy;
				• overload protection: 600V
Continuity	500Ω	0.1Ω	Short-circuit beep is about 20Ω	• open-circuit voltage: <5V
				• short-circuit current: about 0.1mA.
Diode	2V	0.001V	1%+20	• overload protection: 600V(pea’k –pea’k value)
					DC current	20mA	0.001mA	0.2%+4	• overload protection: 100mA/250V fast-melt protection;
• loaded voltage: about 18mV/mA
Outputting detailed accuracy indicator
Output function	Range	Output designated range	Accuracy	Remark
CDI DC current	20mA	0.000~22.000mA	0.2%+4	• Max. load: 1kΩ at 20mA
Simulate transmitter	-20mA	0.000~-22.000mA		• External power supply: 5~28V • Max. load: 1kΩ at 20mA
Loop-circuit power	24V		±10%	• Max. output current 25mA

Simulating Transmitter		√
25％;100％Step output		√
Display current and % of span		√
Loop power		24V
Loop Detection
The 24V loop power supply and measuring the current		√
Built in 250 Ω HART loop resistance		√
General Information
Auto Power-off		√
Safety		CAT Ⅳ 600V Pollution Degree 2
Power Supply		2×1.5V ;AA Batteries (Not included)
Product Size		180×90×52(mm)
Product Weight		About 400g
Accessories		Test Leads; Manual