Dorland Industrial Intrinsically Safe Smart Multimeter Multimeter 87v EX

Developed by Beijing Dorland System Control Tech Co. Ltd., the industrial intrinsically safe smart multimeter Multimeter 87v EX adopts advanced technology. a newly designed, developed, and produced industrial grade 6000 bit true RMS digital multimeter. It is sturdy and durable, with 6000 bit counting, VFD testing function, LoZ function, full model automatic range, and true RMS testing, ensuring easy application in the industrial and maintenance fields. In addition, it is also suitable for outdoor construction, pipeline inspection, etc. It can be used in conjunction with various applications such as OA office systems, inspection positioning systems, data collection systems, etc. This model is especially suitably used in dangerous environment such as petroleum, chemical, pharmaceutical, oil depot, tank farm as well as the dangerous sites with combustible and explosive gas. It is convenient for users’ timely production dispatching and communication.

Ex-marking:

Ex ib IIB T4 Gb
Certificate NO.:

CE24.7162X
IP Grade:

IP20
Diode testing:

The maximum test current is 0.9mA, and the typical open circuit voltage is 3.2V DC
Continuity check:

When the resistance is less than 50 Ω, the buzzer sounds and the test current is less than 0.35mA
Input impedance:

＞ 10M Ω VDC and ＞ 10M Ω VAC
Communication response:

True effective value
ACV bandwidth:

45Hz~1KHz
Peak factor:

≤ 3 at full scale, up to 45V
Display:

6000 bit counting LCD display
Over range indication:

Display 'OL'
Automatic shutdown:

About 15 minutes, this feature can be disabled
Polarity:

Automatic; The negative sign (-) indicates negative polarity
Measurement rate:

2 times per second, nominal value
Fuse:

MA, μ A range: 0.8A/1000V ceramic fast melting A range; 10A/1000V ceramic rapid melting
Operating environment:

5℃~40℃（41℉~104℉）
Storage environment:

-20℃~60℃（-40℉~140℉）
Working humidity:

The maximum humidity reaches 80% at 31 ℃ (87 ℉) and decreases linearly to 50% at 40 ℃ (104 ℉)
DC voltage:

Range: 60mV, Resolution: 0.01mV/Range: 600mV, Resolution: 0.1mV ± (0.9%+9 digits)
DC voltage:

Range: 6V, Resolution: 0.001V/Range: 45V, Resolution: 0.01V ± (0.5%+5 digits)
AC voltage 45Hz~1KHz:

Range: 60.00mV, Resolution: 0.01mV, Accuracy: ± (0.9%+9 digits)
AC voltage 45Hz~1KHz:

Range: 600mV, Resolution: 0.1mV/Range: 6V, Resolution: 0.001V/Range: 45V, Resolution: 0.01V
Direct current:

Range: 60 μ A, Resolution: 0.01 μ A/Range: 600 μ A, Resolution: 0.1 μ A/Range: 6000 μ A, Resolution: 1 μ A Accuracy: (1.0%+3 digits)
DC circuit:

Range: 6 μ A, Resolution: 0.001A/Range: 10 μ A, Resolution: 0.01A Accuracy: (1.0%+3 digits)
AC current 45Hz~1KHz:

Range: 60 μ A, Resolution: 0.01mA/Range: 600 μ A, Resolution: 0.1 μ A/Range: 6000 μ A, Resolution: 1 μ A Accuracy: ± (1.5%+3 digits)
AC current 45Hz~1KHz:

Range: 6 μ A, Resolution: 0.001mA/Range: 0.5A, Resolution: 0.01A Accuracy: ± (1.5%+3 digits)
Resistance:

Range: 600.0 Ω, Resolution: 0.1 Ω, Accuracy: ± (1.0%+2 digits)
Resistance:

Range: 6K Ω, Resolution: 0.001K Ω/Range: 60K Ω, Resolution: 0.01K Ω/Range: 600K Ω, Resolution: 0.1K Ω Accuracy: ± (0.8%+2 digits)
Resistance:

Range: 6M Ω, Resolution: 0.001M Ω, Accuracy: ± (1.2%+2 digits)
Capacitance:

Range: 99.99 nF, Resolution: 0.01 nF, Accuracy: ± (5.0%+20 digits)
Capacitance:

Range: 999.9nF, Resolution: 0.1nF/Range: 9.999 μ F, Resolution: 0.001 μ F/Range: 99.99 μ F, Resolution: 0.01 μ F/Range: 999.9 μ F, Resolution: 0.1 μ F/Accuracy: ± (4.0%+5 digits)
Capacitance:

Range: 9.999mF, Resolution: 0.001mF/Range: 99.99 mF, Resolution: 0.01mF, Accuracy: ± 10% reading
Frequency (electronic):

Range: 9.999Hz, Resolution: 0.001Hz/Range: 99.99Hz, Resolution: 0.01Hz/Range: 999.9Hz, Resolution: 0.1Hz/Range: 9.999KHz, Resolution: 0.001KHz/Range: 99.99 KHz, Resolution: 0.01KHz/Range: 999.9KHz, Resolution: 0.1KHz/Range: 9.999MHz, Resolution: 0.001MHz, Accuracy: ± (0.1%+4 digits)

Multimeter 87v EX Certificate

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Multimeter 87v EX Certificate

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Multimeter 87v EX Inspection Report

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Multimeter 87v EX

Dorland Industrial Intrinsically Safe Smart Multimeter Multimeter 87v EX

Ex-marking:

Certificate NO.:

IP Grade:

Diode testing:

Continuity check:

Input impedance:

Communication response:

ACV bandwidth:

Peak factor:

Display:

Over range indication:

Automatic shutdown:

Polarity:

Measurement rate:

Fuse:

Operating environment:

Storage environment:

Working humidity:

DC voltage:

DC voltage:

AC voltage 45Hz~1KHz:

AC voltage 45Hz~1KHz:

Direct current:

DC circuit:

AC current 45Hz~1KHz:

AC current 45Hz~1KHz:

Resistance:

Resistance:

Resistance:

Capacitance:

Capacitance:

Capacitance:

Frequency (electronic):