Test voltage / test current
50 V 1-mA @ 50 kΩ
Measuring range	0.01 - 5 MΩ  5 - 50 MΩ  50 - 500 MΩ  500 - 1000 MΩ
Resolution	0.0001 MΩ 0.001 MΩ 0.01 MΩ 0.1 MΩ
Accuracy	± (4 % + 20 digits) ± (4 % + 20 digits) ± (4 % + 20 digits) Not specified
125 V 1-mA @ 125 kΩ
Measuring range	0.01 - 5 MΩ  5 - 50 MΩ  50 - 500 MΩ  500 - 1000 MΩ
Resolution	0.001 MΩ 0.001 MΩ 0.01 MΩ 0.1 MΩ
Accuracy	± (2 % + 20 digits) ± (2 % + 20 digits) ± (3 % + 20 digits) ± (4 % + 20 digits)
250 V 1-mA @ 250 kΩ
Measuring range	0.01 - 5 MΩ  5 - 50 MΩ  50 - 500 MΩ  500 - 1000 MΩ
Resolution	0.0001 MΩ 0.001 MΩ 0.01 MΩ 0.1 MΩ
Accuracy	± (2 % + 20 digits) ± (2 % + 20 digits) ± (3 % + 20 digits) ± (4 % + 20 digits)
500 V 1-mA @ 500 kΩ
Measuring range	0.01 - 5 MΩ  5 - 50 MΩ  50 - 500 MΩ  500 - 1000 MΩ
Resolution	0.0001 MΩ 0.001 MΩ 0.01 MΩ 0.1 MΩ
Accuracy	± (2 % + 20 digits) ± (2 % + 20 digits) ± (3 % + 20 digits) ± (4 % + 20 digits)
1000 V 1-mA @ 1000 kΩ
Measuring range	0.01 - 5 MΩ  5 - 50 MΩ  50 - 500 MΩ  500 - 1000 MΩ
Resolution	0.0001 MΩ 0.001 MΩ 0.01 MΩ 0.1 MΩ
Accuracy	± (2 % + 20 digits) ± (2 % + 20 digits) ± (3 % + 20 digits) ± (4 % + 20 digits)
Short circuit current	<1.5 mA
Multimeter
Measuring parameters
Measuring range	50 mV
Resolution	0.001 mV
Accuracy	± (0.06 % + 20 digits)
DC
Measuring range	500 mV 5 V 50 V 500 V 1000 V
Resolution	0.01 mV 0.0001 V 0.001 V 0.01 V 0.1 V
Accuracy	± (0.06 % + 6 digits) ± (0.06 % + 4 digits) ± (0.06 % + 4 digits) ± (0.06 % + 4 digits) ± (0.06 % + 4 digits) ± (0.1 % + 3 digits)
AC
Measuring range	50 mV
Resolution	0.001 mV
Accuracy	± (1 % + 50 digits)
AC + DC
Measuring range	500 mV
Resolution	0.01 mV
Accuracy	± (1 % + 50 digits)
50 - 1000 Hz
Measuring range	5 V 50 V 500 V 1000 V
Resolution	0.0001 V 0.001 V 0.01 V 0.1 V
Accuracy	± (1 % + 30 digits) ± (1 % + 30 digits) ± (1 % + 30 digits) ± (1 % + 30 digits)
The specified accuracy for alternating voltage refers to 5 - 100% of the measuring range
Direct current
Measuring range	500 µA 5000 µA 50 mA 500 mA 10 A
Resolution	0.01 µA 0.1 µA 0.001 mA 0.01 A 0.001 A
Accuracy	± (1% + 30 digits) ± (1% + 30 digits) ± (1% + 30 digits) ± (1% + 30 digits) ± (1% + 30 digits)
Alternating current
Measuring range	500 µA
Resolution	0.01 µA
Accuracy	± (1 % + 30 digits)
AC + DC
Measuring range	5000 µA
Resolution	0.1 µA
Accuracy	± (1 % + 30 digits)
50 - 1000 Hz
Measuring range	50 mA 500 mA 10 A
Resolution	0.001 mA 0.01 A 0.001 A
Accuracy	± (1 % + 30 digits) ± (1 % + 30 digits) ± (1 % + 30 digits)
The specified accuracy for alternating current refers to 5 - 100% of the measuring range
Resistance
Measuring range	50 Ω 500 Ω 5 kΩ 50 kΩ 500 kΩ 5 MΩ 50 MΩ
Resolution	0.01 Ω 0.1 Ω 0.0001 kΩ 0.001 kΩ 0.01 kΩ 0.0001 MΩ 0.001 MΩ
Accuracy	± (0.2 % + 20 digits) ± (0.1 % + 10 digits) ± (0.1 % + 3 digits) ± (0.1 % + 3 digits) ± (0.1 % + 3 digits) ± (1 % + 10 digits) ± (1.5 % + 50 digits)
Capacitance
Measuring range	50 nF 50 nF 500 nF 5 µF 50 µF 500 µF 5 mF 50 mF
Resolution	0.001 nF 0.01 nF 0.1 nF 0.001 µF 0.01 µF 0.1 µF 0.001 mF 0.01 mF
Accuracy	± (1.5 % + 50 digits) ± (1.5 % + 10 digits) ± (1.5 % + 10 digits) ± (1.5 % + 5 digits) ± (1.5 % + 5 digits) ± (1.5 % + 5 digits) ± (3 % + 30 digits) ± (3 % + 30 digits)
Frequency (Electronics)
Measuring range	50 Hz 500 Hz 5 kHz 50 kHz 500 kHz 5 MHz 50 MHz 100 MHz
Resolution	0.001 Hz 0.01 Hz 0.0001 kHz 0.001 kHz 0.01 kHz 0.0001 MHz 0.001 MHz 0.01 MHz
Accuracy	± (0.02 % + 3 digits) ± (0.02 % + 3 digits) ± (0.02 % + 3 digits) ± (0.02 % + 3 digits) ± (0.02 % + 3 digits) ± (0.02 % + 3 digits) ± (0.02 % + 3 digits) Not specified
Sensitivity: 0.8 VRMS min @ 20% - 80% duty cycle <100 kHz 5 V RMS min @ 20% - 80%> 100 kHz
Frequency (Electronics)
Measuring range	40 Hz - 10 kHz
Resolution	0.01 1 Hz - 0.001 kHz
Accuracy	± (0.1 %)
Duty Cycle
Measuring range	0.1 - 99.9%
Resolution	0.01%
Accuracy	± (1.2 % + 2 digits)
Pulse width	100 µS - 100 ms Frequency: 5 Hz - 150 kHz
Temperature / Type K Thermoelement
Measuring range	-58 - 2462 °F / -50 - 13350 °C
Resolution	0.1 °F / 0.1 °C
Accuracy	± (0.5 % + 7 °F) / ± (0.5 % + 3.5 °C)
4 - 20 mA %
Measuring range	-25 - 125%
Resolution	0.01%
Accuracy	± 50 digits
Resistance 50 Ω range
Measuring range	50 Ω 500 Ω
Resolution	0.001 Ω 0.01 Ω
Accuracy	± (1 % + 20 digits) ± (1 % + 20 digits)
Open circuit voltage: 5V; Overload protection 250V
General information
Memory	9999 memory points
Housing	Double moulded housing, IP67 (waterproof and dustproof)
Drop test	2 m / 6ft, 6in
Diode test	Test current 0.9-mA Open circuit voltage 2.8-mA
Continuity test	Acoustic signal at resistance < 35 Ω / Test current < 0.35-mA
Peak detection	> 1ms
Temperature sensor	Thermoelement Type K
Input impedance	DC > 10 MΩ AC > 9 MΩ
AC coupling	TRMS
Bandwidth AC voltage	50 Hz - 1 kHz
Crest factor	<3 at 500 V < 1.5 at 1000 V
Display	50000 digit LCD illuminated with bargraph
Automatic shutdown	after 15 minutes
Measurement rate / update display	10 Hz
Power supply	6 x 1.5V AA batteries
Interface	Wireless USB
Fuses	mA,µA: 0.5 A / 1000 V fast ceramic A: 10 A / 1000 V fast ceramic
Operating conditions	5 - 40 °C / 41 - 104 °F max. 80% r.H.
Storage conditions	-20 - 60 °C / -4 - 140 °F max. 80% r.H.
Operating altitude	Max. 2000 m / 6561 feet
Weight	Ca. 720 g / 1.6 lbs
Dimensions	220 x 95 x 50 mm / 8.6 x 3.7 x 1.9
Safety standards	EN61010-1 IEC 61010-1 Part 2 (2001) CAT IV 600V, CAT III 1000V UL 61010-1 Part 2 (2004) CAN/CSA C22.2 No 6110-1 Parte 2 (2004) UL 61010B-2-031 Part 1 (2003)

 

The ammeter is a fundamental tool for measuring electric current in a circuit and ensuring the proper functioning of electrical systems. This versatile device, such as the PCE-ITM 20, integrates an insulation tester and an ammeter, allowing tests of voltages up to 1000V. Thanks to its numerous functions, the ammeter is suitable for a variety of applications across different sectors, including industrial, commercial, and residential.

 

The PCE-ITM 20 ammeter is designed to measure various electrical parameters, including voltage, current, and resistance. This advanced tool is also capable of measuring frequency and capacitance, thereby expanding the possibilities for analysis and diagnosis. It comes with a thermocouple, allowing for temperature measurements, making it particularly useful in applications where both electrical and thermal parameters need to be monitored.

 

The operation of the ammeter is simple and intuitive, with an automatic range selection that optimizes work and ensures quick and safe results. The large LCD display provides clear visibility of values, facilitating use in low-light conditions or tight spaces. This feature is especially beneficial for electricians and technicians working in complex environments who require immediate and precise data readings.

 

In addition to measuring current and voltage, the ammeter can measure insulation resistances up to 5000 MΩ (5 GΩ) using test voltages up to 1000V. This function is essential for ensuring that electrical systems are defect-free and capable of operating safely. It directly measures crucial parameters such as the Polarization Index (PI) and Dielectric Absorption Ratio (DAR), allowing for quick analysis of the insulation value of tested components. These parameters are fundamental for assessing the health of installations and preventing failures that could compromise operator safety.

 

In addition to these functions, the device is equipped with internal memory, allowing for easy saving and retrieval of measured values. This functionality is particularly useful for tracking results over time, facilitating documentation and validation of the measurements taken. The Hold function allows users to freeze the displayed value on the screen, further aiding in the analysis and recording of data.

 

The robustness of the ammeter is another strength. Built to meet rigorous standards such as IEC 1010, CAT III 1000V, and CAT IV 600V, this device offers a high degree of safety, making it suitable for use in complex and potentially hazardous work environments. Additionally, its water and dust resistance, with an IP67 protection rating, ensures that the ammeter can operate in challenging environmental conditions, contributing to sustained high performance and reliability over time.

 

In summary, the PCE-ITM 20 ammeter establishes itself as an indispensable tool for professionals and technicians, helping to ensure the safety and reliability of electrical installations. With its versatility, robustness, and ability to provide precise measurements, it represents an ideal solution for those needing to conduct tests and maintenance on electrical systems. Each function is designed with attention to user needs, resulting in improved operational efficiency and the protection of electrical systems. Furthermore, the ammeter not only ensures compliance with safety standards but also contributes to the protection of operators and the safeguarding of electrical infrastructures. Investing in a quality ammeter like the PCE-ITM 20 is a strategic choice for any company or professional in the sector, as it guarantees superior performance and peace of mind in daily work.

 

- Automatic range selection
- Capacitance measurement
- Integrated isolation tester
- Large LCD display, backlight
- Internal memory
- Hold Function
- To IEC 1010, CAT III 1000 V, CAT IV 600 V
- Frequency measurement 

 

1 x Voltmeter PCE-ITM 20
1 x Pair of test leads
1 x Crocodile clip with wire
1 x Adapter for thermoelement
1 x Thermoelement Type K
6 x 1.5V AA batteries
1 x Wireless USB Adapter
1 x User manual