ITM 20 - Multimeter PCE Instruments - Free user manual and instructions
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| Product Type | Digital Multimeter |
| Brand | PCE Instruments |
| Model | ITM 20 |
| Category | Multimeter |
| Dimensions (approx.) | 150 x 70 x 30 mm |
| Weight (approx.) | 300 g |
| Power Supply | 9 V block battery (6F22) |
| Display Type | LCD, 3 1/2 digits (2000 counts) |
| DC Voltage Range | 200 mV to 600 V |
| AC Voltage Range | 200 V to 600 V |
| DC Current Range | 200 µA to 10 A |
| Resistance Range | 200 Ω to 20 MΩ |
| Additional Functions | Continuity test, diode test, transistor test (hFE) |
| Safety Rating | CAT III 600 V |
| Overload Protection | fuse for current ranges, PTC for resistance |
| Operating Temperature | 0 °C to 40 °C |
| Storage Temperature | -10 °C to 50 °C |
| Cleaning | Wipe with a dry, soft cloth; do not use solvents |
| Spare Parts / Repairability | Replacement test leads, fuses, battery; service by qualified personnel |
| Accessories Included | Test leads, temperature probe (type K), carrying case, manual |
Frequently Asked Questions - ITM 20 PCE Instruments
How do I measure DC voltage with the ITM 20?
Set the rotary switch to the DC voltage range (V with straight line). Connect the red probe to the V/Ω jack and the black probe to the COM jack. Touch the probes to the circuit and read the display.
What does the continuity beep indicate?
The multimeter emits a continuous beep when the resistance between the probes is less than about 30 Ω, indicating a closed circuit or low resistance.
How do I replace the battery?
Turn off the meter and disconnect test leads. Remove the screw on the back cover and lift the battery compartment. Replace the 9V battery (6F22) and close the cover securely.
Can I measure AC current with this meter?
Yes, but only up to 2000 µA AC. For higher AC currents, a clamp accessory is recommended. Refer to the manual for details.
What does the 'HOLD' button do?
The HOLD button freezes the current reading on the display so you can view it after removing the probes. Press again to release.
Is the ITM 20 safe for industrial use?
The meter is rated CAT III 600 V, making it suitable for most industrial and household measurements. Always follow safety guidelines and use correct probes.
How do I test a diode?
Set the rotary switch to the diode symbol (→→). Connect the red probe to the anode and black to the cathode. The display shows the forward voltage drop; a good diode reads 0.5-0.8 V.
What is the maximum input voltage?
The maximum safe voltage is 600 V AC/DC. Exceeding this can damage the meter and cause injury.
Why does the meter show '1' on some ranges?
A '1' displayed on the leftmost digit indicates an overload (the measurement exceeds the selected range). Switch to a higher range to get a proper reading.
How do I clean the multimeter?
Use a dry, soft cloth to wipe the casing. For tough stains, dampen the cloth slightly with water. Do not use solvents or immerse the meter in liquid.
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USER MANUAL ITM 20 PCE Instruments
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Product information
Brand : PCE Instruments
Model : ITM 20
Category : Multimeter