RS PRO IDM66RT Handheld Digital Multimeter, True RMS, 10A ac Max, 10A dc Max, 1000V ac Max - UKAS Calibrated

RS Stock No.:: 123-3408
Brand:: RS PRO

RS PRO IDM66RT Handheld Digital Multimeter, True RMS, 10A ac Max, 10A dc Max, 1000V ac Max - UKAS Calibrated

Subtotal (1 unit)*

£241.50

(exc. VAT)

£289.80

(inc. VAT)

FREE delivery for orders over £50.00

In Stock

Plus 85 unit(s) shipping from 08 September 2025
Plus 999,999,914 unit(s) shipping from 23 March 2026

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit
1 +	£241.50

*price indicative

RS Stock No.:: 123-3408
Brand:: RS PRO

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	RS PRO
	Multimeter Type	Handheld
	Model Number p	IDM66RT
	Display Type	Digital
	Calibrated	UKAS
	Functions Measured	AC Current, AC Voltage, Capacitance, DC Current, DC Voltage, Frequency, Resistance, Temperature
	Absolute Maximum AC Voltage Measurement	1000V ac
	Absolute Maximum DC Voltage Measurement	1000V dc
	Absolute Maximum AC Current Measurement	10A ac
	Absolute Maximum DC Current Measurement	10A dc
	Absolute Maximum Resistance Measurement	40MΩ
	True RMS	Yes
	Absolute Maximum Capacitance Measurement	10mF
	Absolute Maximum Temperature Measurement	+400 °C, +752°F
	Maximum Frequency	500Hz
	DC Current Measurement Resolution	0.001A dc
	AC Current Measurement Resolution	0.001A ac
	AC Voltage Measurement Resolution	1mV ac
	DC Voltage Measurement Resolution	0.01mV dc
	Resistance Measurement Resolution	100mΩ
	Temperature Measurement Resolution	0.1 °F, 0.1°C
	Safety Category Level	CAT III
	Capacitance Measurement Resolution	0.01nF
	Maximum Operating Temperature	+50°C
	Best Resistance Measurement Accuracy	±0.8% + 2 Digits
	Battery Type	AAA 1.5 V, AM4, IEC LR03
	Safety Category Voltage	600V
	Best DC Current Accuracy	±1% + 2 Digits
	Weight	250 (With Battery)g
	Height	156mm
	Minimum Operating Temperature	-10°C
	Best Capacitance Measurement Accuracy	±1.9% + 8 Digits
	Length	74mm
	Width	44mm
	Best AC Current Accuracy	±1.5% + 5 Digits
	Best AC Voltage Accuracy	±1% + 5 Digits
	Best Temperature Measurement Accuracy	±1 % + 10 Digits
	Dimensions	74 x 44 x 156mm
	Best DC Voltage Accuracy	±0.5% + 2 Digits

	Select all
	Brand RS PRO
	Multimeter Type Handheld
	Model Number p IDM66RT
	Display Type Digital
	Calibrated UKAS
	Functions Measured AC Current, AC Voltage, Capacitance, DC Current, DC Voltage, Frequency, Resistance, Temperature
	Absolute Maximum AC Voltage Measurement 1000V ac
	Absolute Maximum DC Voltage Measurement 1000V dc
	Absolute Maximum AC Current Measurement 10A ac
	Absolute Maximum DC Current Measurement 10A dc
	Absolute Maximum Resistance Measurement 40MΩ
	True RMS Yes
	Absolute Maximum Capacitance Measurement 10mF
	Absolute Maximum Temperature Measurement +400 °C, +752°F
	Maximum Frequency 500Hz
	DC Current Measurement Resolution 0.001A dc
	AC Current Measurement Resolution 0.001A ac
	AC Voltage Measurement Resolution 1mV ac
	DC Voltage Measurement Resolution 0.01mV dc
	Resistance Measurement Resolution 100mΩ
	Temperature Measurement Resolution 0.1 °F, 0.1°C
	Safety Category Level CAT III
	Capacitance Measurement Resolution 0.01nF
	Maximum Operating Temperature +50°C
	Best Resistance Measurement Accuracy ±0.8% + 2 Digits
	Battery Type AAA 1.5 V, AM4, IEC LR03
	Safety Category Voltage 600V
	Best DC Current Accuracy ±1% + 2 Digits
	Weight 250 (With Battery)g
	Height 156mm
	Minimum Operating Temperature -10°C
	Best Capacitance Measurement Accuracy ±1.9% + 8 Digits
	Length 74mm
	Width 44mm
	Best AC Current Accuracy ±1.5% + 5 Digits
	Best AC Voltage Accuracy ±1% + 5 Digits
	Best Temperature Measurement Accuracy ±1 % + 10 Digits
	Dimensions 74 x 44 x 156mm
	Best DC Voltage Accuracy ±0.5% + 2 Digits

RS PRO IDM66RT Digital Multimeter

RS PRO IDM66RT Digital Multimeter is a handheld device which can measure capacitance, voltage, electrical current and resistance with diode and continuity check. This meter has an LCD display where the measurement readouts can be viewed and, offers precision, reliability and ease of use.

The multimeter is the ideal choice for troubleshooting and repairing all your electrical and electronic systems. This True RMS digital multimeter that ensures accurate results even when testing on irregular AC circuits.

RS PRO has a range of digital multimeters which are great value for money and also high quality you can rely on.

Features and Benefits

• Display: 6000 Counts
• Electrical Specifications:
• AC Function: AC V and AC A specifications are ac coupled, true RMS
• Crest factor may be up to 3.0 as 4000 Counts
• AC-DC Voltage up to 1000 V
• AC-DC Current up to 10 A
• Resistance
• Continuity
• Diode
• Capacitance up to 10 mF
• Temperature up to 400°C
• Frequency up to 100 kHz
• Peak Hold
• VoltSense™
• Low batteries indication
• Pollution Degree: 2
• Dimensions (W x H x D): 74 x 156 x 44 mm

Design Features

The RS PRO IDM66RT is designed with soft grips for better user experience and convenience, also include a built-in smart tilt stand, a nail hook and convenient test lead storage.

Ergonomics

• Slim shape design one hand operated knob and buttons
• Fit the palm of your hand perfectly

What does it measure?
DC and AC Voltages
AC and DC Current
Resistance and continuity tester
Diode function
Frequency
Temperature
Capacitance

Typical Applications:
A digital multimeter (DMM) is a handy test tool that measures electrical values such as voltage, current, and resistance. A DMM is used by technicians in the following areas:
Electrical and electronic industries

Safety guidelines
When using any electrical test equipment it is advised that you refer to the user’s manual for proper working operating procedures and safety precautions in order to avoid potential safety hazards.

VoltSense™

RS PRO IDM66RT digital multimeter has a VoltSense™ feature to detect live cable and outlet without contact.

FAQ’s

Q: Can I use this to test if a fuse is good or bad?
A: Yes, you can check a fuse functionality via a continuity test.

Q: Is this multimeter suitable for automotive use?
A: Yes, this multimeter is perfect for automotive applications and much more.

Why RS PRO?

RS PRO is the own brand of RS. The RS PRO Seal of Approval is your assurance of professional quality, a guarantee that every part is rigorously tested, inspected, and audited against demanding standards. Making RS PRO the Smart Choice for our customers.