Contact Us


Join our Mailing List

AC/DC Current Probe Model MR525

The MR525 is a hall effect current probe with a single range designed for DMM, Data loggers and Power Analyzers. The probe has a 5 ft (1.5m) lead terminated by 4mm safety banana plugs and can measure up to 1000AAC and 1400ADC. The probe is powered by a 9V battery or by a standard 5V external power supply via a micro-USB connector (not supplied).

NOTE: Our complete catalog is not available for direct online purchase, refer to the Status Column for purchasing options. Items that do not have an Add to Cart button must be purchased from an Authorized Distributor.
Model Cat. # Description List Price Quantity/Status Distributor Stock Check
MR525 1200.81 AC/DC Current Probe Model MR525 (Replaces Cat # 1200.71 - Model MR520) $329.00
Cat. #1200.81
DescriptionAC/DC Current Probe Model MR525 (Replaces Cat # 1200.71 - Model MR520)
List Price$329.00
Maximum Conductor Size Cables: One 1.5” (39mm) or two 1” (25.4mm)
Bus Bar: One 1.97 x .49” (50 x 12.5mm) or two 0.98 x 0.2” (25 x 5mm); 1.24” x .30” (31.5 x 10mm) or three 0.98” x 0.31” (25 x 8mm)
Current Range 0.5 to 1000AAC, 1400ADC,
Output Signal 1mV/A via a 5 ft (1.5m) lead with 4 mm safety banana plugs
Accuracy 50/60Hz ≤2.5% @ 800A
Frequency Range DC to 30kHz (-3dB) (depending of current value)
Phase Shift At 50Hz ≤1.5°@ 800A
Load Impedance >1M‚Ą¶ and ≤100pF
Overload 3000ADC or 1000AAC continuous for < 1kHz
Zero Adjust Automatic on both ranges
Power Supply 9V alkaline Battery (NEDA 1060A, 6LR61) or 5V DC Micro-USB type B
Battery Life 50H typical
Low Battery Indication Green LED blinking
Overload Indication Red LED on when measurement > than selected range
Dimensions  (H x W x D) 9.31 x 3.82 x 1.73” (236.5 x 97 x 44mm)
Weight (with Battery) 1.15lbs (520g)
Operating Temperature 14° to +131°F (-10 to +55°C)
Storage Temperature -40° to +176°F  (-40 to +80°C)
Relative Humidity Up to 85% @ 35°C
Ingress Protection (Ip) IP 40
EMC EN 61326-1
Safety Compliance IEC 61010-1, EN 61010-2-32, Pollution Degree 2, 600V CAT III Electric CE certification mark