Contact Us


Join our Mailing List

AC Current Probe Model MD304 (Refurbished)

The MD304 is a high accuracy 100:1 ratio probe to 600A. It has excellent frequency and phase shift characteristics. Output termination is double insulated 5ft lead with safety banana plugs.
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
MD304 (Refurbished) 901.1201.37 AC Current Probe Model MD304 (refurbished) Allow up to 72 hours for shipping $315.00
Sale: $78.75
ModelMD304 (Refurbished)
Cat. #901.1201.37
DescriptionAC Current Probe Model MD304 (refurbished) Allow up to 72 hours for shipping
List Price$315.00
Sale: $78.75
Maximum Conductor Size Cable 1.18" (30mm), bus bar 2.48x0.19” (63 x 5mm), dual cable 0.98” (25mm)
Current Range 600AAC
Measurement Range 1 to 600AAC
Output Signal 10mAAC / AAC (6AAC @ 600AAC)
Transformation Ratio 100:1
Output Insulated 5ft (1.5m) lead with safety 4mm banana plugs
Accuracy 50/60 Hz 3%  @ 600A
Frequency Range 48Hz to 1KHz
Phase Shift
Load Impedance 0.1Ω max
Overload 700A for 10 min
Operating Temperature -5° to +122°F (-15° to +50°C)
Storage Temperature -40° to +185°F (-40° to +85°C)
Dimensions 2.6 x 7.68 x 1.34” (66 x 195 x 34mm)
Weight 14.82 oz (420g)
Pollution Degree 2
Rating UL 94 V0
Ingress Protection IP 20
EMC EN 50081-1 Class B, EN 50082-2, IEC 1000-4-2
Safety Compliance EN 61010-2-32, 600V CAT III, 300V CAT IV