The Fluke 3310-PR and 3312-PR Current Probes (“the Probe”) are ac current probes utilizing the Rogowski principle. They can be used with the Fluke 1750 to measure current from very low frequencies up to 15 kHz. The flexible and lightweight measuring head allows quick and easy installation in hard to reach areas and with large conductors. The Probes are designed for use with the Fluke 1750 Power Recorder. Specifications Electrical Characteristics Output Sensitivity @ 60 Hz (@ output of the integrator) 0.4 mV/A Accuracy (@ 25 °C) ± 1 % of reading Linearity (10 % to 100 % of range) ± 0.2 % of reading Temperature Coefficient ± 0.05 % of reading per °C Position Sensitivity (with cable > 25 mm from the coupling) ± 2 % of reading External Field (with cable > 200 mm from the head) ± 1 % of reading Working Voltage (see Safety Standards) 1000 V ac rms or dc 3310-PR/3312-PR English Instruction Sheet Page 4 General Characteristics Probe and Cable Material Alcryn 2070NC, reinforced insulation, UL94 V0, Color: RED Couplings Material Lati Latamid 6H-V0 Nylon Probe Cable Length 24 in. (610 mm) 3310-PR 48 in. (1220 mm) 3312-PR Probe Cable Diameter 0.49 in. (12.4 mm) Transducer Bend Radius (min) 1.5 in. (38.1 mm) Output Cable 2 core screened, 3 meters long Output Connector LEMO 6 pin male connector Operating Temperature Range -4 to +194 °F (-20 to +90 °C) Storage Temperature Range -40 to 221 °F (-40 to +105 °C) Operating Humidity 15 % to 85 % (non condensing) Degree of protection IP40 Safety Standards EN/IEC 61010-1 2001 EN/IEC 61010-032 Pollution Degree 2 Use of the probe on uninsulated conductors is limited to 1000 V ac rms or dc and frequencies below 1 kHz. Please note that the safety rating for the output to ground is limited to 30 V ac rms or dc by the connector specified.