Kelvin Probes
Quantify changes in contact surface potential or work function difference of the Kelvin 'Junction' measuring the flow of charge from one material to another.
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Product
Standard 0.39 (11.00) - 1.39 (39.00) Non Replaceable General Purpose Probe
MEP-20G
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Current Rating (Amps): 2Average Probe Resistance (mOhm): 50Test Center (mil): 25Test Center (mm): 0.635Full Travel (mil): 75Full Travel (mm): 1.91Recommended Travel (mil): 50Recommended Travel (mm): 1.27Mechanical Life (no of cyles): 1,000,000Overall Length (mil): 750Overall Length (mm): 19.05Rec. Mounting Hole Size (mil): 20.5Rec. Mounting Hole Size (mm): 0.52Rec. Mounting Hole Remark: 20.5 to 21.5 mil / 0.52 to 0.55 mmRecommended Drill Size: #75 or 0.52 mm
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Product
High 3.12 (88.00) - 8.00 (227.00) High Performance Lead Free Probe
LFRE-72T20-8
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Current Rating (Amps): 3Average Probe Resistance (mOhm): 15Test Center (mil): 50Test Center (mm): 1.27Full Travel (mil): 250Full Travel (mm): 6.35Recommended Travel (mil): 167Recommended Travel (mm): 4.24Mechanical Life (no of cycles): 500,000Overall Length (mil): 1,700Overall Length (mm): 43.18
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Product
A-S General Purpose Probes
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Current Rating (Amps): 2Average DC Resistance lower than (mOhm): 30Test Center (mil): 50Test Center (mm): 1.27Full Travel (mil): 30Full Travel (mm): 0.76Recommended Travel (mil): 20Recommended Travel (mm): 0.51Overall Length (mil): 230Overall Length (mm): 5.84Rec. Mounting Hole Size (mil): 38Rec. Mounting Hole Size (mm): 0.97Recommended Drill Size: #62 or 0.97 mm
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Product
Standard 1.00 (28.00) - 3.20 (91.00) General Purpose Probe
P2550-0
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Current Rating (Amps): 5Average DC Resistance lower than (mOhm): 30Test Center (mil): 187Test Center (mm): 4.75Full Travel (mil): 250Full Travel (mm): 6.35Recommended Travel (mil): 167Recommended Travel (mm): 4.24Overall Length (mil): 1,453Overall Length (mm): 36.91Rec. Mounting Hole Size (mil): 126Rec. Mounting Hole Size (mm): 3.20Recommended Drill Size: #30 or 3.20 mm
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Product
Elevated 1.68 (48.00) - 7.00 (198.00) High Performance Lead Free Probe
LFRE-1Z1-7
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Current Rating (Amps): 6Average Probe Resistance (mOhm): 10Test Center (mil): 75Test Center (mm): 1.91Full Travel (mil): 250Full Travel (mm): 6.35Recommended Travel (mil): 167Recommended Travel (mm): 4.24Mechanical Life (no of cycles): 500,000Mechanical Life Remark: *Ultra High force products may observe slight decrease in cycle life.Overall Length (mil): 1,300Overall Length (mm): 33.02
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Product
Light 0.83 (24.00) - 2.00 (57.00) High Performance Lead Free Probe
LFRE-1L18-2
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Current Rating (Amps): 6Average Probe Resistance (mOhm): 10Test Center (mil): 75Test Center (mm): 1.91Full Travel (mil): 250Full Travel (mm): 6.35Recommended Travel (mil): 167Recommended Travel (mm): 4.24Mechanical Life (no of cycles): 500,000Mechanical Life Remark: *Ultra High force products may observe slight decrease in cycle life.Overall Length (mil): 1,300Overall Length (mm): 33.02
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Product
Light 0.83 (24.00) - 2.00 (57.00) High Performance Bias Ball Probe
POGO-1H-2
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Current Rating (Amps): 6Average Probe Resistance (mOhm): 10Test Center (mil): 75Test Center (mm): 1.91Full Travel (mil): 250Full Travel (mm): 6.35Recommended Travel (mil): 167Recommended Travel (mm): 4.24Mechanical Life (no of cycles): 1,000,000Overall Length (mil): 1,300Overall Length (mm): 33.02
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Product
Standard 1.10 (31.00) - 2.50 (71.00) General Purpose Probe
HPA-1G
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Current Rating (Amps): 3Average Probe Resistance (mOhm): 35Test Center (mil): 75Test Center (mm): 1.91Full Travel (mil): 100Full Travel (mm): 2.54Recommended Travel (mil): 67Recommended Travel (mm): 1.70Mechanical Life (no of cyles): 1,000,000Overall Length (mil): 655Overall Length (mm): 16.64
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Product
Ultra High 2.84 (81.00) - 10.00 (283.00) High Performance Bias Ball Probe
POGO-1T24-10
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Current Rating (Amps): 6Average Probe Resistance (mOhm): 10Test Center (mil): 75Test Center (mm): 1.91Full Travel (mil): 250Full Travel (mm): 6.35Recommended Travel (mil): 167Recommended Travel (mm): 4.24Mechanical Life (no of cycles): 1,000,000Overall Length (mil): 1,300Overall Length (mm): 33.02
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Product
High 1.73 (49.00) - 8.00 (227.00) High Performance Bias Ball Probe
POGO-1V-8
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Current Rating (Amps): 6Average Probe Resistance (mOhm): 10Test Center (mil): 75Test Center (mm): 1.91Full Travel (mil): 250Full Travel (mm): 6.35Recommended Travel (mil): 167Recommended Travel (mm): 4.24Mechanical Life (no of cycles): 1,000,000Overall Length (mil): 1,300Overall Length (mm): 33.02
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Product
Standard 2.00 (57.00) - 3.60 (102.00) General Purpose Probe
P2664G-1W1S
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Current Rating (Amps): 5Average DC Resistance lower than (mOhm): 10Test Center (mil): 100Test Center (mm): 2.54Full Travel (mil): 114Full Travel (mm): 2.90Recommended Travel (mil): 84Recommended Travel (mm): 2.13Overall Length (mil): 895Overall Length (mm): 22.73Overall Length Remark: Tip 1C: 845 mil (21.46 mm) Tip 2R: 935 mil (23.75 mm)
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Product
High 2.84 (81.00) - 8.00 (227.00) Bead Probe
BTP-25C-8
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Current Rating (Amps): 8Average Probe Resistance (mOhm): 8Test Center (mil): 100Test Center (mm): 2.54Full Travel (mil): 250Full Travel (mm): 6.35Recommended Travel (mil): 167Recommended Travel (mm): 4.24Mechanical Life (no of cycles): 500,000Overall Length (mil): 1,300Overall Length (mm): 33.02
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Product
Standard 1.10 (31.18) - 4.80 (136.00) Switch Probe
TSP100-H180-1
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Current Rating (Amps): 5Average DC Resistance lower than (mOhm): 20Test Center (mil): 100Test Center (mm): 2.54Full Travel (mil): 197Full Travel (mm): 5.00Recommended Travel (mil): 157Recommended Travel (mm): 4.00Overall Length (mil): 1,990Overall Length (mm): 50.60Switch Point (mil): 59Switch Point (mm): 1.50
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Product
Standard 1.50 (43.00) - 4.00 (113.00) High Performance Lead Free Probe
LFRE-25T1-4
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Current Rating (Amps): 8Average Probe Resistance (mOhm): 8Test Center (mil): 100Test Center (mm): 2.54Full Travel (mil): 250Full Travel (mm): 6.35Recommended Travel (mil): 167Recommended Travel (mm): 4.24Mechanical Life (no of cycles): 1,000,000Overall Length (mil): 1,300Overall Length (mm): 33.02
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Product
AC / DC Current Probe, 100 KHz, 100 A
1146B
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The Keysight 1146B AC / DC probe provides accurate display and measurement of currents up to 100 A DC or peak AC / DC to 100 kHz without breaking the circuit. The 1146B AC / DC probe has hall-effect sensor technology to measure AC and DC signals. It is compatible with any Keysight oscilloscope with 0.2 to 0.5 V / div sensitivity and 1 MΩ BNC input.
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Product
Threaded Pneumatic & Pneumatic Switch Probes
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Narrow place solution - high flexibility - great solution - cost effective.
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Product
Standard 0.62 (18.00) - 4.00 (114.00) High Performance Lead Free Probe
LFRE-1J-4
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Current Rating (Amps): 6Average Probe Resistance (mOhm): 10Test Center (mil): 75Test Center (mm): 1.91Full Travel (mil): 250Full Travel (mm): 6.35Recommended Travel (mil): 167Recommended Travel (mm): 4.24Mechanical Life (no of cycles): 500,000Mechanical Life Remark: *Ultra High force products may observe slight decrease in cycle life.Overall Length (mil): 1,300Overall Length (mm): 33.02
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Product
High 2.84 (81.00) - 8.00 (227.00) High Performance Lead Free Probe
LFRE-25I35-8
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Current Rating (Amps): 8Average Probe Resistance (mOhm): 8Test Center (mil): 100Test Center (mm): 2.54Full Travel (mil): 250Full Travel (mm): 6.35Recommended Travel (mil): 167Recommended Travel (mm): 4.24Mechanical Life (no of cycles): 1,000,000Overall Length (mil): 1,300Overall Length (mm): 33.02
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Product
Elevated 1.68 (48.00) - 7.00 (198.00) High Performance Bias Ball Probe
POGO-1T1-7
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Current Rating (Amps): 6Average Probe Resistance (mOhm): 10Test Center (mil): 75Test Center (mm): 1.91Full Travel (mil): 250Full Travel (mm): 6.35Recommended Travel (mil): 167Recommended Travel (mm): 4.24Mechanical Life (no of cycles): 1,000,000Overall Length (mil): 1,300Overall Length (mm): 33.02
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Product
Light 0.75 (21.00) - 2.00 (57.00) High Performance Lead Free Probe
LFRE-25H-2
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Current Rating (Amps): 8Average Probe Resistance (mOhm): 8Test Center (mil): 100Test Center (mm): 2.54Full Travel (mil): 250Full Travel (mm): 6.35Recommended Travel (mil): 167Recommended Travel (mm): 4.24Mechanical Life (no of cycles): 1,000,000Overall Length (mil): 1,300Overall Length (mm): 33.02
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Product
Alternate 24.00 (680.00) - 96.00 (2722.00) Godzilla High Current Probe
HC375F-6
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Current Rating (Amps): 100Average Probe Resistance (mOhm): 25Test Center (mil): For more details, please contact us.Test Center (mm): For more details, please contact us.Full Travel (mil): 360Full Travel (mm): 9.14Recommended Travel (mil): 250Recommended Travel (mm): 6.35Overall Length (mil): 3,110Overall Length (mm): 78.99
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Product
Standard 1.00 (28.00) - 2.75 (78.00) Non Replaceable General Purpose Probe
E-S-V
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Current Rating (Amps): 5Average DC Resistance lower than (mOhm): 30Test Center (mil): 100Test Center (mm): 2.54Full Travel (mil): 65Full Travel (mm): 1.65Recommended Travel (mil): 43Recommended Travel (mm): 1.09Overall Length (mil): 495Overall Length (mm): 12.57Rec. Mounting Hole Size (mil): 67Rec. Mounting Hole Size (mm): 1.70Recommended Drill Size: #51Overall Length Remark: Overall length for E-S-V and E-S-W is .540 (13.72)
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Product
Standard 1.08 (31.00) - 3.50 (99.00) General Purpose Probe
EPA-2B40
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Current Rating (Amps): 5Average Probe Resistance (mOhm): 35Test Center (mil): 100Test Center (mm): 2.54Full Travel (mil): 160Full Travel (mm): 4.06Recommended Travel (mil): 107Recommended Travel (mm): 2.72Mechanical Life (no of cyles): 2,000,000Overall Length (mil): 970Overall Length (mm): 24.64
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Product
Standard 1.10 (31.00) - 3.85 (109.00)General Purpose Probe
SPA-64-4
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Current Rating (Amps): 3Average Probe Resistance (mOhm): 50Test Center (mil): 100Test Center (mm): 2.54Test Center Remark: max. test center 187 mil / 4,74 mmFull Travel (mil): 50Full Travel (mm): 1.27Recommended Travel (mil): 50Recommended Travel (mm): 1.27Mechanical Life (no of cyles): 1,000,000Overall Length (mil): 375Overall Length (mm): 9.53Overall Length Remark: Exact length depends on selected tip: Tip 1,4, 7: 0,375″; Tip 2,3: 0,365″; Tip 8: 0,385″; Tip ,9,10: 0,363″
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Product
Alternate 3.50 (99.00) - 6.85 (194.00) General Purpose Probe
P2757G-1W2S
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Current Rating (Amps): 20Average DC Resistance lower than (mOhm): 10Test Center (mil): 187Test Center (mm): 4.75Full Travel (mil): 230Full Travel (mm): 5.84Recommended Travel (mil): 167Recommended Travel (mm): 4.24Overall Length (mil): 1,210Overall Length (mm): 30.73Overall Length Remark: Tip 2C: 1140 mil (28.96 mm) Tip 1W: 1205 mil (30.61 mm) Tip 2W: 1205 mil (30.61 mm)
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Product
Elevated 1.68 (48.00) - 7.00 (198.00) High Performance Bias Ball Probe
POGO-1T24-7-S
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Current Rating (Amps): 6Average Probe Resistance (mOhm): 10Test Center (mil): 75Test Center (mm): 1.91Full Travel (mil): 250Full Travel (mm): 6.35Recommended Travel (mil): 167Recommended Travel (mm): 4.24Mechanical Life (no of cycles): 1,000,000Overall Length (mil): 1,300Overall Length (mm): 33.02
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Product
Alternate 2.39 (68.00) - 6.00 (170.00) High Performance Bias Ball Probe
POGO-1L18-6-S
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Current Rating (Amps): 6Average Probe Resistance (mOhm): 10Test Center (mil): 75Test Center (mm): 1.91Full Travel (mil): 250Full Travel (mm): 6.35Recommended Travel (mil): 167Recommended Travel (mm): 4.24Mechanical Life (no of cycles): 1,000,000Overall Length (mil): 1,300Overall Length (mm): 33.02
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Product
Standard 1.68 (48.00) - 3.20 (91.00) General Purpose Probe
HPA-52D
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Current Rating (Amps): 3Average Probe Resistance (mOhm): 15Test Center (mil): 75Test Center (mm): 1.91Full Travel (mil): 75Full Travel (mm): 1.91Recommended Travel (mil): 75Recommended Travel (mm): 1.91Mechanical Life (no of cyles): 250,000Overall Length (mil): 629Overall Length (mm): 15.98
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Product
Super 3.90 (111.00) - 16.00 (454.00) High Performance Lead Free Probe
LFRE-25V-16
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Current Rating (Amps): 8Average Probe Resistance (mOhm): 8Test Center (mil): 100Test Center (mm): 2.54Full Travel (mil): 250Full Travel (mm): 6.35Recommended Travel (mil): 167Recommended Travel (mm): 4.24Mechanical Life (no of cycles): 1,000,000Overall Length (mil): 1,300Overall Length (mm): 33.02
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Product
Probes
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Sper Scientific portfolio of probes provides the right solution for your testing needs, backed by years of product innovation and technical support. All of our probes are designed to meet the accuracy, ease of use, durability and flexibility for your water quality testing needs.





























