Hioki Clamp ON AC/DC Sensor CT9691, CT9691-90

DC to 10 kHz/100A AC/DC Clamp On Current Probe

Hioki AC/DC clamp sensors are best-in-class current sensors for use with power meters, Memory HiCorders and high performance oscilloscopes. The CT9691 and CT9691-90 with sensor unit attachment is a DC to 10kHz/100A sensor, ideal for capturing current signals from solar power generation systems, UPS and batteries.

• CT9691 (Clamp on AC/DC Sensor only)
• CT9691-90 (CT6590 bundled with CT9691)

Note 1: Cannot be used alone. To use the CT9691 sensor with the Hioki PW3198 Power Quality Analyzer or the Hioki Memory HiCorder series, it must be connected and powered via the Sensor Unit CT6590

Note 2: The CT9691 sensor may also be used with the Clamp On AC/DC HiTester 3290/ 3290-10 (without the Sensor Unit CT6590)

Ideal for solar power generation systems, UPS and battery testing
• Wide DC to 10 kHz bandwidth
• Applications in solar power generation, battery charge and discharge, and measuring the secondary side of inverters
• For observing waveforms in combination with oscilloscopes or Hioki Memory HiCorders (use with the CT6590)

Basic specifications (Accuracy guaranteed for 1 year, or opening and closing of the clamp sensor 10,000 times)

Rated input current 100 A AC/DC
Max. allowable input Continuous 100 Arms
Bandwidth DC to 10 kHz (-3dB)
Max. rated voltage to earth 600 V AC/DC CAT III
Power consumption 50 mVA
Core diameter φ 35 mm (1.38 in)
Dimensions and mass 53 mm (2.09 in) W × 129 mm (5.08 in) H × 18 mm (0.71 in) D, 230 g (8.1 oz)
Cord length 2 m (6.56 ft)
Accessories Instruction manual ×1

■ CT6590 basic specifications (Power supply for sensor, Accuracy guaranteed for 1 year)

Compatible sensor models CT9691, 9691
(Discontinued model 9691: Phase not defined)
Output Selectable H range/ L range, BNC terminal
Output (in combination with a sensor) 100 mV f.s./100 A range
100 mV f.s./10 A range
Amplitude basic accuracy (in combination with a sensor) ±1.5 % rdg. ±1.0 % f.s.
(DC ≤ f ≤ 66 Hz)
Phase basic accuracy (in combination with a sensor) ±2 deg. (DC < f ≤ 66 Hz)
Power supply LR6 (AA) alkaline batteries ×2, Continuous use : 25 hr (Rated Power 1 VA), or AC adapter 9445-02/-03 (Rated Power 1.5 VA), or External power supply 5 to 15 V DC (Rated Power 1.5 VA)
Dimensions and mass 36 mm (1.42 in) W × 120 mm (4.72 in) H × 34 mm (1.34 in) D, 165 g (5.8 oz) (including batteries), cord length 1 m (3.28 ft)
Accessories LR6 (AA) alkaline batteries ×2, Instruction manual ×1, Connector cover ×1
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