Hioki 8970 FREQ UNIT

Frequency, Rotation, and Pulse Measurement

  • Fluctuating frequency measurement of power lines for commercial power (direct input of up to 200 V class line)
  • Isolated 2 channel input
  • Max. rated voltage to ground: 300 V AC or DC (CAT II)
  • Pulse counting for the encoder
  • Used in measuring motor rotation, pulse integration, duty ratio, and pulse width
  • Encoder divider function

Documents and Software:

Product Number:

Hioki-8970

Manufacturer:

Hioki

Quantity:

Total
Unit price
Base Product
Availability:
Call or email for delivery time

For MR6000, MR8847A, MR8827, and similar products

Basic specifications

Accuracy guaranteed: 1 year

Measurement functions

Number of channels: 2, for voltage input based frequency measurement, rotation, power frequency, integration, pulse duty ratio, pulse width

Input connectors

Isolated BNC connector (input impedance 1 MΩ, input capacitance 30 pF),
Max. rated voltage to earth: 300 V AC, DC (with input isolated from the unit, the maximum voltage that can be applied between input channel and chassis and between input channels without damage)

Frequency mode

Range: Between DC to 100kHz (minimum pulse width 2μs), 1Hz/div to 5kHz/div (full scale= 20 div), 8 settings
Accuracy: ±0.1% f.s. (exclude 5kHz/div), ±0.7% f.s. (at 5kHz/div)

Rotation mode

Range: Between 0 to 2 million rotations/minute (minimum pulse width 2μs), 100 (r/min)/div to 100k (r/min)/div (full scale= 20 div), 7 settings
Accuracy: ±0.1% f.s. (excluding 100k (r/min)/div), ±0.7% f.s. (at 100k (r/min)/div)

Power frequency mode

Range: 50Hz (40 - 60Hz), 60Hz (50 - 70Hz), 400Hz (390 - 410Hz) (full scale= 20 div), 3 settings
Accuracy: ±0.03Hz (exclude 400Hz range), ±0.1Hz (400Hz range)

Integration mode

Range: 2k counts/div to 1M counts/div, 6 settings
Accuracy: ±range/2000

Duty ratio mode

Range: Between 10Hz to 100kHz (minimum pulse width 2μs), 5%/div (full scale=20 div)
Accuracy: ±1% (10Hz to 10kHz), ±4% (10kHz to 100kHz)

Pulse width mode

Range: Between 2μs to 2sec, 500μs/div to 100ms/dv (full scale=20 div)
Accuracy: ±0.1% f.s.

Measurement resolution

1/2000 of range (Integration mode), 1/500 of range (exclude integration, power frequency mode), 1/100 of range (power frequency mode)

Input voltage range and threshold level

±10V to ±400V, 6 settings, selectable threshold level at each range

Other functions

Slope, Level, Hold, Smoothing, Low-pass filter, Switchable DC/AC input coupling, Frequency dividing, Integration over-range keep/return

Dimensions and mass

106 mm (4.17 in) W × 19.8 mm (0.78 in) H × 196.5 mm (7.74 in) D, 250 g (8.8 oz)

Included accessories

None

 

Description
Additional Informations
Reviews
Query on the Item
Do you have any questions on this item?
Your E-mail Address
My Question:
Please retype the letters shown here
captcha
Description
Reviews
Query on the Item

For MR6000, MR8847A, MR8827, and similar products

Basic specifications

Accuracy guaranteed: 1 year

Measurement functions

Number of channels: 2, for voltage input based frequency measurement, rotation, power frequency, integration, pulse duty ratio, pulse width

Input connectors

Isolated BNC connector (input impedance 1 MΩ, input capacitance 30 pF),
Max. rated voltage to earth: 300 V AC, DC (with input isolated from the unit, the maximum voltage that can be applied between input channel and chassis and between input channels without damage)

Frequency mode

Range: Between DC to 100kHz (minimum pulse width 2μs), 1Hz/div to 5kHz/div (full scale= 20 div), 8 settings
Accuracy: ±0.1% f.s. (exclude 5kHz/div), ±0.7% f.s. (at 5kHz/div)

Rotation mode

Range: Between 0 to 2 million rotations/minute (minimum pulse width 2μs), 100 (r/min)/div to 100k (r/min)/div (full scale= 20 div), 7 settings
Accuracy: ±0.1% f.s. (excluding 100k (r/min)/div), ±0.7% f.s. (at 100k (r/min)/div)

Power frequency mode

Range: 50Hz (40 - 60Hz), 60Hz (50 - 70Hz), 400Hz (390 - 410Hz) (full scale= 20 div), 3 settings
Accuracy: ±0.03Hz (exclude 400Hz range), ±0.1Hz (400Hz range)

Integration mode

Range: 2k counts/div to 1M counts/div, 6 settings
Accuracy: ±range/2000

Duty ratio mode

Range: Between 10Hz to 100kHz (minimum pulse width 2μs), 5%/div (full scale=20 div)
Accuracy: ±1% (10Hz to 10kHz), ±4% (10kHz to 100kHz)

Pulse width mode

Range: Between 2μs to 2sec, 500μs/div to 100ms/dv (full scale=20 div)
Accuracy: ±0.1% f.s.

Measurement resolution

1/2000 of range (Integration mode), 1/500 of range (exclude integration, power frequency mode), 1/100 of range (power frequency mode)

Input voltage range and threshold level

±10V to ±400V, 6 settings, selectable threshold level at each range

Other functions

Slope, Level, Hold, Smoothing, Low-pass filter, Switchable DC/AC input coupling, Frequency dividing, Integration over-range keep/return

Dimensions and mass

106 mm (4.17 in) W × 19.8 mm (0.78 in) H × 196.5 mm (7.74 in) D, 250 g (8.8 oz)

Included accessories

None

 

Do you have any questions on this item?
Your E-mail Address
My Question:
Please retype the letters shown here
captcha

These items were last seen: