6-51
IM DL850-03EN
Specifications
6.14 Logic Probe Specifications
High-Speed Logic Probe (700986) Specifications
Item Specifications
Number of inputs 8
Input format Non-isolated (all the bits share the same ground with the DL850/DL850V and each other)
Maximum input voltage 42V (DC + ACpeak) (CAT II, 30 Vrms), between the probe tip and ground
(at a frequency of 1 kHz or less)
Response time Within 1 μs
Input impedance 100 kΩ or more
Threshold level Approx. 1.4 V
Isolated Logic Probe (700987) Specifications
Item Specifications
Number of inputs 8
Input format Isolated (all bits are isolated)
Input connector Safety terminal type (for banana plug) × 8
Input switching Each bit can be switched to AC or DC input.
Input signal display The H/L state of each bit is indicated with LEDs (the LEDs illuminate to indicate H).
Applicable input range During DC input: H/L detection of 10 VDC to 250 VDC
During AC input: H/L detection of 80 VAC to 250 VAC at 50/60 Hz
Threshold level During DC input: 6 V ± 50% (High level: 10 to 250 VDC, Low level: 0 to 3 VDC)
During AC input: 50 VAC ± 50% (High level: 80 to 250 VAC, Low level: 0 to 20 VAC)
Response time During DC input: 1 ms or less
During AC input: 20 ms or less
Input impedance Approx. 100 kΩ
Maximum input voltage 250 Vrms
1
(CAT II)
(between the H and L terminals of each bit)
Maximum allowable common
mode voltage
250 Vrms
1
(CAT II)
(between input terminal H or L and the ground)
Maximum allowable voltage
between bits
250 Vrms
1
(CAT II)
Withstand voltage 2000 VAC for 1 minute
(between the input terminals and the ground)
Insulation resistance 500 VDC, 10 MΩ or greater
(between the input terminals and the ground)
Fuse
2
Location Max. rated voltage Max. rated current Type Standard
H side of input
terminal
250 V 50 mA Time lag VDE/SEMKO
approved
1
Make sure that the peak AC voltage does not exceed 350 V and that the DC voltage does not exceed 250 V when the
frequency is 1 kHz or less.
2
Because the fuses used by this instrument are all inside the case, you cannot replace them yourself. If you believe that the
fuse inside the case has blown, please contact your nearest YOKOGAWA dealer.
Logic Probe (702911 and 702912) Specifications
Item Specifications
Number of inputs 8
Input format Non-isolated (all the bits share the same ground with the DL850/DL850V and each other)
Maximum input voltage ±35 V
Response time Within 3 μs
Input impedance 10 kΩ or more
Threshold level Approx. 1.4 V
Input methods TTL level or contact input (switchable). During contact input: Pulled up to 5 V
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