Preset Counters electronic

901
Presets: 1
Adding or subtracting.
Power supply: Battery
Number of Digits: 6
907
Presets: 1
for pulse and time, 5 kHz.
Power supply: AC+DC
Number of Digits: 6
908
Presets: 2
for pulse and time, 5 kHz.
Power supply: AC+DC
Number of Digits: 6
923
Presets: 1
Multifunction (Pulse, Frequency, Time) 60 kHz, 1-6 presets.
Power supply: AC+DC
Number of Digits: 6
924
Presets: 6
Multifunction (Pulse, Frequency, Time) 60 kHz, 1-6 presets.
Power supply: AC+DC
Number of Digits: 6
716
Presets: 1
Multifunction (Pulse, Frequency, Time).
Power supply: AC+DC
Number of Digits: 6
717
Presets: 2
Multifunction (Pulse, Frequency, Time), also with Ex.
Power supply: AC+DC
Number of Digits: 6
560
Presets: 2
Multifunction (Pulse, Frequency, Time), help texts.
Power supply: AC+DC
Number of Digits: 6
571
Presets: 2
Impulse, Frequency, Time (also reciprocal). With analogue output or serial interface.
Power supply: AC+DC
Number of Digits: 6
572
Presets: 4
Dual preset counter with two separate channels of inputs. With analogue output or serial interface.
Power supply: AC+DC
Number of Digits: 8