DF9011 Precision transient tachometerDetailed product description：

DF9011 precision transient tachometer receives input signals from a magnetic electric speed, reluctance speed, or eddy current sensor system, continuously measures and monitors the machine's speed, and provides protection for the machinery.

DF9011 precision transient tachometer is an intelligent instrument based on a high-end DSP processor. Normal observation and basic setting operations can be completed through the instrument panel keyboard.
Standard desktop metal chassis.
ABS frame, flexible film panel.
Power supply: The instrument can operate stably within the input power range of 85-265Vac;
The rated power consumption is 15watts.
Provide sensor working power supply:
Maximum current of 35mA;
Voltage:+12~+24V and -12~-24V. Optional: (provided at the time of ordering)
Signal input: Connect the input signal of the magneto electric (Yang) sensor, with a maximum frequency of 20KHz
The minimum amplitude (peak to peak) of the signal is 100mV.
Measurement range: keyboard setting, optional;
Measurement accuracy better than+0r/min (full range)
Number of teeth: 1~255 arbitrary;
Display: Ultra bright red LED digital display:
Digital display accuracy:+1 word:
Measurement frequency range: 0~10KHz.
Record output: standard current, all have output short-circuit protection function.
4-20mA (or customized 0-10mA), with a load capacity of up to 500 Ω:
Buffer sensor signal output: with short-circuit protection function, output impedance of 100 Ω.
Relays: Three sets of relays, each with a set of contact outputs (normally open, midpoint);
Contact output capacity: AC220V, 2A
Usage environment: Temperature: -10~60 ℃; Relative humidity: not more than 95%, no condensation.
Panel size: 160mmx80mm; Chassis depth: 200mm
Installation hole size: (151+05) mmx (76+05) mm
Quality: * 2K