JOHYUN INTERNATIONAL CO.,LTD.

Engine Analyzer

JT40P

Functions	Range	Accuracy
DC V	2V ~ 200V	±(0.5% +2)
DC A	10A	±(2.0% +5)
Resistance	200Ω ~ 20MΩ	±(0.8% +2)
DWELL	4CYL ~ 8CYL	±(1.2% +2)
TACH	4CYL ~ 8CYL	±(1.2% +2)
Diode Test	Yes
Continuity Buzzer	Yes
Power	9V Battery (6F22)
Max. Display	1999

Large Photo Tachometer

DT2234B

5 Digit LCD Display with Function Annunciator
Circuit Exclusive One Chip of LSI Circuit
Time Base Quartz Crystal, 4.194MHz, Range 5 to 99,999RPM Resolution 0.1RPM (<1,000RPM) , 1RPM ( ≥ 1,000RPM)
Accuracy ±(0.05% +1)
Operating Temperature 0 ~ 50℃ (32℉ ~ 122℉)
Operating Humidity Less than 80% R.H
Memory Last, Maximum, Minimum
Battery 4 x 1.5V AA (UM-3)
Power Consumption DC 153mA

Contact Tachometer

JT-200

Contact Type

Display	5 Digits
Range	5 ~ 99,999 RPM
Resolution	0.1 RPM (<1000 RPM), 1RPM (≥1000 RPM)
Accuracy	(23 ± 5℃) ±(0.05% +1d)
Memory	Last, Maximum, Minimum
Battery	4 x 1.5V AA (UM-3)

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