Digital Laser Photo Tachometer DT2234A RPM Non Contact Photoelectric Tachometer
- Place of Origin:
- Fujian, China (Mainland)
Model No.: DT2234A
Large LCD display
Last / Max. / Min. value auto storage
Low battery indication
Dispaly: 5 digits LCD
Digit height: 18mm
Test range: 2.5 to 99999RPM(r/min)
Resolution: 0.1RPM(2.5 to 999.9RPM)
Accuracy: ±(0.05% +1digit)
Sampling time: 0.8 sec.(over 60RPM)
Test range select: auto ranging
Memory: max. value, min. value and last value
Detecting distance: 50 to 500mm
Time base: 6MHz crystal oscillator
Circuit: exclusive one-clip of microcomputer LSI circuit
Power consumption: Approx. 40mA(Operation)
Operation temperature: 0 to 50°C(32 to 122°F)
1. Apply a reflective mark to the object being measured
2. Install batteries, press “TEST” key, and align the visible light beam with the applied target.
3. When display is stable, release the “TEST” key; then no digits are shown, but the max. / min. / last vale will be stored automatically.
4. Press “MEM” key, max. / min. / last value will display circularly.
Cut about 12mm square reflective paper, paste it onto one rotation axis. Note: non-reflective part must be larger than reflective area. If rotation axis is reflective as well, cover it with black tape or paint. Make sure rotation axis is clean and smooth, before pasting reflective paper.
Low speed measurement
When measuring low rotational speed, multiple reflection paper can be glued on the rotary shaft. Display value should be divided by the number of reflection paper.
For long time no use, please take out the batteries.
When release “TEST” key, no digits are shown, but max. / min. / last vale are stored automatically.
Press “MEM” key, max. / min. / last value will display circularly. (“UP” means max. value, “dn” means min. value, “LA” means last value)
Power supply: four 1.5V AA battery
Product size :164x74x37mm
Product weight: about 200g(with battery)
Standard accessories: meter (without battery), carrying bag, battery, manual, Reflecting tape marks
Packing: color box
Packing quantity: 40PCS/CTN
Carton size: 44.5x35x32CM
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