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TZB series single and double needle locomotive speedometer is a wide-angle instrument independently developed and produced by Shanghai renhao electronic technology co., LTD.The meter has a brand new instrument pointer The stepping driving mode completely abandons the working principle of electromagnetic torque driving pointer, thus overcoming the disadvantages of traditional electromagnetic automobile instrument such as low precision, high failure rate and short service life.It has the characteristics of high accuracy, good repeatability, uniform division, quick response and wide adaptability.Can be used to indicate the locomotive/bullet train running speed, voltage, current and other signals.Applicable to various types of locomotives at home and abroad.

1, accuracy: 1.0%

2. Measuring range: 0 ~ 160km/ h, indicating range can be customized according to customer needs

3, table head rating: 0/ 4 ~ 20mA, 0 ~ l0mA, 0~l0V,

4. Working power supply: DC24V / DC110V

5. Mileage accumulated: 0 ~ 108 km,DC24V ~ DC110V 15mA, (pulse duration ≥150ms), only applicable to speed meter

6. Insulation strength: 500V,50Hz ac sine lmin

7. Operating temperature: -25 ~ +70

8. Vibration resistance: l g, l00Hz(DIN 89011).

9. Installation size: 13lmm+0.55 (customized)

10, weight: 1.15kg