electric tachometer

Model：SZD-1,2,21
Category：electric tachometer
origin：SHANGHAI

SHANGHAI AUTOMATION INSTRUMENTATION CO., LTD

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SZD-1,2,21 electric tachometer

I. Introduction

This instrument is mainly used for remote measurement of various engine speed. Each tachometer generator can work simultaneously with two indicators. SZD-21 electric tachometer with alarm mechanism, and can speed alarm.

Second, the product parameters

Accuracy: 1.5

Indicator in an ambient temperature of -20 ℃ ~ + 50 ℃, relative humidity less than 85% of normal use environment. Alarm in an ambient temperature of 0 ~ + 50 ℃, relative humidity below 85% in normal use environment.

Dimensions: Indicators: 63 × 63 × 122.5

Tachogenerator: 48 × 48 × 130

Alarm: 113.5 × 53.5 × 105.5

Weight: Indicator 0.556㎏

Alarm: 0.415㎏

Tachogenerator: 1.020㎏

Socket: 0.0173KG

SZD-1

Speed r/min	Ratio	Speed r/min	Ratio
0～1500	1：1	0～8000	1：3
0～3000	1：2	0～10000	1：3
0～3000	1：1	0～15000	1：5
0～5000	1：2	0～20000	1：6

SZD-2

Speed r/min	Ratio
0～1500	1：1
0～3000	1：1
0～3000	1：2
0～5000	1：2
0～8000	1：3

SZD-21

Speed r/min	Ratio	Alarm range
0～1500	1：1	Set according to user needs, but alarm need 700r / min or more
0～3000	1：2
0～3000	1：1