The Model 1790 Tachometer Tester is used for testing and calibration of electrical and mechanical tachometer generators and indicators. A high-quality DC motor is coupled directly to a 1/4-inch square hole drive (AN Pad). This tachometer tester output can be converted to a wide variety of adapters and different tachometer interfaces. The motor drive control circuit uses SCR components and an open loop system for an economical solution to speed adjustment. The control panel consists of a five-digit LED display, momentary switches for start and stop, a direction switch, a display select switch, and a ten-turn potentiometer for speed adjustment.
Version(MFR# 230020-7)includes a RPM readout and operates on 230 VAC.
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规格：
Weight:
36 lb
Dimensions:
12.7 x 12 x 8.1 in
Drive type:
Permanent magnet DC motor
Maximum torque:
60 oz-in.
Drive outlet:
1/4 inch square hole (AN Pad)
Shaft speed range:
Infinitely variable within 250 - 5,000 RPM bi-directional
Indicator speed range:
250 - 5,000 RPM (1x setting)
500 - 10,000 RPM (2x setting)
Operating temperature:
40º to 90º F (4º to 32º C)
特征：
250 - 10,000 RPM Tachometer Testing Range
250 - 5,000 RPM Actual Drive Speed
1 RPM Accuracy of Digital Display
Bright Red 5-Digit Display
Maximum Torque: 60 oz-in
Low Cost
direct-drive
Bi-directional
Ten-turn Speed Adjustment
Optional Calibration Kit Available
