YUEQING YOMIN ELECTRIC CO., LTD
YUEQING YOMIN ELECTRIC CO., LTD Professional energy meter and current transformer manufacturer
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High Precision Panel Analogue Meter , Frequency Meter With Glass Window .
Description
Selection of frequency meter
Frequency meter is the instrument which measures the frequency. Frequency meter shows the number of the cycles in 1 second. Frequency meters are connected parallel to circuit which frequency will be measured like voltmeters.
Specification
| Model | Frame size | Measuring Range | Class Index | Case Qty. |
| DT-F96 | 96X96 | 45~65Hz | 1.5 | 60Pcs |
| DT-F72 | 72X72 | 45~65Hz | 1.5 | 100Pcs |
| DT-F48 | 48x48 | 45~65Hz | 2.5 | 256Pcs |
Features
Composition:
Glass window, ABS Resin frame and case, PC glass fiber base mounting fitting included.
Scale Plate:
The normal scale plate is made of alloy-aluminium material white printed with black scales,Values, units, technique symbols, etc.
Scale plate with special requirements are available upon request.
Such as color, scale with lighting functions and PVC noctilucence are available upon request.
Color:
Black base and frame , white scale plate and meter body.
Pointer:
Normaly, the pointer is made of alloy-aluminium, it is black, and red, white are available Upon request.
Anti-static:
All meters are subject to anti-static treatment to minimize the static-effect to the accuracy of the meters.
Damping and Overshoot:
The overshoot is less than 15% when the pointer is at the 2/3 of the scale.
Damping and overshoot can be customized according to user’s requirements.
Accuracy:
Class1.5, 2.5 ;
Service condition:
-20℃ ~ +50℃
Operating position:
Generally, meter is installed in vertical position. Other installation position can be customized (please specify the desired angle).The accuracy class is just valid for the Corresponding installation mode.
Insulation Test:
The test Voltage for BE&BP series is 2KV RMS for 1 minute with the frequency 50Hz.
Safety Precautions:
Meters with damaged bezels or glass faceplates must be disconnected from the mains. Scale plate, front frames and windows may only be replaced under voltage-free conditions.
The meter should be kept clean, if the meter is used in a manner not specified by the manufacturer, the protective function may be impaired.
Dimension
