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转速计，又名转速表、转速仪，是机械行业的仪器之一，用来测定电机的转速、线速度或频率。常用于电机、电扇、造纸、塑料、化纤、纺织、汽车、飞机、轮船等制造业。 大多常用的为手持离心式转速计。
转速计，又名转速表、转速仪，是机械行业的仪器之一，用来测定电机的转速、线速度或频率。常用于电机、电扇、造纸、塑料、化纤、纺织、汽车、飞机、轮船等制造业。 大多常用的为手持离心式转速计。美国Checkline旗下的转速计一般为数字式，有接触式和非接触式两种测量。非接触式采用光电器件测量，无连接轴，对被测件无任何影响，提高测量精度。
例如Checkline DT-5TXR型是一款带输出模块的面板式转速表，拥有三种测量模式：转速，线速和速率。
The Check-line DT-5TXR panel meter with optional output Modules is an economical unit for speed and process time monitoring when combined with a compatible in-line sensor. Loaded with features found in more expensive units, the DT-5TXR Panel Meter is extremely versatile with selectable inputs. The DT-5TXR is fully scalable and possesses three selectable modes allowing it to measure RPM/linear speed/rate, elapsed time and process time. Each panel meter accepts a variety of signal inputs from any sensor providing an NPN, contact, sine wave, or square wave such as pulse generators, proximity sensors, photoelectric sensors, magnetic sensors and NPN OC transistors. Typical applications can range from machining operation timing, rate of change monitoring such as on a conveyor, elapsed time of oven curing etc. with any variety of compatible sensor inputs desired. The DT-5TXR panel meter also accepts various output modules, enabling it to output data for analysis, record keeping or assist in controlling the process through a separate control device. Up to two modules can be accepted simultaneously, offering an enormous number of combinations and options.
Large 6 digit LED display plus two smaller 6 digit secondary displays allow easy viewing from greater distances
Highly accurate (± 0.008% ± 1 digit) makes ideal for process control and analysis
Selectable update time allows operator to speed up/slow down display changes to facilitate process
Selectable decimal point enables higher resolution display potential 1/8 DIN size panel cut out permits easy, industry-standard mounting
Great versatility with multiple sensor input capability in one unit: NPN open collector, contact and square or sine wave sensor inputs
Accepts up to two output modules allowing voltage, current, BCD, NPN & relay output combinations for control or remote process monitoring
IP66 front cover protection keeps water out, enables usage in compatible plant wash-down operations
Wide power range (85 – 264VAC, 50/60Hz) eliminates need for having to purchase and wire an additional power transformer.
Scalable programming gives user the flexibility to set up and monitor virtually any process
24V DC-Powered model available, DT-5TXR-DC
DC power source output to power compatible sensors saves money by eliminating need for separate power supply
Front cover protection eliminates accidental bumping of keypad to incorrect program
Up to two (2) Optional Output Modules can be used simultaneously
Measuring Range | 10 - 99,999 rpm (at 1 p/r) |
Display Range | Tachometer/Rate Meter: 0 - 999999 with selectable decimal point |
Scalable | Yes (with outputs, see modules) |
Accuracy | Tachometer/Rate Meter & Elapsed Time: ± 0.008 % ± 1 digit |
Display Update Time | 0.2, 0.5, 1, 2, 5, 10, 15, 30, 60 sec. |
Input No. of P/R | 1 to 9,999 (programmable) |
Input Signal Characteristics | NPN open collector input: max. frequency 100 kHz / Contact input: max. frequency 20 Hz / Square wave input: max. frequency 30 kHz - Sine wave input (magnetic pickup): max. frequency 10 kHz |
Sensor Power Supply | 12 VDC (150 mA) |
Power Requirement | 85 - 264 VAC (50/60 Hz) Optional (9 - 35 VDC at 1 W also available) |
Ambient Temperature | 32° - 113° F (0 - 45° C) |
Dimensions | 5.27" x 3.78" x 1.89" (134 x 96 x 48 mm) |
Product Weight | 0.66 lb (300 g) |
Package Weight | 0.95 lb (430 g) |
Warranty | 2 Years |
Included Accessories | Mounting adapters & screws, decal sheet |
配件
DOP-BCDR BCD output module, 36 Pin Connection
DOP-CPTR Relay output module, terminal block connection
DOP-FVC Analog output module (4-20mA & 0-1, 0-10, 1-5 VDC), 36-pin connection
DOP-FVTR Analog output module, terminal block connection
DOP-RMTR Ratio input module, terminal block connection
DOP-TRC NPN open collector output module, 36 pin connection
DOP-TRTR NPN open collector output module, terminal block connection
订货型号
DT-5TXR Panel Meter with Output Module Capability, Selectable inputs, 100-240 VAC Power
DT-5TXR-DC Panel Meter with Output Module Capability, Selectable inputs, 9-35 VDC Power
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