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Yokogawa 260110HJHJ9JAB - AC RECTIFIED , Rating-0-25 mA/AC _ Scale-Blank _ Legend-EXCITING CURRENT

Category: Analog Panel Meters, DC Voltage

Manufacture: Yokogawa
Product Description:
The stylist series panel meters are available in window mount and surface mount styles and all meters meet ANSI specification C39.1. These meters are available in a variety of sizes, from 1.5 to 4.5in, and feature a 90 degree arc in the AC iron vane version and a 95 degree deflection in the taut band and pivot and jewel models.

Specification:
Accuracy: All DC and AC iron vane, +-2% of fullscale, AC rectifier type; +-3% of fullscale (60 Hz sinewave). Expanded scale voltmeters +-5% of fullscale. Special order DC with mirror back scale (DC only) 3-1/2 - 4-1/2in Available at +-1%.
ANSI Specification: All meters meet ANSI Specification: C-39.1 (See page 14 of Panel Meter Catalog PDF for exceptions.)
Overload: Voltmeters (AC + DC) - 50% momentary, 20% sustained. Ammeters (AC +DC) momentary: 10 times the rated current for 10 consecutive intervals of .5 seconds with 1 minute interval between successive applications; sustained: 20% for six hours.

Scale Data:
AC IRON VANE
N/A for 1-1/2in model
2.15in for 2-1/2in model
2.70in for 3-1/2in model
3.80in for 4-1/2in model
TAUT BAND/PIVOT & JEWEL
1.66in for 1-1/2in model
2.29in for 2-1/2in model
2.85in for 3-1/2in model
4.01in for 4-1/2in model
ARC:
AC IRON VANE - 90%
TAUT BAND/PIVOT & JEWEL - 95%
Insulation Level: 2600V/1 min. (2-1/2in - 4-1/2in); 1500V/1 min. (1 1/2in)

Response Time:
3 seconds (Max.) - Microammeters
2 seconds (Max.) - All other DC ratings
2.5 seconds (Max.) - All AC ratings
Maximum 40% overshoot
Burden Data: AC Ammeter 5 amps at 60 Hz, 0.5VA, Max. .5 Power factor lagging, AC voltmeter - unity power factor.

Note:
Severe-duty meters are available to meet CUL or UL 1437 requirements in 2-1/2in - 4-1/2in sizes.

Three Mounting Types Available in Stylist Series: Rear Panel Window Mount, Front of Panel Surface Mount, Rear Panel Surface Mount Available with Optional Bezel

Taut Band: Taut band is a means of suspending the moving mechanism between two ribbons of metal, obviating the need for pivots, jewels and control springs found in conventional mechanisms. The absence of friction resulting from this permits greater sensitivities and provides more rugged meters.Common failures of conventional meters subjected to shock testing are cracked jewels and/or blunted pivots. Taut band, without pivot and jewels, consequently, will withstand shock in excess of that specified for pivot and jewel meters. For example, ANSI Specification: for panel meters require 50G shock. Taut-band meters will withstand 100G shock.

Pivot and Jewel: In this design the coil and pointer are supported by polished steel pivots at each end which fit into jewel bearings. Pivot and jewel meters are recommended for highvibration environments because of the mechanisms inherent stability and strength. Accuracy and repeatability are almost equal to the taut-bands, and good performance from the pivot and jewel construction is the reason for its long popularity. Dont specify pivot and jewel meters for applications that involve high shock, but do take advantage of this meters ability to withstand vibration.

High-Sensitivity DC Voltmeters: Standard DC voltmeter sensitivity is 1000 ohms/volt. Expressed differently, 1000 ohms/volt sensitivity means that the meter draws approximately one milliamp full-scale current.

Occasionally lower current drains are necessary, hence higher sensitivities may be required. The table below compares available sensitivities, maximum self-contained voltages, and approximate full-scale currents. The voltage range could be extended by using external resistors.

Expanded-Scale Voltmeters: For very close monitoring of voltages, Zener diode expanded scale voltmeters are available in 3-1/2- and 4-1/2-inch sizes for AC and DC ratings. Accuracy is +-0.5% of fullscale value. Standard voltage spans are listed in Ratings.

Expanded scale voltmeters can be furnished for any mid-span values from 12 to 300 volts. Minimum span is 16% of mid-span value.

Frequency Effect- AC Meters: Iron vane voltmeters are sensitive to frequency and should not be used on frequencies other than design frequency. (Standard voltmeters are calibrated at 60 Hertz. Used at 50 Hertz, accuracy becomes +-2-1/4%. There are also 150- and 300-volt ratings listed which are calibrated at 400 Hertz). For calibrations at frequencies other than 60 and 400 Hertz, refer to factory.

All Iron-vane ammeters (which produce a conventional scale distribution with divisions crowded in lower third of scale) from 10 milliamperes to 50 amperes are virtually unaffected by a change in frequency; e.g., a stock ammeter (calibrated at 60 Hertz) when used at 400 Hertz incurs an additional error of only .5 percent full-scale. If used on 1000 Hertz, the additional error is 4 percent. We recommend use of stock (60 Hertz) ammeters on any frequency in the range of 25 Hertz to 400 Hertz. For calibration at frequencies outside the 25-Hertz to 400-Hertz range, refer to factory or use a rectifier-type AC ammeter.

Rectifier-Type Meters: Rectifier-type meters differ from iron vane mechanisms in that:
They provide a nominally linear (DC) scale rather than conventional iron-vane distribution which has a slight crowding at low end of scale.
AC current measurements of microamperes and milliamperes at minimum power consumption are permitted.
AC voltmeters of higher sensitivity (ohms/volt) than iron-vane types can be made.
Frequency response of rectifier type meters is essentially flat from 20 to 1,000 Hertz (1% effect from reference to 60 Hertz). Rectifier-type meters employ a full-wave rectifier and are available in ratings of 500microA to 30A.

Suppressed-Zero DC Meters: DC meters can be mechanically suppressed up to 20% of end-scale value. However, additional errors are introduced by suppressions (e.g. errors at 20% suppression = +-3% of end-scale). Many process transmitters in use today provide a 4-20mA signal (occasionally 10-50mA or 1-5mA) and require a suppressed-zero meter with operating zero set. These are known as live-zero and are standard.

Higher Accuracy: Standard calibration accuracy is +-2% of full scale. DC meters can be calibrated to +-1% of full scale as a special model in 3-1/2in and 4-1/2in with mirrored scale.

Data subject to change without notice.

Spec Sheet:

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Yokogawa 260110HJHJ9JAB - AC RECTIFIED , Rating-0-25 mA/AC _ Scale-Blank _ Legend-EXCITING CURRENT

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Yokogawa

Yokogawa 260110HJHJ9JAB - AC RECTIFIED , Rating-0-25 mA/AC _ Scale-Blank _ Legend-EXCITING CURRENT

Yokogawa 260110HJHJ9JAB - AC RECTIFIED , Rating-0-25 mA/AC _ Scale-Blank _ Legend-EXCITING CURRENT

Yokogawa 260110HJHJ9JAB - AC RECTIFIED , Rating-0-25 mA/AC _ Scale-Blank _ Legend-EXCITING CURRENT

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