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Yokogawa Analog Panel Meters

Horizon Line AC Voltmeters/Ammeters, DC Voltmeters/Ammeters, AC Motor Load Indicators, & AC Frequency Meters --

Accuracy: All DC and AC iron-vane; ±2% of full-scale. AC rectifier type; ±3% of full scale (with 60 Hz sine wave at 25°C). When standard 60Hz iron vane ammeters are used at the extreme limits of 20 or 400 Hz, additional error (approx. 75%) may be experienced. Expanded-scale voltmeters; ±.5% of full scale value
All meters meet ANSI Specifications C-39.1
Overload: Voltmeters (AC and DC) -50% momentary, 20% sustained. Ammeters (AC and DC) momentary: 10 times the rated current for 10 consecutive intervals of .5 second with a 1 minute interval between successive applications; sustained: 20% for six hours
Scale Data: 90 degree rotation
Insulation Level: All meters (except 1 1/2"), 2600 VRMS Hi-pot, 1 1/2"-1500 VRMS Hi-pot
Burden Data: AC ammeter-5 Amps, 0.5 va, max. 0.5 power-factor lagging. AC voltmeter-unity power factor
Response Time and Overshoot: Response time: 3 seconds (max.) for 2 1/2", 3 1/2",4 1/2" size for microammeters: 2 seconds (max.) for all other DC ratings, and 2.5 Seconds (max.) for AC ratings. Maximum of 40% overshoot
Custom ranges and scaling are available

Accuracy: All DC and AC iron-vane; ±2% of full-scale. AC rectifier type; ±3% of full scale (with 60 Hz sine wave at 25°C). When standard 60Hz iron vane ammeters are used at the extreme limits of 25 or 400 Hz, additional error (approx. 75%) may be experienced. Expanded-scale voltmeters; ±5% of full scale value. All meters meet ANSI Specifications C-39.1
Overload: Voltmeters (AC and DC) - 50% momentary, 20% sustained. Ammeters (AC and DC) momentary: 10 times the rated current for 10 consecutive intervals of .5 second with a 1 minute interval between successive applications; sustained: 20% for six hours
Scale Data: 90 degree rotation
Insulation Level: All meters (except 1 1/2"), 2600VRMS Hi-pot, 1 1/2"-1500VRMS Hi-pot
Burden Data: AC ammeter-5 Amps, 0.5 VA, Max. 0.5 power-factor lagging; AC voltmeter - unity power factor
Response Time and Overshoot: Response time: 3 seconds (max.) for 2 1/2", 3 1/2", 4 1/2" size for microammeters: 2 seconds (max.) for all other DC ratings, and 2.5 seconds (max.) for AC ratings. Maximum of 40% overshoot
Custom ranges and scaling are available

Completely shielded, dust-tight case
No special calibration required for panel material
Stack mounting of meters is possible with all sides of meter case flush - Optional bezel/mounting bracket for 1-, 2-, or 3-unit stack (mounting hardware not included)
Zero regulator provided in rear of case
Accuracy: DC meters ±2% of full scale. AC rectifier type ±3% (60 Hz sine wave at 25°C)
All meters meet ANSI Specification C-39.1
Overload: Voltmeter: 50% momentary; 20% sustained Ammeter: 900% momentary. 20% sustained
Scale Data: 53 degrees rotation. Length -1.785"
Insulation Level: 1800 VRMS Hi-pot
Response Time: 3 seconds (max.) for microammeters; 2 seconds (max.) for all other DC ratings; and 2.5 seconds (max.) for AC ratings
Overshoot: Maximum of 40%

Accuracy: ±2% of full scale, DC meters; ±3% with 60 Hz sine wave at 25šC for AC rectifier type meters
Overload: DC voltmeters -20% momentary and sustained; DC ammeters (momentary) -10 times the rated current for 10 consecutive intervals of .5 second with 1 minute intervals between successive applications; DC ammeters (sustained) - 20% for 6 hours
Dielectric (Hi-pot): 1500 VRMS for 1 1/2" and 2 1/2" sizes; 2600 VRMs for 3 1/2" size
Response Time: 3 seconds max for meters, 2 seconds (max.) formA, A, mV, & V meters
Pointer Color: red standard
Bezel and Mounting Hardware included with meter
Overshoot: 25% (max.) for 1 1/2" size, 40% (max.) for 2 1/2" and 3 1/2" sizes
Scale Data: All three sizes designed for 53 degrees deflection. Scale lengths are: 1 1/2" size = 1.25", 2 1/2" size = 1.93", 3 1/2" size = 2.70". Note: All scales have linear distributions. 10V, 15V, 30V Rectifier scales will be non-linear
All meters meet applicable sections of ANSI C39.1
Custom ranges available

New back-of-panel model
2 1/2" and 3 1/2" New Big Look models
2 1/2" and 3 1/2" round and square models
UL recognition
Conduit-case models available
Optional 3 stud mounting available on 3 1/2" New Big Look type 240 meters
Accuracy matches frequency control of power system
Materials: clear Lexan case, Noryl frame, brass terminal studs, Lucite front covers
Type 240 models available to operate on 120 or 208/240VAC, 50 or 60 Hz; and 480VAC, 60 Hz

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