13
WATTMETERS
2105A/2185A
Model Suffi x Codes Descriptions
2105A 31 Single phase 2-wire
110 SQUARE Class 1.5
2105A 32 Single phase 3-wire
2105A 35 3-phase 3-wire (Unbalanced)
2105A 34 3-phase 4-wire (Balanced)
2105A 36 3-phase 4-wire (Unbalanced)
2185A 31 Single phase 2-wire
80 SQUARE
With external
transducer
Class 1.5
2185A 32 Single phase 3-wire
2185A 35 3-phase 3-wire (Unbalanced)
2185A 34 3-phase 4-wire (Balanced)
2185A 36 3-phase 4-wire (Unbalanced)
Rating
-W13 110V/1A
Single phase 2-wire
(Zero-left) -W14 110V/5A
-W15 220V/1A
-W16 220V/5A
-W19 110/220V 1A
Single phase 3-wire
-W20 110/220V 5A
-W21 220/440V 1A
-W22 220/440V 5A
-W13 110V/1A
3-phase 3-wire
-W14 110V/5A
-W15 220V/1A
-W16 220V/5A
-W11 110/
√
_
3V 1A
3-phase 4-wire
-W12 110/
√
_
3V 5A
-W17 220/
√
_
3V 1A
-W18 220/
√
_
3V 5A
-W51 100V/1A
Semi-standard meters
For 21
5A31,35
-W52 100V/5A
-W53 115V/1A
-W54 115V/5A
-W55 120V/1A
-W56 120V/5A
-W61 200V/1A
-W62 200V/5A
-W63 230V/1A
-W64 230V/5A
-W65 240V/1A
-W66 240V/5A
(Off-center) -S13 110V/1A Zero-center and similar
scale
Scale : -a W to 0 to +b
W where a
b
For calibration power
range : The "+b" side
is the same as its
standard power where a
b
Single phase 2-wire
-S14 110V/5A
-S15 220V/1A
-S16 220V/5A
-S13 110V/1A
3-phase 3-wire
-S14 110V/5A
-S15 220V/1A
-S16 220V/5A
-S53 115V/1A
-S54 115V/5A
-S11 110/
√
_
3V 1A
3-phase 4-wire
-S12 110/
√
_
3V 5A
-S17 220/
√
_
3V 1A
-S18 220/
√
_
3V 5A
Designation of
Frequency Used
-N 50/60Hz Common
-C 400Hz
Pointer
-L Lance type pointer (Black), Always "-L"
Cover color and Set pointer
-BL Munsell N1.5
-BG Munsell 7.5BG4/1.5
-BS Munsell N1.5 with Set pointer (red color)
-GS Munsell 7.5BG4/1.5 with Set pointer (red color)
SPECIFY THE FOLLOWING WHEN ORDERING
(1) Model and Suffi x codes
(2) Full scale value and unit
(3) In case of using external CT/or VT, calculate the possible full scale value
form the following page and be sure that is within the range shown avove.
(4) VT ratio and CT ratio
Notes :
VT and CT are not supplied.
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