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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.