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 Instrument Meter Specialties, Inc.
Phones: 800-926-3837....818-841-2417
FAX:      818-926-3736
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TRIPLETT
Analog Panel Meters
Instrument Characteristics

The following is a listing of the standard characteristics and/or tolerances for standard
Triplett DCBar Ring & AC Iron Vane Instruments.     All characteristics and tolerances
are predicated on the instrument being mounted in its normal position at a temperature
of 25°C (sine wave for AC Types) This listing is not intended to limit the characteristics
or tolerances:  many  variations of  characteristics and  tolerances can be supplied  on
special order.  Consult  IMS (Instrument Meter Special\ties)  stating complete details
of your application and desired characteristics.

CHARACTERISTIC

DIRECT CURRENT
TYPES

AC IRON
VANE TYPES

CURRENT

VOLTAGE

CURRENT

VOLTAGE
ACCURACY ±2% ±2% ±2% ±2%
SCALE  LINEARITY * linear linear non-linear non-linear
TRACKING ±3% ±3% ±3% ±3%
REAPEATIBILITY-
Pivot Type   **
Taut Band Type		 ±2%
±½%		 ±2%
±½%		 ±2% ±2%
FRICTION-
Pivot Type    **
Taut Band Type		 1%
neglible		 1%
neglible		 1% 1%
BALANCE    **
50 ua & above
below 50ua
±1%
±2%		 ±1%
±2%		 1% 1%
RESISTANCE
above 50µa
below 50µa
 20% ±5%
±5%
 20% ±20%
±5%
MAX OVERSHOOT 20% 20% 30% 30%
RESPONSE TIME
(In Hi Impedance
Circuit)
above 50µa
below 50µa


1.5sec max
3 sec max


1.5sec max
3 sec max


1.5sec max


1.5sec max
CALIBRATION
FREQUENCY    ***		 60 Hz 60 Hz
FREQUENCY RANGE (for ±1% deviation
from value @ 60 Hz)		 25-1000 HZ 25-133 Hz
OVERLOAD
CAPAC.ITY (1 Sec)
0-100 volts
101 volts & up		 1000 %

1000 %
200 %		 1000 %

1000 %
200 %
OIVERLOAD CAPAC
(continuous) % of
rated value		 150% 120% 150% 120%
TEMPERATURE
INFLUENCE
(±10°C from 25°C)		 1% 1% 1% 1%

* Linearity applies to spacing of scale divisions only.  DC types at 2% accuracy have
linear scale divisions, therefore, scales are interchangeable on all meters.     AC Iron
Vane Types at 2% have non-linear scale divisions, however, scales are interchangeable
on meters of a given type.   All ±½ % and ±1% meters have  non-linear scale  divisions
and the scales are not interchangeable  (in some cases, interchangeable scales may be
supplied )- consult IMS stating requirements.

** Repeatability, Friction and Balance tolerances are typical specifications - specific values are
dependent on meter size, torque, current, etc.

*** Calibration AC Iron Vane Types can also be supplied calibrated for use at other frequencies
on special order - contact IMS for requirements.

All Triplett Panel Instruments meet or exceeds ANSI C39.1 performance standards and applicable
portions of ANSI C39.5 safety standards

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