Applic.
pp. 4-8

Contents
p. 2Selection
pp. 9-11

Products
pp. 12-87

GenRadproducts
pp. 50-87

ケルビン・バーレイ
Kelvin-Varley
電圧分割器
Voltage
DividerIndex
p. 89

KVD-600 • KVD-700 • Series

These standards grade Kelvin-Varley voltage
appropriate for use in bridge circuits, providing
ケルビン・バーレイ電圧分割器は確度が高く、安定しているリニアな装置なので確度の高い既知
dividers They are highly accurate, stable, andtwo arms of a bridge with a very well known ratio.の電圧や電流比を必要とする応用に使用されます。特にKDVシリーズは、ブリッジ回路で比の値
linearinstru
mentsforuseinmany
applications
Applications include linearity determination, theが良く分かったブリッジの二辺としての使用に最適です。応用として、リニアリティの検査、電requiring
accurately
known
voltageorcurrent
measurement of voltage and resistance, and the
圧や抵抗値の計測、電圧、電流、抵抗値の校正があります。
ratios. In particular, the KVD series is especiallycalibration of voltage, current, and resistance.

SPECIFICATIONS
仕様
KVD-600

KVD-700

Equivalent circuit:ケルビン・バーレイ電圧分割器はデジタルポテンショメータと同等と考えることができます。しかし
A Kelvin-Varley voltage divider may be thought ofto zero at the full scale and zero settings. This series resistance has
等価回路：
as being equivalent to a digital potentiometer. However, it has an adno effect in balanced bridge type applications, where these dividers
ながら、摺動子に直列に、フルスケール、あるいはゼロ設定の時にはゼロになる可変の抵抗が付加されています。
ditional, but variable, resistance in series with the wiper arm, which goesare often used.
この直列の抵抗値は分割器がよく使用されるバランスブリッジでの応用では影響を与えません。

SeriesKVD-600

Calibration:
校正
Ratio Range:

Requires external calibration.
0 to 1.0 of input.

Resolution:
分解能
Absolute
Linearity:
絶対リニアリティ[Vout/Vin]-S where S
is the dial setting.
Short-Term
Linearity
短期リニアリティ安定度
Stability:

0.1 ppm with 7 decades.

レシオレンジ

Temperature
Coefficient
温度係数リニアリティ
of Linearity:
Power Coefficient ofパワー係数リニアリティ
Linearity:
最大入力パワー
Maximum
Input Power:
Maximum
Input Voltage:
最大入力電圧Input Resistance:
入力抵抗
Maximum
Output最大出力抵抗Resistance:
端子
Terminals:
Dimensions:

大きさ
Weight:
重さ

LOW

LOW

KVD-700±0.5 ppm
0.2 ppm/30 days under standard
laboratory conditions and VIN <100 V.

0.1 ppm/30 days under standard
laboratory conditions and VIN <100 V.

±2.0 ppm of input/year.

±1.0 ppm of input/year for S=0.1 to 1.1;±(10S)2/3 ppm of input/year for S=0 to 0.1;
Self calibration restores linearity to 0.1 ppm.

<±0.2 ppm/°C.

<±0.1 ppm °C for S=0.1 to 1.1;<±0.1 (10S)2/3 ppm/°C for S=0 to 0.1.

±1 ppm/watt.

<±0.2 ppm of input/W for S=1.1 to 0.1;<±0.2 (10S)2 ppm of input/W for S=0.1 to 0.
2.5 watts; 5 watts intermittent.
10 W at 1.0 INPUT; 11 W at 1.1 INPUT.
1000 V
1000 V at 1.0 input terminal;
1100 V at 1.1 input terminal;
100 kΩ ±50 ppm.
100 kΩ ±50 ppm at 1.0 INPUT;
110 kΩ ±50 ppm at 1.1 INPUT.
66 kΩ, determined by shorting across the input andmeasuring the resistance across the output terminals.
High quality low thermal emf gold plated tellurium copper binding posts.
48.3 cm W x 13.3 cm H x 18.5 cm D
5.25" high rack panel; 13.3 H x 48.2 W x 33.0 D(19.0" x 5.25" x 7.3").
(5.25” x 19.0” x 13.0”).
4.1 kg (9 lb).
8.2 kg (18 lb).

IET LABS, INC. in the GenRad Tradition
534 Main Street, Westbury, NY 11590
36HIGH

Self calibrating; has internal oil bath.
0 to 1.0 input for 1.0 terminal;
0 to 1.1 of input for 1.1 terminal.
0.1 ppm with 7 decades.
±0.1 ppm for S = 0.1 to 1.1;
±0.1(10S)1/3 ppm for S = 0 to 0.1.

長期リニアリティ安定度
Long-Term Linearity
Stability:

1.1
1.0

www.ietlabs.com
TEL: (516) 334-5959 • (800) 899-8438 • FAX: (516) 334-5988
Electronic cat, pp 1-45/p5/04-21-99;33