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Laboratory capacitance decade

The HACS-Z Capacitance Decade Box.
The HACS-Z Capacitance Decade provides a wide range of capacitance in increments as low as 1 pF
and a total capacitance of up to 10,000 µF.
With its high quality, tight tolerance capacitors, it is an ideal part of a test or calibration system.
The shielding is divided into two different parts: an inner shield that minimizes the low terminal-to-guard
capacitance, and an outer shield (the case) that minimizes the detector input capacitance and noise.
When these two shields are connected together, the HACS-Z becomes an excellent 3-terminal capacitance
substituter with low zero capacitance.

HACS-Z Capacitance Decade

Model  Description 
HACS-Z  HACS-Z Capacitor Decade Box.

Accuracy:
A: ±(0.05% + 0.5 pF); ± 0.5% for 100 µF steps.
B: ±(0.1% + 1.0 pF); ± 0.5% for 100 µF steps. at 1 kHz, 23°C, no zero subtraction, measured with a 3-terminal
connection. (Calibration at other frequencies is available, and different frequencies may be selected for different decades.) NIST traceable.
Range: 0 to 10,000 µF available, with minimum increments of 1 pF.
Dissipation Factor at 1 kHz:
<0.0017 for 1 pF, 10 pF, and 100 pF steps;
<0.0003 for 1 nF through 100 nF steps;
<0.0007 for 1 µF steps;
<0.007 for 10 µF steps.
Zero Capacitance:
0.1 pF, measured with a 3-terminal connection, for units with highest decade steps 100 nF;
2 pF, measured with a 3-terminal connection, for units with highest decade steps 1 µF;
Stability:
A: ±(100 ppm +0.1 pF) per year for 0.1 µF steps and under; ±(150 ppm) per year for 1 µF steps and over.
B: ±(200 ppm +0.1 pF) per year for all steps. Maximum Voltage: 500 V peak up to 0.1 µF steps, up to 10 kHz. Temperature Coefficient:
A: <±20 ppm/°C for 0.1 µF steps and under; <-60±50 ppm/°C for 1 µF steps; <±90 ppm/°C for 10 µF steps and over.
B: <±75 ppm/°C for 0.1 µF steps and under; <-60±50 ppm/°C for 1 µF steps; <±110 ppm/°C for 10 µF steps and over.
Terminals: BNC; binding posts for high capacitance, >100 µF.
Insulation Resistance: >50,000 M.
Operating Temperature Range: 10°C to 40°C.
Operating Frequency Range: 10 Hz or less to at least 1 MHz.
Shielding: Double shielded construction.
Dimensions: 43.2 cm W x 17.8 cm H x 23.9 cm D (17" x 5.6" x 12"), for 6 decade version.
Weight: 5.9 kg (13 lb), for 6 decade version.
Connection to Substituter:
BNC (standard) or 874 type coaxial connectors (optional) labeled HI and LO on front panel.
Also available is an optional 36 pin connector providing individual BCD weighted equivalent contacts for
each decade.

Capacitance Decade Selection
Models Total Capacitance No. of decades Resolution
Accuracy 0.05%  Accuracy 0.1% 
HACS-Z-A-3E-1pF
HACS-Z-A-3E-10pF
HACS-Z-A-3E-100pF
HACS-Z-A-3E-1nF
HACS-Z-A-3E-10nF
HACS-Z-A-3E-100nF
HACS-Z-A-3E-1µF
HACS-Z-A-3E-10µF 
 HACS-Z-B-3E-1pF
 HACS-Z-B-3E-10pF
 HACS-Z-B-3E-100pF
 HACS-Z-B-3E-1nF
 HACS-Z-B-3E-10nF
 HACS-Z-B-3E-100nF
 HACS-Z-B-3E-1µF
 HACS-Z-B-3E-10µF
 1,110 pF
 11,100 pF
 111,000 pF
 1.11 µF
 11.1 µF
 111 µF
 1,110 µF
 11,100 µF  

 3
 3
 3
 3
 3
 3
 3
 3


 1 pF
 10 pF
 100 pF
 1 nF
 10 nF
 100 nF
 1 µF
 10 µF
 
HACS-Z-A-4E-1pF
HACS-Z-A-4E-10pF
HACS-Z-A-4E-100pF
HACS-Z-A-4E-1nF
HACS-Z-A-4E-10nF
HACS-Z-A-4E-100nF
HACS-Z-A-4E-1µF 
 
 HACS-Z-B-4E-1pF
 HACS-Z-B-4E-10pF
 HACS-Z-B-4E-100pF
 HACS-Z-B-4E-1nF
 HACS-Z-B-4E-10nF
 HACS-Z-B-4E-100nF
 HACS-Z-B-4E-1µF
 
 11,110 pF
 0.1111 µF
 1.111 µF
 11.11 µF
 111.1 µF
 1,111. µF
 11,110 µF  

 4
 4
 4
 4
 4
 4
 4


 1 pF
 10 pF
 100 pF
 1 nF
 10 nF
 100 nF
 1 µF
  
HACS-Z-A-5E-1pF
HACS-Z-A-5E-10pF
HACS-Z-A-5E-100pF
HACS-Z-A-5E-1nF
HACS-Z-A-5E-10nF
HACS-Z-A-5E-100nF 
 
 HACS-Z-B-5E-1pF
 HACS-Z-B-5E-10pF
 HACS-Z-B-5E-100pF
 HACS-Z-B-5E-1nF
 HACS-Z-B-5E-10nF
 HACS-Z-B-5E-100nF
 
 0.111 11 µF
 1.111 1 µF
 11.111 µF
 111.11 µF
 1,111.1 µF
 11,111 µF  

 5
 5
 5
 5
 5
 5
 

 1 pF
 10 pF
 100 pF
 1 nF
 10 nF
 100 nF
  
HACS-Z-A-6E-1pF
HACS-Z-A-6E-10pF
HACS-Z-A-6E-100pF
HACS-Z-A-6E-1nF
HACS-Z-A-6E-10nF 
 HACS-Z-B-6E-1pF
 HACS-Z-B-6E-10pF
 HACS-Z-B-6E-100pF
 HACS-Z-B-6E-1nF
 HACS-Z-B-6E-10nF
  1.111 11 µF
 11.111 1 µF
 111.111 µF
 1,111.11 µF
 11,111.1 µF

 6
 6
 6
 6
 6


 1 pF
 10 pF
 100 pF
 1 nF
 10 nF
  

*For 10 position switches, "0" - "9", in lieu of 11 position "0" - "10", delete E from model number.
Add suffix: BCD- for the BCD output option, RM-for rack mount option.

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