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Description : Digital, LED-Display AC Ammeters with Built-in Current Transformers

DATELs new ACA-20PC Series are the fi rst digital ac Ammeters to incorporate on-board Current Transformers (CT’s), and they are amazingly easy to use. Simply pass the Current-carrying load wire through the ACA-20PC’s on-board CT, apply power to the meters two supply terminals, and you’re instantly measuring ac Currents over one of four ranges (0-2A with 1mA resolu tion, 0-20A with 10mA resolution, or 0-50A and 0-100A with 100mA resolution). Absolutely no external components, such as expensive low-value shunts or 5A "donut" CT’s, are required.
Meters are ac powered (120/220Vac @ 50/60Hz) or dc powered (+5-40V) and imposeminimal loads (50mA max. and 120mA max., respectively) on their supplies. All models employ auto-zeroing circuits, precision bandgap references, and super stable thin-fi lm resistors for unsurpassed accuracy (±0.15%FS) and stability.

FEATURES
Built-in Current Transformers for direct measurement of 0 to 2/20/50/100 Amps
■ Functionally complete:
   On-board Current Transformers
   Scaling/interface circuitry
   Precision A/D converters
   Bright red LED displays
■ 8 different models
■ Subminiature, 1.38" x 0.88" package
■ Easy-to-read, 0.37"/9.4mm digits
■ AC powered models 85-264Vac @ 50/60Hz
■ "Self-powered" 85-264Vac, 2A and 20A models feature Built-in load connections
■ +5-40V dc powered models
■ 2000V isolation; approvals to UL/cUL/IEC/61010-1

Description : Digital, LED-Display AC Ammeters with Built-in Current Transformers (Rev - 2003)

DATELs new ACA-20PC Series are the first digital ac Ammeters to incorporate on board Current Transformers (CT’s), and they are amazingly easy to use. Simply pass the Current-carrying load wire through the ACA-20PC’s on-board CT, apply power to the meters two supply terminals, and you’re instantly measuring ac Currents over one of four ranges (0-2A with 1mA resolution, 0-20A with 10mA resolution, or 0-50A and 0-100A with 100mA resolution). Absolutely no external components, such as expensive low-value shunts or 5A "donut" CT’s, are required.
Meters are ac powered (120/220Vac @ 50/60Hz or 120Vac @ 400Hz) or dc powered (+5-40V) and impose minimal loads (50mA max. and 120mA max., respectively) on their supplies. All models employ auto-zeroing circuits, precision bandgap references, and super stable thin-film resistors for unsurpassed accuracy (±0.15%FS) and stability.

Features
Built-in Current Transformers for direct measurement of 0 to 2/20/50/100 Amps
• Functionally complete:
   On-board Current Transformers
   Scaling/interface circuitry
   Precision A/D converters
   Bright red LED displays
• 32 different models
• Subminiature, 1.38" x 0.88" package
• Easy-to-read, 0.37"/9.4mm digits
• AC powered models:
   85-264Vac @ 50/60Hz
   85-140Vac @ 400Hz
• "Self-powered" 85-264Vac, 2A and 20A
   models feature Built-in load connections
• +5-40V dc powered models
• 2000V isolation; UL/CSA recognized

Description : Digital, LED-Display AC Ammeters with Built-in Current Transformers

DATELs new ACA-20PC Series are the first digital ac Ammeters to incorporate on board Current Transformers (CT’s), and they are amazingly easy to use. Simply pass the Current-carrying load wire through the ACA-20PC’s on-board CT, apply power to the meters two supply terminals, and you’re instantly measuring ac Currents over one of four ranges (0-2A with 1mA resolution, 0-20A with 10mA resolution, or 0-50A and 0-100A with 100mA resolution). Absolutely no external components, such as expensive low-value shunts or 5A "donut" CT’s, are required.
Meters are ac powered (120/220/277Vac @ 50/60Hz or 120Vac @ 400Hz) or dc powered (+5V, +5-40V, or +36-75V) and impose minimal loads (50mA max. and 120mA max., respectively) on their supplies. All models employ auto-zeroing circuits, precision bandgap references, and super stable thin-film resistors for unsurpassed accuracy (±0.15%FS) and stability.

Features
Built-in Current Transformers for direct measurement of 0 to 2/20/50/100 Amps
• Functionally complete:
   On-board Current Transformers
   Scaling/interface circuitry
   Precision A/D converters
   Bright red or green LED displays
• 32 different models
• Subminiature, 1.38" x 0.88" package
• Easy-to-read, 0.37"/9.4mm digits
• AC powered models:
   85-264Vac @ 50/60Hz
   240-310Vac @ 50/60Hz
   85-140Vac @ 400Hz
• "Self-powered" 85-264Vac, 2A and 20A
   models feature Built-in load connections
• DC powered models:
   +5V, +5-40V, +36-75V
• 2000V isolation; UL/CSA recognized

Description : Digital, LED-Display AC Ammeters with Built-in Current Transformers (Rev - 2008)

DATELs new ACA-20PC Series are the fi rst digital ac Ammeters to incorporate on-board Current Transformers (CT’s), and they are amazingly easy to use. Simply pass the Current-carrying load wire through the ACA-20PC’s on-board CT, apply power to the meters two supply terminals, and you’re instantly measuring ac Currents over one of four ranges (0-2A with 1mA resolution, 0-20A with 10mA resolution, or 0-50A and 0-100A with 100mA resolution). Absolutely no external components, such as expensive low-value shunts or 5A "donut" CT’s, are required.
Meters are ac powered (120/220Vac @ 50/60Hz) or dc powered (+5-40V) and imposeminimal loads (50mA max. and 120mA max., respectively) on their supplies. All models employ auto-zeroing circuits, precision bandgap references, and super stable thin-fi lm resistors for unsurpassed accuracy (±0.15%FS) and stability.

FEATURES
Built-in Current Transformers for direct measurement of 0 to 2/20/50/100 Amps
■ Functionally complete:
   On-board Current Transformers
   Scaling/interface circuitry
   Precision A/D converters
   Bright red LED displays
■ 8 different models
■ Subminiature, 1.38" x 0.88" package
■ Easy-to-read, 0.37"/9.4mm digits
■ AC powered models 85-264Vac @ 50/60Hz
■ "Self-powered" 85-264Vac, 2A and 20A models feature Built-in load connections
■ +5-40V dc powered models
■ 2000V isolation; approvals to UL/cUL/IEC/61010-1

Description : Digital, LED-Display AC Ammeters with Built-in Current Transformers (Rev - 2013)

DATELs new ACA-20PC Series are the fi rst digital ac Ammeters to incorporate on-board Current Transformers (CT’s), and they are amazingly easy to use. Simply pass the Current-carrying load wire through the ACA-20PC’s on-board CT, apply power to the meters two supply terminals, and you’re instantly measuring ac Currents over one of four ranges (0-2A with 1mA resolu tion, 0-20A with 10mA resolution, or 0-50A and 0-100A with 100mA resolution). Absolutely no external components, such as expensive low-value shunts or 5A "donut" CT’s, are required.
Meters are ac powered (120/220Vac @ 50/60Hz) or dc powered (+5-40V) and imposeminimal loads (50mA max. and 120mA max., respectively) on their supplies. All models employ auto-zeroing circuits, precision bandgap references, and super stable thin-fi lm resistors for unsurpassed accuracy (±0.15%FS) and stability.

FEATURES
Built-in Current Transformers for direct measurement of 0 to 2/20/50/100 Amps
■ Functionally complete:
   On-board Current Transformers
   Scaling/interface circuitry
   Precision A/D converters
   Bright red LED displays
■ 8 different models
■ Subminiature, 1.38" x 0.88" package
■ Easy-to-read, 0.37"/9.4mm digits
■ AC powered models 85-264Vac @ 50/60Hz
■ "Self-powered" 85-264Vac, 2A and 20A models feature Built-in load connections
■ +5-40V dc powered models
■ 2000V isolation; approvals to UL/cUL/IEC/61010-1

Description : Digital-Readout LED-Display 50-2000A AC Ammeters

ACA5-20PC Series AC Ammeters are designed to scale and digitally display the output of standard, 5A-output Current Transformers (50:5A, 500:5A, 1000:5A, etc.). Simply pass the secondary/output wires of the "primary" CT through the ACA5-20PC's on-board CT, apply power to the meter, and you're instantly measuring ac Currents over one of 14 ranges from 0-50A (with 100mA resolution) to 0-2000A (with 1A resolution). Because they accept outputs from previously installed high-Current CT's, ACA5-20PC's can instantly bring modern digital precision to older ac Ammeters.

Features
· Scales and displays the output of 50:5A to 2000:5A Current Transformers
· 14 ranges (0-50 Amp to 0-2000 Amp)
· 3 LED options, 6 power options, 112 models
· Functionally complete:
   On-board 5A Current Transformers
   Scaling/interface circuitry
   Precision A/D converters
   Bright red or green LED displays
· Subminiature, 1.38" x 0.88" package
· Easy-to-read, 0.37"/9.4mm digits
· AC powered models: 120Vac @ 400Hz, 120/220/277Vac @ 50/60Hz
· AC models can be "self-powered"
· DC powered models: +5V, +5-40V, +36-75V
· 2000V isolation; UL/CSA recognized
· Digital replacements for analog Ammeters

 

Description : 5 Amp Input LED-Display AC Ammeters

ACA5-20PC Series AC Ammeters are designed to scale and digitally display the output of standard, 5A-output Current Transformers (50:5A, 500:5A, 1000:5A, etc.). Simply pass the secondary/output wires of the "primary" CT through the ACA5-20PC's on-board CT, apply power to the meter, and you're instantly measuring ac Currents over one of 14 ranges from 0-50A (with 100mA resolution) to 0-2000A (with 1A resolution). Because they accept outputs from previously installed high-Current CT's, ACA5-20PC's can instantly bring modern digital precision to older ac Ammeters.

FEATURES
■ Scales and displays the output of 50:5A to 2000:5A
Current Transformers
■ 14 ranges (0-50 Amp to 0-2000 Amp)
■ 2 Power options, 28 models
■ Functionally complete:
On-board 5A Current Transformers
Scaling/interface circuitry
Precision A/D converters
Bright red or green LED displays
■ Subminiature, 1.38" x 0.88" package
■ Easy-to-read, 0.37"/9.4mm digits
■ AC powered models: 120/220Vac @ 50/60Hz
■ AC models can be "self-powered"
■ +5-40V dc powered model
■ 2000V isolation; UL/CSA recognized
■ Digital replacements for analog Ammeters

Hammond Manufacturing Ltd.
Hammond Manufacturing Ltd.
Description : Current Transformers - Indoor Toroidal (CT Series)

SMALL Current Transformers

• Toroidal design.
• Supplied with 24" insulated secondary leads, terminated with crimped ring connectors.
• Suitable for use with bare (uninsulated) primary conductor in circuits up to 600 V (4 KV Hi pot); or at higher voltages when a suitably insulated conductor is used.
• All units have 5 A secondary for use with standard AC Ammeters with 5 A movements.
• Two hole mounting bracket on all models.

Part Name(s) : BA6144
ROHM Semiconductor
ROHM Semiconductor
Description : LED level meter driver, 5-point, VU scale

LED level meter driver, 5-point, VU scale

The BA6144 is a driver IC for LED VU level meters in stereo equipment and other display applications.
The IC displays the input level (range: 13dB to +17dB) on a 5-point, bar-type LED display.The BA6144 includes a rectifier amplifier allowing direct AC input, and has constant-Current outputs, so it can directly drive the LEDs without variations in LED Current due to supply voltage fluctuations.

Features
1) Rectifier amplifier allows either AC or DC input.
2) Wide display level range (13 to +17), so signals with large dynamic range can be displayed.
3) Constant-Current outputs for constant LED Current when the power supply voltage fluctuates.
4) Built-in reference voltage means that power supply voltage fluctuations do not effect the display.
5) Wide operating power supply voltage range (5.5V to 16V) for a wide range of applications.
6) Low PCB space requirements. Comes in a compact 9-pin SIP package and requires few external compo
nents.

Applications
VU meters, signal meters, and other display devices.

Part Name(s) : NTE1866
NTE Electronics
NTE Electronics
Description : Integrated Circuit 5–Point LED VU Scale Bar Level Meter Driver

Description:
The NTE1866 is a monolithic integrated circuit in a 9–Lead SIP type package designed for use as an LED level meter driver for radio cassette recorders and other audio products.

Features;
● Rectifying amplifiers are used to allow operation by AC or DC input.
● The wide display range covers –13dB to +17dB, enabling the display of even signals with wide dynamic range.
● The drive Current for the LEDs is regulated, eliminating LED Current variations with supply voltage variations.
● The reference voltage is built in to eliminate output display variations with variations of supply voltage.
● Wide supply voltage range (3.5V to 16V) enables a wide range of applications.

Applications:
● VU meters
● Signal meters
● Other display devices

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