(1)The application of voltage or current exceeding its maximum
allowable value to the input terminals may result in instrument
damage.
(2)The supply of power out of its allowable range may cause fire,
electric shock or instrument failure.
(3)The content of this manual may subject to change without prior
notice for product improvement.
(4)This manual is carefully prepared. However, if any question
arises, or any mistake, omission or suggestion is found in the
content of this manual, contact your nearest our sales agent.
(5)Make this manual available easily anytime.
１．Specifications
●DC Voltage Measurement
Model &
Range Code
Measuring
Range
Maximum
Resolution
Input
Impedance
Maximum
Allowable
Input voltage
AP-101-11
±199.9mV
100μV
100MΩ
±250V
AP-101-12
±1.999V
1mV
100MΩ
±250V
AP-101-13
±19.99V
10mV
10MΩ
±250V
AP-101-14
±199.9V
100mV
10MΩ
±500V
AP-101-15
±700V
1V
10MΩ
±700V
Accuracy: ±(0.1% of rdg +1digit)(at 23℃±5℃ 35 to 85% RH)
[±(0.3% of rdg +1digit)only for AP-101-15]
●DC Current Measurement
Model &
Range Code
Measuring
Range
Maximum
Resolution
Internal
Resistance
Maximum
Allowable
Current
AP-101-21
±199.9μA
100nA
1kΩ
±10mA
AP-101-22
±1.999mA
1μA
100Ω
±50mA
AP-101-23
±19.99mA
10μA
10Ω
±150mA
AP-101-24
±199.9mA
100μA
1Ω
±500mA
AP-101-25
±1.999A
1mA
0.1Ω
±3A
Accuracy: ±(0.2% of rdg +1digit)(at 23℃±5℃ 35 to 85% RH)
[±(0.3% of rdg +1digit)only for AP-101-25]
●Model Configuration
(Example)
The above standards do not apply to the panel meter
with “15 range”.
２．Common Specifications
Measuring function
: DC voltage measurement.
Specify one model from among 9
models.
Operation method
：Dual slope integration
Input circuit
：Single-ended type
Input bias current
：50pA(Typical)
Sampling speed
：2.5 times/sec.
Noise elimination
：More than 40dB(50/60Hz)(Typical)
Max. No. of display
digits
：1999
Overrange alarm
：1999 or -1999 flashes when an input
exceeding the maximum display range
is applied.
Display
：LED(Light Emitting Diode)numeric
element
Height; 14.2mm red
Polarity
：Automatic Polarity selection
Polarity display
：“-“ is displayed automatically if
input signal becomes negative.
External control
：・External display hold
A negative signal of 0V or a contact
signal.
・External start
A positive pulse from 0V to +5V for
more than 400ms. or a contact
signal(open)
Decimal point
：Settable to any digit position
Operating
temperature/humidity
：0 to 50℃/35 to 85%RH
(Nodew-Condense)
Storage temperature
： -10 to 70℃,60%RH max.
Power supply
：For AC, 90V to 132V 50/60Hz
Approx.2.0VA(at 100V)
180V to 264V
For DC, 5V DC ±5% 150mA(MAX)
Isolated
24V DC±20% 40mA(MAX)
Isolated
Dimensions
: 96mm(W)×48mm(H)×73mm(D)
Weight
: For AC; Approx.150g(Mainframe)
For DC; Approx.85g(Mainframe)
Dielectric strength
: For AC; 2100VAC for 1 minute between
power supply terminal and input
terminal/COMMON
For DC; DC±500V between input (LO)
terminal and power terminal(0V)
Insulation
resistance
:More than 100MΩ at 500VDC
between power terminal and input
terminal
Accessories
:Instruction manual, connector
Standards
: EN61326-1:2006
EMI:Class A
EMS:Industrial locations
※Cable length:30m or less
※In the case of DC drive DC power
supply port: DC connections between
parts of equipment
EN61010:2001
The above standards do not apply to
the panel meter with “15 range”.
Setup enviroment
: Installation categoryⅡ,
Pollution degree2
Altitude
: 2000m max.
Caution
Attention
The mark on the label indicates the measuring
range in the specification of item 1.
Do not disassemble or touch the interior
while the power is ON.
This may cause an electric shock.
INSTRUCTION MANUAL
DIGITAL PANEL METER
MODEL AP-101 Series
Warning
Incorrect handling may cause
death or injury.
(3/4)
On the AP-101, connect the control inputs(HOLD,Decimalpoint)to
base-isolated devies when the input signal is 70V DC or more.
WATANABE ELECTRIC INDUSTRY CO., LTD.
11.±199.9mV
12.±1.999V
13.±19.99V
14.±199.9V
Series
Basic Model
Range code
Power supply
4. DC24V
3. DC 5V
2. AC180V to 264V
1. AC 90V to 132V
21.±199.9μA
22.±1.999mA
23.±19.99mA
24.±199.9mA
25.±1.999A
AP-101-11-1
15.± 700V
