Delta MS 300M - Display Solar Power Calculator Specifications download pdf (Page 17)

Precision Power Analyzer WT3000

Voltage Fluctuation/Flicker Measurement (/FL optional)

• Normal Flicker Measurement Mode

Item Specifications

Measurement Items dc Relative steady-state voltage change

(Measurement Functions)

dmax Maximum relative voltage change

d(t) The time during which the relative voltage change during a

voltage fluctuation period exceeds the threshold level

The maximum value within a observation period is displayed for

the items above.

Pst Short-term flicker value

Plt Long-term flicker value

One observation period 30 min to 15 s

Observation period count

1 to 99

• Measurement of dmax Caused by Manual Switching Mode

Item Specifications

Measurement dmax Maximum relative voltage change

(Measurement Functions)

One observation period 1 minute

Observation period count

Averaging Average of 22 measured dmax values excluding the maximum and

minimum values among 24 values

• Items Common to Measurement Modes

Item Specifications

Target voltage/frequency

230 V/ 50 Hz or 120 V/60 Hz

Measured item All installed elements

Measured source input Voltage (current measurement function not available)

Flicker scale 0.01 to 6400P.U. (20%) divided logarithmically into 1024 levels.

Display update 2 s (dc, dmax, and d(t))

For every completion of a observation period (Pst)

Communication output dc. dmax, d(t), Pst, Plt, instantaneous flicker sensation (IFS), and

cumulative probability function (CPF)

Printer output Screen image

External storage output Screen image

Accuracy dc, dmax: 4% (at dmax = 4%)

Pst: ±5% (at Pst = 1)

Conditions for the accuracy above

• Ambient temperature: 23 ± 1°C

• Line filter: OFF

• Input voltage range

220V to 250V at the 300V measuring range (50Hz)

110V to 130V at the 150V measuring range (60Hz)

Cycle-by-cycle measurement (/CC optional)

Synch source Select an external source of U1, I1, U2, I2, U3, I3,

U4, or I4.

(the above parameters are measured continuously

for each cycle of the one sync source signal)

Number of measurements 10-3000

Timeout time 0, 1-3600 seconds (set in units of seconds), 0(approximately

24 hours)

Synch source frequency range

1 Hz to 1000 Hz (for U and I)

0.1 Hz to 1000Hz (for external sync source)

Accuracy U, I, P: Add [(0.3+2*f) % of reading+ ((0.05+0.05*f)

% of range] to the accuracy for normal

measurement. For external sensor input,

Add (100+100*f) uV to the accuracy.

Freq Add [(0.3+2*f)% of reading to the accuracy

for normal measurement.

*f is kHz

GP-IB Interface

Use one of the following by NATIONAL INSTRUMENTS:

• AT-GPIB

• PCI-GPIB and PCI-GPIB+

• PCMCIA-GPIB and PCMCIA-GPIB+

Use driver NI-488.2M version 1.60 or later.

Conforms electrically and mechanically to IEEE St’d 488-1978

(JIS C 1901-1987).

Functional specification SH1, AH1, T6, L4, SR1, RL1, PP0,

DC1, DT1, and C0.

Conforms to protocol IEEE St’d 488.2-1987.

Encoding ISO (ASCII)

Mode Addressable mode

Address 0–30

Clear remote mode Remote mode can be cleared using the LOCAL key (except

during Local Lockout).

Ethernet Communications (/C7 Optional)

Number of communication ports

Connector type RJ-45 connector

Electrical and mechanical specifications Conforms to IEEE 802.3.

Transmission system Ethernet 100BASE—TX/10BASE-T

Transmission rate 10 Mbps/100Mbps

Protocol TCP/IP

Supported Services FTP server,FTP client (network drive),LPR client (network

printer), SMTP client (mail transmission), Web server, DHCP,

DNS, Remote control

Connector Type RJ-45connector

Serial (RS-232) Interface (/C2 Optional) * Select USBport (PC) or RS-232

Connector type 9-pin D-Sub (plug)

Electrical specifications Conforms with EIA-574 (EIA-232 (RS-232) standard for 9-pin)

Connection type Point-to-point

Communication mode Full duplex

Synchronization method Start-stop synchronization

Baud rate Select from the following.

1200,2400,4800,9600,19200 bps

USB port(PC) (/C12 Optional) * Select USBport (PC) or RS-232

Connector Type B connector (receptacle)

Electrical and Mechanical Specifications Conforms to USB Rev.1.1

Speed Max. 12 Mbps

Number of Ports 1

Supported service Remote control

Supported Systems Models with standard USB ports that run Windows 2000 or

Windows XP with USB port as a standard. (A separate device

driver is required for connecting to a PC.)

USB port(Peripheral) (/C5 Optional)

Connector Type A connector (receptacle)

Electrical and Mechanical Specifications Conforms to USB Rev.1.1

Speed Max. 12 Mbps

Number of Ports 2

Supported keyboards 104 keyboard (US) and 109 keyboard (Japanese) conforming

to USB HID Class Ver.1.1devices

Supported USB memory devices USB (USB memory) flash memory

Power supply 5 V, 500 mA (per port)

However, device whose maximum current consumption

exceeds 100 mA cannot be connected simultaneously to the

two ports.

External I/O

I/O Section for Master/Slave Synchronization Signals

Connector type BNC connector: Both slave and master

External Clock Input Section

Connector type BNC connector

Input level TTL

Inputting the synchronization source as the Ext Clk of normal measurement.

Frequency range Same as the measurement range for frequency measurement.

Input waveform 50% duty ratio square wave

Inputting the PLL source as the Ext Clk of harmonic measurement.

Frequency range 10 Hz to 2.5 kHz

Input waveform 50% duty ratio square wave

Inputting the external sampling clock (Smp Clk) of wide bandwidth harmonic measurement.

Frequency range 3000 times the frequency of 0.1 Hz to 66 Hz

Input waveform 50% duty ratio square wave

For Triggers

Minimum pulse width 1 µs

Trigger delay time Within (1 µs + 1 sample rate)

PC Card Interface TYPE II (Flash ATA card)

General Specifications

Warm-up time Approximately thirty minutes.

Operating temperature: 5–40°C

Operating humidity: 20–80% (when printer not used), 35 to 80% RH (when printer

is used)

(No condensation may be present)

Operating altitude 2000 m or less

Storage environment: -25–60°C (no condensation may be present)

Storage humidity: 20 to 80% RH (no condensation)

Rated supply voltage 100–240 VAC

Allowed supply voltage fluctuation range 90–264 VAC

Rated supply frequency 50/60 Hz

Allowed supply frequency fluctuation 48 to 63 Hz

Maximum power consumption

150 VA (when using built-in printer)

Weight Approximately 15 kg (including main unit, 4 input elements,

and options)

Battery backup Setup information and internal clock are backed up with the

lithium battery

1 2 ... 12 13 14 15 16 17 18 19

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Delta MS 300M - Display Solar Power Calculator Specifications Page 17

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