Digital Meter

Recording Printer

MODEL 442D

■ It is capable of dealing with input 2CH, 5 types of analog signals and 7 types of thermal sensors.
■ It can print measurement data and trend graphs.
■ It can store 2,000 data on each channel and printing for each channel is also possible.
■ Comparing with input value and calculated value, it can give comparative judgement output of 3 point.
■ Compact and inexpensive 2CH recorder.

Standard Specifications

Model Designation

442D	-	□	-	□
		①		②

①Input

DC voltage and current (2ch. in common)

Code	Measuring range	Input resistance	Over load
03	DC 0 to 1 V	1 MΩ	DC ±250 V
04	DC 0 to 5 V
05	DC 0 to 10 V
09	DC 1 to 5 V
19	DC 4 to 20 mA	12.5 Ω	DC ±150 mA

Thermocouple (2ch. in common)

Code	Sensor	Measuring range	Display range
Ｍ	R	100 to 1700°C	-50 to 1750°C
	K	-100 to 1300°C	-200 to 1350°C
	E	-130 to 1000°C	-250 to 1050°C
	J	-140 to 1200°C	-200 to 1250°C
	T	-200 to 400°C	-250 to 420°C
	B	600 to 1800°C	-20 to 1802°C

RTD (2 ch. in common)

Code	Sensor	Measuring range	Display range
P	Pt100Ω	-200.0 to 850.0°C	-200.0 to 870.0°C

②Power Supply

Code	Power supply
A	AC 100 to 240 V
9	DC 24 V ± 10%

General Specifications

Measurement	Nos. of inputs		2 points (A, B)
	DC	Display	0 to 9999, with zero suppress function
		Scaling	Full scale & Offset -9999 to ＋9999
		Over range display	Flashing at 130% of input Flashing when more than 9999.
	Temp.	External resistance	Thermocouple：less than 500 Ω, RTD：less than 5 Ω/wire
		Over load	DC ±10 V
		Resolution	1°C（Thermocouple）, 0.1°C（RTD）
		Over range display	Flashing at minimum value or maximum value display when display range is over.
	Sampling cycle		500ms
	Input configuration		Single ended, floating input
	A/D Conversion		⊿-∑ conversion system
	Display cycle		500ms
Display switching			date(year/month/date), time(hour/minute/second), A, B, Y（A＋B or A-B） can be selected.
Comparison	Comparative digit		4 digits, polarity 1 digit
	Comparison method		3 independent setting, upper and lower limit optional setting are possible. Setting comparison with A, B and Y is optionally possible. CPU comparison method, compares with the displayed value.
	Hysterisis width		1 to 999（3 pts. common）
	Output		AL1, AL2, AL3 Open collector output (NPN) 30 V DC, 30 mA Max.　 Saturation voltage less than 1.6 V DC
Print	Interval printing		0.5s / 1s / 2s / 5s / 10s / 30s / 1min / 5min / 10min / 30min / 1h Memorable number during trend printing: 2,000 data (each A, B)
	Memory printing		Memory interval: 0.5s / 1s / 2s / 5s / 10s / 30s / 1min / 5min / 10min / 30min / 1h Memorable number: 2,000 data (each A, B)
	Print style		Thermal line dot.
	Printing speed		7.5 mm/s, 2 lines/s
	Printing width		46 mm
	Paper feeding pitch		3 mm
	Paper		58 mm width x 48φ (Inside diameter 12φ) Length 25 m (Approx. 8300 lines printable) Use specified chart paper, otherwise printing quality and products lifetime will be out of warrantee.
Computation			Y = A + B, Y = A - B, AVE, MAX, MIN, MID
Control input			Printing operation･･･START, STOP, PRINT Clock adjustment･･･ADJ Dry contact or Open collector (NPN) input, 5 V DC 10 mA
Control output			STATUS Open collector output (NPN) 30 V DC, 30 mA Max. Saturation voltage less than 1.6 V DC
Clock Accuracy			±3s
A leap year adjustment			Automatic adjustment till 2099
Power failure measure			Recorded data and set value is kept to memorize. Calendar clock works. (Battery life approx. 10 years)
Power Supply			AC 100 to 240 V 50/60 Hz　DC 24 V ± 10%
Power Range			AC 90 to 250 V 　DC 21.6 to 26.4 V
Power Consumption			AC 100 V：13 VA, AC 200 V：18 VA DC 24 V：500 mA
Operating Temperature			0 to 50°C
Storage Temperature			-20 to 60°C
Weight			Approx. 700 g
Installation			Panel mounting
Withstand Voltage			Input/Output – Power: 1500 V AC at 1min. (at AC powered) 500 V AC at 1min. (at DC powered)
Insulation Resistance			Input/Output – Power: 500 V DC, More than 50 MΩ (at AC powered) 500 V DC, More than 50 MΩ (at DC powered)

Recording Printer

Standard Specifications

Model Designation

①Input

DC voltage and current (2ch. in common)

Thermocouple (2ch. in common)

RTD (2 ch. in common)

②Power Supply

General Specifications

Printing example