MODEL: AS4T

AS4T SPECIFICATIONS

ES-1608 Rev.16 Page 2/4

https://www.m-system.co.jp/

PV indication: Temperature in engineering unit

Overrange indication: LEDs blinking

Power saving mode: Displays turn off if the keys are

untouched for a preset time period

LEDs: Red LEDs turn on when coils are energized.

(L1 and L2 for 2-point alarm. L1, L2, L3 and L4 for 4-point

alarm.)

INPUT SPECIFICATIONS

Input resistance: 1 MΩ min.

Burnout sensing: 45 nA ±10 %

Default setting: K (CA) -100.0 – +999.9°C

Minimum step:

-199.9 to 999.9: 0.1

Not greater than -200, not lower than 1000: 1

Temperature range

T/C

USABLE RANGE

CONFORMANCE

LIMIT

°C

°F

°C

°F

(PR) *

K (CA) *

E (CRC) *

-52 to +1860

-272 to +1472

-272 to +1020

-61.6 to +3380

-458 to +2682

-458 to +1868

150

-200

-200

302

-328

-328

J (IC)

T (CC) *

B (RH) *

-260 to +1300

-272 to +500

24 to 1920

-436 to +2372

-458 to +932

75.2 to 3488

-260

-200

450

-436

-328

842

R *

S *

C (WRe 5-26)

-100 to +1860

-100 to +1860

-52 to +2416

-148 to +3380

-148 to +3380

-61.6 to +4381

150

150

-52

302

302

-61.6

N

U

L

P (Platinel II)

-272 to +1400

-252 to +600

-252 to +1000

-52 to +1496

-458 to +2552

-422 to +1112

-422 to +1832

-61.6 to +2725

-200

-252

-252

-52

-328

-422

-422

-61.6

* For temperatures ranges near the lower limit of the usable range,

the transmitter may not satisfy the described accuracy.

OUTPUT SPECIFICATIONS

■ Quad Alarm

Relay rating:

120 V AC @ 1 A (cos ø = 1)

240 V AC @ 0.5 A (cos ø = 1)

30 V DC @ 1 A (resistive load)

Maximum switching voltage(Note): 380 V AC or 125 V DC

Maximum switching power(Note): 120 VA or 30 W

Minimum load: 5 V DC @ 10 mA

■ Dual Alarm

Relay rating:

120 V AC @ 5 A (cos ø = 1)

240 V AC @ 2.5 A (cos ø = 1)

30 V DC @ 5 A (resistive load)

Maximum switching voltage(Note): 380 V AC or 125 V DC

Maximum switching power(Note): 600 VA or 150 W

Minimum load: 5 V DC @ 10 mA

(Note): The value indicate capacity of output relay in

equipment.

Use within relay rating for EU and UL.

0

50

100

▲

Input

(%)

LL

L

▲

▲

HH

H

L2 (1–2)

ON

▲

L3 (1–3)

ON

L4 (9–11)

ON

OFF

OFF

L1 (9–10)

ON

OFF

OFF

Alarm Trip Operation

Terminal No. in parentheses

Example with quad N.O. contacts (LL, L, H, HH)

Trip Operation in Power Failure

• Output code 2: All relays turn off.

• Output code 3: All relays turn on.

• Output code 5: Terminals 1 – 3, 9 – 11 turn on.

INSTALLATION

Power consumption

•AC: ≤ 6 VA

•DC: ≤ 3.5 W

Operating temperature: -5 to +55°C (23 to 131°F)

Operating humidity: 30 to 90 %RH (non-condensing)

Mounting: Surface or DIN rail

Weight: 500 g (1.1 lb)

PERFORMANCE in percentage of FS input

Setpoint accuracy (trip point accuracy): ±(0.1 % of FS + 1

digit)

Display accuracy: ±(0.1 % of FS + 1 digit)

Cold junction compensation error: ±0.5°C or ±0.9°F

(at 20°C ±10°C or 68°F ±18°F)

Temp. coefficient: ±0.015 %/°C (±0.008 %/°F)

Response time: ≤ 1.5 sec. (0 – 100 % at 90 % setpoint)

Burnout response: ≤ 5 sec.

Line voltage effect: ±0.1 % over voltage range

Insulation resistance: ≥ 100 MΩ with 500 V DC

Dielectric strength: 2000 V AC @1 minute (input to output

to power to ground)

STANDARDS & APPROVALS

EU conformity:

EMC Directive

EMI EN 61000-6-4

EMS EN 61000-6-2

Low Voltage Directive

EN 61010-1

Measurement Category II (output)