MODEL: M2RT

M2RT SPECIFICATIONS

ES-5129 Rev.4 Page 1/3

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

Super-mini Signal Conditioners Mini-M Series

RTD TRANSMITTER

(photovoltaic system, instrument shelter)

Functions & Features

• Accepts direct input from an RTD

• Linearization

• Burnout

• “Active bridge” circuit containing two constant current

sources allows large leadwire resistances up to 200 Ω

• Fast response type available

Typical Applications

• Long distance transmission between the RTD and the

transmitter

Model

SPAN

ZERO

23 (.91)

76

(2.99)

124

(4.88)

mm (inch)

MODEL: M2RT–[1][2]–[3][4]

ORDERING INFORMATION

• Code number: M2RT-[1][2]-[3][4]

Specify a code from below for each of [1] through [4].

(e.g. M2RT-4A-M2/BL/CE/Q)

• Temperature range (e.g. 0 – 500°C)

• Special output range (For codes Z & 0)

• Specify the specification for option code /Q

(e.g. /C01/S01)

For the input code C, specify also the following. If not

specified, Cu 10Ω @25°C (usable range -200 – +260°C) will

be used.

• Input type (e.g. Cu 10Ω)

• Resistance range (e.g. 9.038 – 12.891 Ω)

[1] INPUT RTD (2- or 3-wire)

1: JPt 100 (JIS'89)

(Usable range: -200 to +500°C, -328 to +932°F; min.span: 50°C, 90°F)

3: Pt 100 (JIS'89)

(Usable range: -200 to +650°C, -328 to +1202°F; min.span: 50°C, 90°F)

4: Pt 100 (JIS'97, IEC)

(Usable range: -200 to +650°C, -328 to +1202°F; min.span: 50°C, 90°F)

5: Pt 50 Ω (JIS'81)

(Usable range: -200 to +500°C, -328 to +932°F; min.span: 100°C, 180°F)

6: Ni 508.4 Ω

(Usable range: -50 to +200°C, -58 to +392°F; min.span: 30°C, 54°F)

C: Cu (Refer to ‘Cu INPUT’.)

0: Specify

Note: Consult M-System for 2-wire RTD

[2] OUTPUT

Current

A: 4 – 20 mA DC (Load resistance 750 Ω max.)

B: 2 – 10 mA DC (Load resistance 1500 Ω max.)

C: 1 – 5 mA DC (Load resistance 3000 Ω max.)

D: 0 – 20 mA DC (Load resistance 750 Ω max.)

E: 0 – 16 mA DC (Load resistance 900 Ω max.)

F: 0 – 10 mA DC (Load resistance 1500 Ω max.)

G: 0 – 1 mA DC (Load resistance 15 kΩ max.)

Voltage

1: 0 – 10 mV DC (Load resistance 10 kΩ min.)

2: 0 – 100 mV DC (Load resistance 100 kΩ min.)

3: 0 – 1 V DC (Load resistance 1000 Ω min.)

4: 0 – 10 V DC (Load resistance 10 kΩ min.)

5: 0 – 5 V DC (Load resistance 5000 Ω min.)

6: 1 – 5 V DC (Load resistance 5000 Ω min.)

0: Specify voltage (See OUTPUT SPECIFICATIONS)

[3] POWER INPUT

AC Power

M2: 100 – 240 V AC (Operational voltage range 85 – 264 V,

47 – 66 Hz)

DC Power

R: 24 V DC

(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)

R2: 11 – 27 V DC

(Operational voltage range 11 – 27 V, ripple 10 %p-p max.)

(Select ‘/N’ for ‘Standards & Approvals’ code.)

P: 110 V DC

(Operational voltage range 85 – 150 V, ripple 10 %p-p max.)

[4] OPTIONS (multiple selections)

Response Time (0 – 90 %)

blank: Standard (≤ 0.5 sec.)

/K: Fast Response (Approx. 25 msec.)

Burnout

blank: Upscale burnout

/BL: Downscale burnout

Standards & Approvals (must be specified)

/N: Without CE

/CE: CE marking

Other Options

blank: none

/Q: Option other than the above (specify the specification)