ĐỒNG HỒ ĐO NHIỆT ĐỘ WIKA TGT70

Measurement principle: Bourdon tube system

Nominal size in mm: 63 [2 ½"]; 100 [4"]

Instrument version

Version H

      63 [2 ½"]: Lower mount (radial) Instrument with remote capillary, rear surface mounting flange.

      100 [4"] Lower mount (radial) Instrument with remote capillary, rear surface mounting flange.

Version M

      63 [2 ½"]: Lower mount (radial) Instrument with remote capillary, instrument mounting bracket

      100 [4"]: Lower mount (radial) Instrument with remote capillary, instrument mounting bracket

Version B

      63 [2 ½"] Back mount (axial) Instrument with remote capillary, triangular profile ring and mounting clamp

Version R

      100 [4"] Lower mount (radial) Direct connection without remote capillary

Connection design

      1 Plain stem (without thread)

      2 Male nut

      3 Union nut

      4 Compression fitting (sliding on stem)

      5 Union nut and loose threaded connection

      6 Compression fitting (sliding on remote capillary)

      Further connection designs on request

Unit (scale range): °C; °F; °C/°F (dual scale)

Process connection: Plain

Indication accuracy:  Class 2, EN 13190

Stem diameter: 8 mm [0.31 in]

Window: Laminated safety glass

Active probe length: Depending on Ø d and scale range

Remote capillary

      Ø 2 mm [0.08 in], stainless steel 1.4571, bending radius no less than 6 mm [0.24 in]

      Length to customer specification (max. 10 m [32.81 ft])

Connection location: Lower mount (radial); Back mount (axial)

Remote capillary mounting: Take care that the mounting is free from vibration

Process connection: Stainless steel 1.4571

Stem: Stainless steel 1.4571

Case, bayonet ring: Stainless steel

Dial: Plastic, white, black lettering

Dial sticker: Plastic, white with logo

Pointer: Aluminium, black

Fill fluid of measuring system: Xylene; Silicone oil

Thermowell/protection tube: Without; Per DIN; To customer specification

Ingress protection per IEC/EN 60529: IP65

Permissible temperatures

      Ambient temperature at case: Max. 0 ... 40 °C [32 ... 104 °F] (others on request)

      Storage and transport per EN 13190: -20 ... +60 °C [-4 ... +140 °F]

Permissible operating pressure at the stem: Max. 25 bar [362.59 psi], static

Electrical connection: Lateral cable socket; Cable gland; Cable outlet; M12 connector

Voltage signal

      For Us = DC 5 V, ratiometric: 0.5 … 4.5 V

      For Us = DC 12 … 32 V

      not ratiometric (NS 100 [4"] only): 0.5 … 4.5 V

Current output: 4 … 20 mA, 2-wire

Accuracy of electrical output signal: Mechanical ±1 % of measuring span

Supply voltage US: DC 5 V / DC 12 … 32 V

Electromagnetic compatibility: Per test standards EN 61000-4-6 / EN 61000-4-3

Output signal and permissible load

      Voltage output (3-wire) RA > 5 kΩ

      Current output (2-wire) 4 ... 20 mA RA ≤ (USIG - 10 V) / 0.02 A with RA in Ω and USIG in DC V