PHD-11HT-*1

Main technical parameters

Number of channels:

one input and one output

Power supply:

Power supply voltage:

20~35V DC, power consumption of about 1.2W (24V DC, output 20mA)

Power protection:

power reverse protection

Hazardous side input:

Input Signal:

K, S, E, J, B, T, R, N thermocouple signals (see "Input Signal Types and Ranges Table")

Signal range:

Corresponding to the measurement range of thermocouple -10~100mV.

Measuring range:

the user to develop their own configuration when ordering, specified in the end number or other instructions

Built-in cold end compensation:

±1℃ (compensation range -20℃~+60℃)

Safety side output:

Output signal:

4~20mA

Allowable Output Load Capacity:

0～500Ω (Customizable)

LED indicator:

Green ⸺Power indicator;  L1 light on for low range alarm; L2 light on for high range alarm.

Output accuracy:

See "Input signal type and range table".

Response time:

500ms to 90% of final value

Temperature Drift:

0.005%F.S/°C

Temperature parameters:

operating temperature -20℃~+60℃; storage temperature -40℃~+80℃

Air relative humidity:

10%~95%RH without condensation

Insulation strength:

intrinsically safe end and non-intrinsically safe end (≥3000V AC/min); between power supply and non-intrinsically safe (≥1500V AC/min)

Insulation resistance:

≥100MΩ (input/output/power supply between)

Electromagnetic compatibility:

in line with IEC 61326-1 (GB/T 18268), IEC 61326-3-1

Mean time to failure:

100000 hours

Wire requirements:

cross-section ≥ 0.5mm2; insulation strength ≥ 500V

Applicable field devices:

Applicable field devices: K, S, E, J, B, T, R, N thermocouple sensor

Installation site:

installed in the safe zone, can be connected with the highest in Zone 0, IIC, Zone 20, IIIC hazardous locations of the intrinsically safe instrumentation

Safety certification

Certification body:

National Explosion-proof Electrical Product Quality Supervision and Testing Center CQST

Certification standard:

GB/T 3836.1-2021, GB/T 3836.4-2021

Explosion-proof symbol:

[Exia Ga]ⅡC, [Exia Da]ⅢC

Certified parameters (between terminals 1-2):

Um: 250V AC/DC, Uo=8.4V DC, Io=31mA,
Po=65.1W, Co=4.8μF, Lo=20mH.