022-27698160
sales@tjql.com.cn
022-27698160
sales@tjql.com.cn
PR 7501 temperature transmitter
RTD, TC, Ohm, and bipolar mV input and analog output
High definition local operator interface (LOI) with 3 optical buttons
Selectable red or white backlight
Ex d explosion proof / flame proof in aluminum or 316 stainless steel version
HART 7 functionality with HART 5 compatibility
Environmental Conditions
| Operating temperature | -40°C to +85°C (with silicone O-ring) -20°C to +85°C (with FKM O-ring) |
| Storage temperature | -40°C to +85°C |
| Calibration temperature | 20…28°C |
| Relative humidity | 0…100% RH (condensing) |
| Protection degree | IP54 / IP66 / IP68 / type 4X |
| Corrosion class 7501AxxxBxxxx / durability | C5-I/M / 5…15 years |
Mechanical specifications
| Dimensions | Ø 110 mm |
| Dimensions (HxWxD), aluminum | 109.3 x 145 x 126 mm |
| Dimensions (HxWxD), stainless steel | 107.4 x 145 x 124 mm |
| Weight approx., aluminum / stainless steel | 1.3 / 2.8 kg |
| Wire size | 0.13 x1.5 mm2 / AWG 26…16 stranded wire |
| Screw terminal torque | 0.4 Nm |
| Vibration | IEC 60068-2-6 |
| 2…25 Hz | ±1.6 mm |
| 25…100 Hz | ±4 g |
| Display resolution | 96 x 64 pixels |
| Number of digits | 5 |
| Backlight | Selectable ON/OFF |
| Backlight color | Selectable white or red |
Common specifications
Supply |
|
| Supply voltage, DC: Ex ia, intrinsically safe | 10 (12 – with backlight)…30 VDC |
| Supply voltage, DC: Other | 10 (12 – with backlight)…35 VDC |
Isolation voltage |
|
| Isolation voltage, test / working | 1.5 kVAC / 50 VAC |
Response time |
|
| Response time (programmable) | 1…60 s |
| Signal / noise ratio | > 60 dB |
| Programming | HART |
| Start-up time, transmitter to display | Max. 5 s |
| Long-term stability, better than | ±0.1% of span / year |
| Accuracy | Better than 0.05% of selected range |
| Signal dynamics, input | 22 bit |
| Signal dynamics, output | 16 bit |
| EMC immunity influence | < ±0.1% of span |
| Extended EMC immunity: NAMUR NE21, A criterion, burst | < ±1% of span |
Input specifications
|
Common input specifications |
|
|
Max. offset |
50% of selected max. value |
|
RTD input |
|
|
RTD type |
Pt50/100/200/500/1000; Ni50/100/120/1000 |
|
Cable resistance per wire |
5 Ω (up to 50 Ω per wire is possible with reduced measurement accuracy) |
|
Sensor current |
Nom. 0.2 mA |
|
Linear resistance input |
|
|
Linear resistance min….max. |
0 Ω…7000 Ω |
|
TC input |
|
|
Thermocouple type |
B, E, J, K, L, N, R, S, T, U, W3, W5, LR |
|
Cold junction compensation (CJC) |
Constant, internal or external via a Pt100 or Ni100 sensor |
|
Voltage input |
|
|
Measurement range |
-800…+800 mV |
|
Min. measurement range (span) |
2.5 mV |
|
Input resistance |
10 MΩ |
Output specifications
|
Current output |
|
|
Signal range |
4…20 mA |
|
Min. signal range |
16 mA |
|
Load (@ current output) |
≤ (Vsupply – 10) / 0.023 [Ω] |
|
Load resistance, with backlight |
≤ (Vsupply – 12) / 0.023 [Ω] |
|
Sensor error indication |
Programmable 3.5…23 mA |
|
NAMUR NE43 Upscale/Downscale |
23 mA / 3.5 mA |
|
Common output specifications |
|
|
Updating time |
440 ms |
|
HART protocol revisions |
HART 7 and HART 5 |
